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basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol47 standard basic switch cut-a-way the cut-a-way shown is representative of the standard basic switches described in this catalog. general information micro switch standard basic switches are precision snap-action mechanisms enclosed in accurately molded plastic cases. these switches are carefully man- ufactured and thoroughly inspected. they are industry known for their com- pactness, light weight, accurate repeata- bility and long life. the type bz switch design meets most applications needs. modifications of the standard silver contact design and mate- rial, spring configuration, and plunger lo- cations give the type bm, ba and be switches greater electrical load handling capacity. other changes in materials and switch design provide operating charac- teristics, temperature tolerances, and sealing to cover a wide range of special requirements. features 1 operating force as low as 4 oz. (113 grams) maximum 1 sensitive differential travel as low as .0002 to .0003 inches (0,005 to 0,008 mm) 1 power load switching capability to 25 amperes 1 motor handling capacity to 2 horse- power at 250 vac 1 long mechanical life 1 high temperature constructions for up to + 400 f (204 c) 1 momentary or maintained contact action 1 alloy contacts available for special ap- plication needs 1 variety of integral actuators 1 variety of auxiliary actuators 1 variety of terminal designs 1 optional sealed plunger and cover 1 stainless steel snap spring available 1 military standard construction availa- ble with over 50 listings on the mil- s-8805 qualified products list 1 ul recognized, csa certified characteristics as stated are taken at nor- mal room temperature and humidity. these may vary as temperature and hu- midity conditions differ. mounting dimensions mounting dimensions are included at the end of each product section. they are shown in english and metric equivalents. these dimensions are for reference only. for exacting layout work, request an engi- neering layout work, request an engineer- ing drawing from the 800 number. mounting holes for types bz, bm, ba, be, dt, mt, and 6as switches accept pins or screws of .139 inch (3,53 mm) diameter. recommended torque (max.) mounting screws ............3 in./lbs.* terminal screws ..............4 in./lbs. panel mount bushing .......4-6 in./lbs. * note: tightening mounting screws above 3 in./lbs. changes operat- ing characteristics and increases the possibility of cracking the case. general switch identification first letter in catalog listing designates: b = single-pole double-throw w = single-pole single-throw (normally closed) y = single-pole single-throw (normally open) second letter in catalog listing designates: z = standard 15-amp version m = 22-amp version a = standard 20-amp version e = 25-amp version this section covers only over 100 of our most popular bz/ba type series catalog listings. if you don't find what you're looking for, it's likely one of the approximately 1800 other active listings will meet your needs. con- tact the 800 number. ul/csa our basic switches are component recognized by underwriters' laboratories, inc. and certified by canadian standards associ- ation. the ba, bz, and bm line is covered as special use switches to ul standard 1054; the be line is covered as an industrial motor controller to ul standard 508. agency file references are: ba ul file e12252, issued 12-09-88 bm ul file e12252, issued 12-08-88 bz ul file e12252, issued 6-29-89 be-1,2,5 ul file e22779, vol. 4, sec. 1 be-r ul file e22779, vol. 4, sec. 2 standard basic switches
basic switches bz/ba series standard 48 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. available terminals most of the bz/ba catalog listings have a2 type terminals. several other terminal styles are shown and others are available. specific information should be requested from the 800 number or local authorized distributor. solder (no suffix) use up to #14 wire a2 bottom facing 6-32 nc .218 n screw with cup washers a4 (same as a2 except #8 screws) t bottom facing 6-32 nc .218 n screw with sems lockwashers d5 .250 n (6,35 mm) wide .030 n (7,62) thick quick-connect d6 .250 n (6,35 mm) wide .032 n (0,81 mm) thick quick-connect p4 side facing 8-32 .218 n screw with cup washers pc2 self lifting pressure plate terminals and plastic barriers for added dielectric protection actuators ba, be, bm and bz standard basic switches use the actuators described. pin plunger; in-line motion overtravel plunger; in-line applications requiring additional overtravel added overtravel in a panel mount roller plunger; actuation by cams leaf; low-force, slow moving cams or slides roller lever; very low force, fast moving cams roller leaf; low-force, large movement actuation lever; very low force, slow cams and slides added overtravel in a panel-mount plunger; heavy-duty in-line applications or slow cams. cam rise should not exceed 30
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol49 characteristics: o.f. e operating force; r.f. e release force; p.t. e pretravel; o.t. e overtravel; d.t. e differential travel; o.p. e operating position. pin plunger order guide by ascending electrical capability electrical data and o.f. r.f. min. p.t. max. o.t. min. d.t. o.p.** catalog ul codes newtons newtons mm mm mm mm listing recommended for page 46 ounces ounces inches inches inches inches bz-2r72-a2 applications requiring gold alloy contacts 1 amp 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 p 9-13 4 .015 .005 .0004-.0020 .625 bz-2r725551-a2 gold alloy contacts dustproof and splash resistant seal 1 amp 2,22-4,17 1,11 e 0,13 0,01-0,06 15,88 p 8-15 4 e .005 .0004-.0025 .625 bz-2r244-a2 operating in temp. to + 400 f (204 c) for 100 hours 5 amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 b 9-13 4 .015 .005 .0004-.0020 .625 bz-r21-a2 lower force 10 amps 1,11 0,7 0,30 0,13 0,005-0,013 15,88 c 4 2.5 .012 .005 .0002-.0005 .625 bz-2r-a2 most applications spdt 15 amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 a 9-13 4 .015 .005 .0004-.0020 .625 wz-2r-a2 spst (normally closed) 15 amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 a 9-13 4 .015 .005 .0004-.0020 .625 yz-2r-a2 spst (normally open) 15 amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 a 9-13 4 .015 .005 .0004-.0020 .625 bz-r-a2 less differential travel 15 amps 1,95-2,5 1,11 0,30 0,13 0,005-0,008 15,88 d 7-9 4 .012 .005 .0002-.0003 .625 bz-r19-a2 best repeatability 15 amps 1,95-3,34 1,11 0,30 0,13-0,2 0,005-0,02 16,26 d 7-12 4 .012 .005-.008 .0002-.0008 .640 bz-2r24-a2 operating in temp. to + 250 f (121 c) 15 amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 a 9-13 4 .015 .005 .0004-.0020 .625 bz-2rt04 (8805/1-004) mil-s-8805 application requirements 15 amps 2,5-3,61 1,67 0,38 0,13 0,01-0,05 15,88 a 9-13 6 .015 .005 .0004-.0020 .625 bz-2r05-a2 best stability under varying humidity 15 amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 a 9-13 4 .015 .005 .0004-.0020 .625 bz-2r5551-a2 dustproof and splash resistant seal 15 amp 2,5-4,17 1,11 e 0,13 0,01-0,06 15,88 a 9-15 4 e .005 .0004-.0025 .625 bz-2r55-a2-s best service for sealed construction. stainless steel internal snap spring. 15 amps 2,5-4,17 1,11 e 0,13 0,01-0,06 15,88 a 9-15 4 e .005 .0004-.0025 .625 ba-2r-a2 up to 20 ampere load handling 20 amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26 g 14-22 10 .050 .010 .0020-.0075 .640 ba-2r24-a2 operating in temperature to + 250 f (121 c) 20 amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26 g 14-22 10 .050 .010 .0020-.0075 .640 bm-1r-a2 up to 22 ampere load handling 22 amps 1,95-2,78 1,11 0,38 0,13 0,013-0,025 15,88 f 7-10 4 .015 .005 .0005-.0010 .625 be-2r-a4 up to 25 ampere load handling 25 amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26 h 14-22 10 .050 .010 .0020-.0075 .640 bz/ba type dim. dwg. fig. 1 sealed type dim. dwg. fig. 2 ba/be type dim. dwg. fig. 3 bz-rx manual reset (maintained contact) applications, solder terminals 15 amps 1,95-2,5 e 0,30 0,13 e 15,88 e 7-9 e .012 .005 e .625 0,56-2,78* e e 0,38* 2-10 e e .015 wa-1rx-a4 manual reset spst- nc, a4 terminals 20 amps 5,56 e e 0,25 0,20 16,26 w 20 e e .010 .008 .64 6,95* e e e e 27,9* 25 e e e e 1.10 dim. dwg. fig. 4 * reset characteristics. except where stated ** 0,38mm .015 in. all catalog listings shown are not necessarily stock items. stocking depends on sales experience. auxiliary actuators see p. 62-63. standard basic switches
basic switches bz/ba series standard 50 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. characteristics: o.f. e operating force; r.f. e release force; p.t. e pretravel; o.t. e overtravel; d.t. e differential travel; o.p. e operating position. overtravel plunger order guide electrical data and o.f. r.f. min. p.t. max. o.t. min. d.t. o.p.* ul codes newtons newtons mm mm mm mm catalog listing recommended for page 46 ounces ounces inches inches inches inches bz-2rd72-a2 applications requiring gold alloy contacts 1 amp p 2,5-3,61 9-13 1,11 4 0,38 .015 1,52 .060 0,01-0,05 .0004- .0020 21,21 .835 dim. dwg. fig. 11 bz-2rd-a2 added overtravel. for manual operation and slow 20 (max) cam rise 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 1,52 .060 0,01-0,05 .0004- .0020 21,21 .835 bz-2rd24-a2 operating in temperature to + 250 f (121 c) 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 1,52 .060 0,01-0,05 .0004- .0020 21,21 .835 bm-1rd-a2 up to 22 ampere load handling 22 amps f 1,95-2,78 7-10 1,11 4 0,38 .015 1,52 .060 0,013-0,025 .0005- .0010 21,21 .835 bz-2rds725551-a2 applications requiring gold alloy contacts plus dustproof and splash resistant seal 1 amp p 3,61-5,28 13-19 1,11 4e 1,52 .060 0,01-0,063 .0004- .0025 28,20 1.110 bz-2rds5551-a2 dustproof and splash resistant seal 15 amps a 3,61-5,28 13-19 1,11 4e 1,52 .060 0,01-0,063 .0004- .0025 28,20 1.110 dim. dwg. fig. 12 ba-2rb-a2 up to 20 ampere load handling 20 amps g 3,89-6,12 14-22 2,78 10 1,27 .050 2,39 .094 0,05-0,19 .0020- .0075 26,20 1.03 be-2rb-a4 up to 25 ampere load handling 25 amps h 3,89-6,12 14-22 2,78 10 1,27 .050 2,39 .094 0,05-0,19 .0020- .0075 26,20 1.03 dim. dwg. fig. 13 bz-2rs72-a2 applications requiring gold alloy contacts 1 amp p 2,5-3,61 9-13 1,11 4 0,38 .015 1,52 .060 0,01-0,05 .0004- .0020 28,20 1.110 bz-2rs-a2 added overtravel. for in-line operation and with jr auxiliary actuators 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 1,52 .060 0,01-0,063 .0004- .0025 28,20 1.110 bz-2rs24-a2 operating in temperature to + 250 f (121 c) 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 1,52 .060 0,01-0,05 .0004- .0020 28,20 1.110 bz-2rst04 mil-s-8805 application requirements 15 amps a 2,5-3,61 9-13 1,67 6 0,38 .015 1,52 .060 0,01-0,05 .0004- .0020 28,20 1.110 (m8805/1-012) dim. dwg. fig. 14 bz-rsx manual reset solder terminals 15 amps e 1,95-2,64 7-9 e e 0,30 .012 0,64 .025 e e 2,79 1.11 bm-1rs-a2 up to 22 ampere load handling 22 amps f 1,95-2,78 7-10 1,11 4 0,38 .015 1,52 .060 0,013-0,025 .0005- .0010 28,20 1.110 bz-2rs7225551-a2 applications requiring gold alloy contacts plus dustproof and splash resistant seal 1 amp p 2,5-4,17 9-15 1,11 4e 1,52 .060 0,01-0,063 .0004- .0025 28,20 1.110 bz-2rs5551-a2 dustproof and splash resistant seal 15 amps a 2,5-4,17 9-15 1,11 4e 1,52 .060 0,01-0,063 .0004- .0025 28,20 1.110 dim. dwg. fig. 15 * 0,51 mm .020 in.
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol51 overtravel plunger order guide electrical data and o.f. r.f. min. p.t. max. o.t. min. d.t. o.p.** ul codes newtons newtons mm mm mm mm catalog listing recommended for page 46 ounces ounces inches inches inches inches bz-2rq-a2 added overtravel. for manual in-line operation and for slow 30 (max) rise cams 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 5,56 .219 0,01-0,05 .0004- .0020 38,10 0,51 1.500 .020 bz-2rq24-a2 operating in temperature to 250 f (121 c) 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 5,56 .219 0,01-0,05 .0004- .0020 38,10 0,51 1.500 .020 dim. dwg. fig. 16 bz-2rq172-a2 applications requiring gold alloy contacts 1 amp p 2,5-3,61 9-13 1,11 4 0,38 .015 5,56 .219 0,01-0,05 .0004- .0020 21,82 .859 bz-2rq1-a2 bz-2rq-a2 type applications with panel mount 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 5,56 .219 0,01-0,05 .0004- .0020 21,82 .859 bz-2rq1t04 mil-s-8805 application requirements 15 amps a 2,5-3,61 9-13 1,67 6 0,38 .015 5,56 .219 0,01-0,05 .0004- .0020 21,82 .859 (m8805/1-020) bz-2rq124-a2 operating in temperature to 250 f (121 c) 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 5,56 .219 0,01-0,05 .0004- .0020 21,82 .859 bz/bm type dim. dwg. fig. 17 bz-2rn702 furnished with unassembled seal boot. 15 amps x 2,5-3,61 9-13 1,11 4 0,38 0.15 3,18 .125 0,01-0,05 .0004- .0020 48,4 0,50 1.906 .020 bz-rq1x manual reset. solder terminals 15 amps e 1,67-2,64 6-9.5 0,30 0.12 5,56 .219 23,42 1,14 .922 .045 7,14* .281* ba-2rq1-a2 up to 20 ampere load handling 20 amps g 3,89-6,12 14-22 2,78 10 1,27 .050 5,56 .219 0,05-0,19 .0020- .0075 21,82 .859 bm-1rq1-a2 up to 22 ampere load handling 22 amps f 1,95-2,78 7-10 1,11 4 0,38 .015 5,56 .219 0,013- 0,025 .0005- .0010 21,82 .859 ba type dim. dwg. fig. 18 bz-2rq1872-a2 applications requiring gold alloy contacts 1 amp p 2,5-3,61 9-13 1,11 4 0,38 .015 3,56 .140 0,01-0,05 .0004- .0020 33,32 1,14 1.312 .045 bz-2rq18-a2 added overtravel. roller plunger for rapid cam (30 max) rise and slide operation. panel mount 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 3,56 .140 0,01-0,05 .0004- .0020 33,32 1,14 1.312 .045 bz-2rq1824-a2 operating in temperature to 250 f) (121 c) 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 3,56 .140 0,01-0,05 .0004- .0020 33,32 1,14 1.312 .045 bz-2aq18t1 double-break circuitry 15 amps t 3,89-6,68 14-24 1,11 4 0,51 .020 3,58 .141 0,03-0,10 .001-.004 33,35 1,19 1.313 .047 bm-1rq18-a2 up to 22 ampere load handling 22 amps f 1,95-2,78 7-10 1,11 4 0,38 .015 3,56 .140 0,013- 0,025 .0005- .0010 33,32 1,14 1.312 .045 dim. dwg. fig. 19 bz-2rq181-a2 applications requiring roller plunger 90 to major axis of switch 15 amps a 2,5-3,61 9-13 1,11 4 0,38 .015 3,56 .140 0,01-0,05 .0004- .0020 33,32 1,14 1.312 .045 * reset characteristics. except where stated ** 0,76 mm .030 in. dim. dwg. fig. 20 standard basic switches
basic switches bz/ba series standard 52 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. characteristics: o.f. e operating force; r.f. e release force; p.t. e pretravel; o.t. e overtravel; d.t. e differential travel; o.p. e operating position. straight lever order guide electrical data and o.f. max. r.f. min. p.t. max. o.t. min. d.t. o.p.** recommended ul codes newtons newtons mm mm mm mm catalog listing for page 46 ounces ounces inches inches inches inches bz-2rw8072-a2 applications requiring gold alloy contacts 1 amp p 0,7 2.5 0,14 0.5 e 5,56 .219 0,18-1,27 .007-.050 19,1 .750 bz-2rw80722555105-a2 best stability under varying humidity. gold alloy contacts with seal 1 amp p 0,7 2.5 0,14 0.5 e 5,56 .219 0,18-1,27 .007-.050 19,1 .750 bz-2rw8244-a2 operating in temp. to + 400 f (204 c) for 100 hours 5 amps b 0,7 2.5 0,14 0.5 e 5,56 .219 0,18-1,27 .007-.050 19,1 .750 bz-rw8435-a2 lowest operating force (without external return spring) 10 amps i 0,07 .25 e 6,76 .266 5,56 .219 0,08-0,38 .003-.015 19,1 .750 bz-2rw876t 1.25 inch lever requirements 15 amps a 1,67 6 0,42 1.5 e 0,42 .141 0,10-0,63 .004-.025 19,1 .750 bz-2rw80-a2 2.5 inch lever requirements 15 amps a 0,7 2.5 0,14 0.5 e 5,56 .219 0,18-1,27 .007-.050 19,1 .750 bz-2rw84-a2 lower force (without external return spring) 15 amps a 0,28 1 0,03 0.125 8,33 .328 5,56 .219 0,18-1,27 .007-.050 19,1 .750 bz-2rw805551-a2 dustproof and splash resistant seal 15 amps a 0,7 2.5 0,14 0.5 e 5,56 .219 0,18 - 1,27 .007-.050 19,1 .750 bz-2rwt04 mil-s-8805 application requirements 15 amps a 0,28-0,90 1-3.25 0,21 0.75 7,52 .296 4,37 .172 2,36 .093 19,1 .750 (m8805/1-044) bz-2rw824-a2 operating in temperature to + 250 f (121 c) 15 amps a 0,7 2.5 0,14 0.5 e 5,56 .219 0,18-1,27 .007-.050 19,1 .750 bz-rw80x manual reset solder terminals 15 amps e 0,63 2.25 e e e e 5,56 .219 e e 19,05 .750 0,38* 7,14* .015 .281 bz-2rw863-a2 6 inch lever requirements 15 amps a 0,28 1ee 12,7 .500 0,46-3,68 .018-.145 19,1 1,52 .750 .060 ba-2rv-a2 up to 20 ampere load handling 20 amps g 0,7 2.5 0,14 0.5 15,88 .625 1,98 .078 2,77 .109 19,1 .750 bm-1rw84-a2 up to 22 ampere load handling 22 amps f 0,28 1 0,03 0.125 7,54 .297 5,56 .219 0,13-0,84 .005-.033 19,1 .750 be-2rv-a4 up to 25 ampere load handling 25 amps h 0,7 2.5 0,14 0.5 15,88 .625 1,98 .078 2,77 .109 max. 19,1 .750 * reset characteristics. BZ-2RW899-A2 adjustable operating point (17 mm to 22 mm) .670 n to .880 n 15 amps a 0.7 2.5 0.14 0.5 e 3,54 2 .125 0,18-1,27 .007-.050 17,02-22,35 .670-.880 bz-2rm-a2 reverse acting actuator (switch plunger depressed in free position) 15 amps a 1,67 6 0,28 1 5,56 .219 5,56 .219 0,10-0,89 .004-.035 19,1 .750 17 mm 2 from o.p. .670 in. except where stated ** 0.76 mm .030 in. bz/bm type dim. dwg. fig. 21 ba type dim. dwg. fg. 23 adjustable dim. dwg. fg. 22 dim. dwg. fig. 24
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol53 simulated roller order guide electrical o.f. r.f. p.t. o.t. data and max. min. max. min. d.t. o.p.** catalog ul code newtons newtons mm mm mm mm listing recommended for page 46 ounces ounces inches inches inches inches bz-2rw80147-a2 1.05 inch (26,7 mm) (simulated roller) lever applications 15 amps 1,67 0,42 2,39 0,08-0,51 30,17 a 6 1.5 e .094 .003-.020 1.188 bz-2rw80196-a2 1.90 inch (48,3 mm) (simulated roller) lever applications 15 amps 0,97 0,21 3,96 0,10-1,0 30,17 0,76 a 3.5 0.75 e .156 .004-.040 1.188 .030 dim. dwg. fig. 27 roller lever bz-2rw82272-a2 applications requiring gold alloy contacts 1 amp 1,67 0,42 2,39 0,08-0,51 30,17 p 6 1.5 e .094 .003-.020 1.188 bz-2rw822725551-a2 applications requiring gold alloy contacts plus dustproof and splash resistant seal 1 amp 1,67 0,42 2,39 0,08-0,51 30,17 p 6 1.5 e .094 .003-.020 1.188 bz-2rw822-a2 1.05 inch (26,7 mm) (steel roller) lever applications 15 amps 1,67 0,42 2,39 0,08-0,51 30,17 a 6 1.5 e .094 .003-.020 1.188 bz-2rw8222-a2 roller turned 90 15 amps 0,7-1,81 0,35 3,58 0,08-0,51 30,75 a 2.5-6.5 1.25 e .141 max. .003-.020 1.25 bz-2rw82224-a2 operating in temperature to + 250 f (121 c) 15 amps 1,67 0,42 2,39 0,08-0,51 30,17 a 6 1.5 e .094 .003-.020 1.188 bz-2rw8225551-a2 dustproof and splash resistant seal 15 amps 1,67 0,42 2,39 0,08-0,51 30,17 a 6 1.5 e .094 .003-.020 1.188 bz-2rw82255-a2-s best service for sealed construction. stainless steel internal snap spring. 15 amps 1,67 0,42 2,39 0,08-0,51 30,17 a 6 1.5 e .094 .003-.020 1.188 ba-2rv22-a2 up to 20 ampere load handling 20 amps 1,67 0,42 6,35 0,76 1,14 29,77 g 6 1.5 .250 .030 .045 max. 1.172 bm-1rw822-a2 up to 22 ampere load handling 22 amps 1,67 0,42 2,39 0,025-0,33 30,17 f 6 1.5 e .094 .001-.013 1.188 be-2rv22-a4 up to 25 ampere load handling 25 amps 1,67 0,42 6,35 0,76 1,14 29,77 h 6 1.5 .250 .030 .045 max. 1.172 bz/bm type dim. dwg. fig. 25 dim. dwg. fig. 28 bz-2rw82299-a2 adjustable operating point. roller lever 1.05 inch (26,7 mm) 15 amps 1,67 0,42 1,02 0,08-0,51 29,77-30,56 a 6 1.5 e .040 .003-.020 1.172-1.203 bz-2rw8299-a2 adjustable operating point. roller lever 1.90 inch (48,3 mm) 15 amps 0,97 0,21 2,16 0,10-1,0 29,2-31,5 a 3.5 0.75 e .085 .004-.040 1.150-1.24 ba/be type dim. dwg. fig. 26 except where stated * 0,38 mm .015 in. standard basic switches
basic switches bz/ba series standard 54 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. roller lever order guide characteristics: o.f. e operating force; r.f. e release force; p.t. e pretravel; o.t. e overtravel; d.t. e differential travel; o.p. e operating position. electrical o.f. r.f. p.t. o.t. data and max. min. max. min. d.t. o.p.* catalog recommended ul code newtons newtons mm mm mm mm listing for page 46 ounces ounces inches inches inches inches bz-2rw82725551-a2 applications requiring gold alloy contacts, plus dustproof, and splash resistant seal 1 amp 0,97 0,21 3,96 0,10-1,0 30,17 0,76 p 3.5 0.75 e .156 .004-.040 1.188 .030 bz-2rw82-a2 1.90 inch (48,3 mm) (steel roller) lever applications 15 amps 0,97 0,21 3,96 0,10-1,0 30,17 0,76 a 3.5 0.75 e .156 .004-.040 1.188 .030 bz-2rw825551-a2 dustproof and splash resistant seal 15 amps 0,97 0,21 3,96 0,10-1,0 30,17 0,76 a 3.5 0.75 e .156 .004-.040 1.188 .030 bz-2rw8224-a2 operating in temperature to + 250 f (121 c) 15 amps 0,97 0,21 3,96 0,10-1,0 30,17 0,76 a 3.5 0.75 e .156 .004-.040 1.188 .030 ba-2rv2-a2 up to 20 ampere load handling 20 amps 0,97 0,14 11,89 1,52 2,16 30,17 0,76 g 3.5 0.5 .468 .060 .085 1.188 .030 bm-1rw82-a2 up to 22 ampere load handling 22 amps 0,97 0,21 3,96 0,08-0,56 30,17 0,76 f 3.5 0.75 e .156 .003-.022 1.188 .030 be-2rv2-a4 up to 25 ampere load handling 25 amps 0,97 0,14 11,89 1,52 2,16 30,17 0,76 h 3.5 0.5 .468 .060 .085 max. 1.188 .030 bz/bm type dim. dwg. fig. 29 ba/be type dim. dwg. fig. 30 note: for adjustable operate point and simulated roller lever switches, refer to previous page. bz-rw922-a2 best repeatability and o.p. stability 10 amps 3,34 1,11 0,38 2,54 0,013-0,025 31,37 i 12 4 .015 .100 .0005-.0010 1.235 dim. dwg. fig. 31 bz-2rw826-a2 one-way roller (9,4 mm h 3,8 mm) .37 n dia. h .15 n wide roller 15 amps 1,67 0,42 2,39 0,08-0,51 41,34 a 6 1.5 e .094 .003-.020 1.625 bz-2rw825-a2 one-way roller (4,83 mm h 4,83 mm) .19 n dia. h .19 n wide roller 15 amps 2,22 0,42 1,52 0,38 28,96 a 8 1.5 e .060 .015 1.14 dim. dwg. fig. 32 except where stated * 0,38 mm .015 in.
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol55 flexible leaf order guide electrical data and o.f. max. r.f. min. p.t. max. o.t. min. d.t. max. o.p.** ul codes newtons newtons mm mm mm mm catalog listing recommended for page 46 ounces ounces inches inches inches inches bz-2rl-a2 force and stability of the flexible leaf actuator 15 amps a 1,39 5 0,14 0.5 1,52 .060 1,27 .050 17,48 .688 bz-2rl5551-a2 dustproof and splash resistant seal 15 amps a 1,95 7 0,14 0.5 1,52 .060 1,27 .050 17,48 .688 bz-2rlt04 mil-s-8805 application requirements 15 amps a 1,39 5 0,14 0.5 1,52 .060 1,27 .050 17,48 .688 (m8805/1-001) bz-2rl24-a2 operating in temperature to + 250 f (121 c) 15 amps a 1,39 5 0,14 0.5 1,52 .060 1,27 .050 17,48 .688 bz-rlx manual reset. solder terminals 15 amps e 0,83 3 1,57 .062 17,48 .688 0,38* 7,14* .015 .281 ba-2rl-a2 up to 20 ampere load handling 20 amps g 2,5 9 0,28 1 1,57 .062 1,57 .062 17,48 .688 be-2rl-a4 up to 25 ampere load handling 25 amps h 2,5 9 0,28 1 1,57 .062 1,57 .062 17,48 .688 bz type dim. dwg. fig. 33 ba/be type dim. dwg. fig. 34 flexible order guide roller leaf electrical data and o.f. max. r.f. min. p.t. max. o.t. min. d.t. max. o.p.* ul codes newtons newtons mm mm mm mm catalog listing recommended for page 46 ounces ounces inches inches inches inches bz-rl24-a2 operating in temp. to + 250 f (121 c) for 100 hours 5 amps b 1,39 5 0,14 0.5 1,52 .060 1,27 .050 28,6 1.125 bz-2rl2-a2 force and stability of the flexible leaf with roller 15 amps a 1,39 5 0,14 0.5 1,52 .060 1,27 .050 28,6 1.125 bz-2rl25551-a2 dustproof and splash resistant seal 15 amps a 1,95 7 0,14 0.5 1,52 .060 1,27 .050 28,6 1.125 bz-2rl2t04 mil-s-8805 application requirements 15 amps a 1,04-1,39 3.75-5 0,14 0.5 1,52 .060 1,27 .050 28,6 1.125 (m8805/1-036) ba-2rl2-a2 up to 20 ampere load handling 20 amps g 2,5 9 0,28 1 1,52 .060 1,65 .065 28,6 1.125 be-2rl2-a4 up to 25 ampere load handling 25 amps h 2,5 9 0,28 1 1,52 .060 1,65 .065 28,6 1.125 * reset characteristics ** 0.76 mm .030 in. bz type dim. dwg. fig. 35 ba/be type dim. dwg. fig. 36 standard basic switches
basic switches bz/ba series standard 56 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. general information special circuitry switches `` special sequence'' switches provide un- usual circuit control. a make-before- break switch provides circuit continuity while switching from n.c. to n.o. in an- other make-before-make switch, upon actuation, one circuit is made an interval before the second circuit. another switch provides a single pulse or momentary closure of the contacts with each cycle of operation. double break versions can interrupt grea- ter inductive loads and feature shorting bar construction. a split contact version allows control of the two isolated circuits. characteristics: o.f. operating force; r.f. release force; p.t. pretravel; o.t. overtravel; d.t. differential travel; o.p. operating position. pin plunger order guide electrical data and o.f. r.f. min. p.t. max. o.t. min. d.t. o.p.* ul codes newtons newtons mm mm mm mm catalog listing recommended for page 46 ounces ounces inches inches inches inches bz-2g-a2 make-before-break contact action 10 amps c 5,56 20 max. 2,22 8 0,76 .030 0,13 .005 0,38 .015 15,9 .625 dim. dwg. fig 5 unoperated intermediate fully intermediate fully operated release released 6bs1-b make-before-make contact action 10 amps r 9,73 35 max. 2,78 10 dim. dwg. fig. 6 * 0,38 mm .015 in. 10bs210 adjustable differential travel 20 amps y 3,10-5,56 11-20 2,78 10 0,25 .010 at max. setting 0,04-0,06 .0015-.0025 0,18 .007 at max. setting 16,3 .64 dim. dwg. fig. 4-a
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol57 pin plunger e special circuitry order guide electrical data and o.f. r.f. min. p.t. max. o.t. min. d.t. o.p.* ul codes newtons newtons mm mm mm mm catalog listing recommended for page 46 ounces ounces inches inches inches inches bz-3at double-break, low voltage dc applications 15 amps t 4,45-7,23 16-26 1,11 4 0,76 .030 0,13 .005 0,051-0,13 .002-.005 15,9 .625 bz-2aw80t as above, with 2.5 inch lever 15 amps t 0,90 3.25 0,14 .25 5,56 .219 0,51 2.54 19,05 0,76 .750 .030 bz-2aw82t as above, with 1.9 inch roller lever 15 amps t 1,25 4.5 0,21 .75 3.96 .156 0,38-1,91 .015-.075 30,18 0,76 1.188 .030 bz-2aw822t as above, with 1.05 inch roller lever 15 amps t 2,36 8.5 0,42 1.5 2,39 .094 0,20-2,39 .008-.030 30,18 0,76 1.188 .030 dim. dwg. fig. 8 ba-3st double-break, low voltage dc applications 25 amps m 7,23-10,6 26-38 2,78 10 1,65 .065 0,25 .010 0,18-0,38 .007-.015 16,3 .640 dim. dwg. fig. 9 bz-3yt (ms25383-1) mil-s-8805 application requirements. (split contact) 5 amps u 4,45-7,23 16-26 1,11 4 0,76 .030 0,13 .005 0,025-0,1 .001-.004 15,9 .625 bz-3ywt80 as above, with 2.50 inch lever 5 amps u 0,97 3.5 0,14 .5 5,56 .219 0,51-2,54 .020-.100 19,05 0,76 .750 .030 bz-3ywt82 as above, with 1.9 inch roller lever 5 amps u 1,25 4.5 0,21 .75 3,96 .156 0,38-1,91 .015-.075 30,18 0,76 1.188 .030 bz-3ywt822 as above, with 1.05 inch roller lever 5 amps u 1,95 7 0,42 1.5 2,39 .094 0,20-1,02 .008-.040 30,19 .188 except where stated * 0,38 mm .015 in. dim. dwg. fig. 10 standard basic switches
basic switches bz/ba series standard 58 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. mounting dimensions (for reference only) pin plungers bz/bm ba/be fig. 1 fig. 2 fig. 3 fig. 4 fig. 4-a pin plungers e special circuitry fig. 5 fig. 6 fig. 7 fig. 8 fig. 9 fig. 10 mounting holes accept pins or screws of .139 n (3,53 mm) diameter.
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol59 mounting dimensions (for reference only) overtravel plungers fig. 11 fig. 12 fig. 13 fig. 14 fig. 15 fig. 16 *fig. 17 *fig. 18 *fig. 19 *fig. 20 * threaded bushings are 15/32-32ns. standard basic switches
basic switches bz/ba series standard 60 honeywellsensingandcontrolforapplicationhelp:call1-800-537-6945. mounting dimensions (for reference only) straight levers fig. 21 fig. 22 fig. 23 fig. 24 fig. 25 fig. 26 flexible leaf actuator fig. 33 fig. 34
basic switches bz/ba series standard forapplicationhelp:call1-800-537-6945.honeywellsensingandcontrol61 mounting dimensions roller levers fig. 27 fig. 28 fig. 29 fig. 30 fig. 31 fig. 32 flexible roller leaf fig. 35 fig. 36 mounting holes accept pins or screws of .139 n (3,53 mm) diameter. standard basic switches

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