general data life expectancy minimum operations mechanical 3 x 10 7 electrical 1 x 10 5 at 8 a 240 vac res. operate time (typical) 7 ms at nominal coil voltage release time (typical) 3 ms at nominal coil voltage (with no coil suppression) dielectric strength 5000 vrms coil to contact (at sea level for 1 min.) 2500 vrms between contact sets 1000 vrms between open contacts insulation 10 5 megohms min. at 500 vdc, resistance 20c, 50% rh insulation b250 at 2 form c, unsealed (according to c250 at other relay versions din vde 0110, overvoltage category: iii iec 60664-1) pollution degree: 3 nominal voltage: 250 vac dropout greater than 10% of nominal coil voltage ambient temperature at nominal coil voltage operating -40c (-40f) to 85c (185f) storage -40c (-40f) to 85c (185f) vibration break contacts: 5 g at 20?500 hz make contacts: 20 g at 30?500 hz shock 20 g enclosure p.b.t. polyester, ul-94 : v0 terminals tinned copper alloy, p.c. max. solder temp. 270c (518f) max. solder time 5 seconds max. solvent temp. 80c (176f) max. immersion time 30 seconds weight 14 grams ze t t l e r e l e c t r on i cs telephone +44 (0) 1582 599 600 fax +44 (0) 1582 599 700 logistic design (uk) limited. unit 3, eagle centre way, luton lu4 9us www.zettlerrelay.com sales@zettlerrelay.com 2001-02-02 az742 8 a dpdt miniature power relay features ? dielectric strength 5000 vrms ? low height: 15.7 mm ? epoxy sealed version available ? 8 amp switching ? double pole contacts ? isolation spacing greater than 10 mm ? proof tracking index (pti/cti) 250 ? surpasses requirements of vde 0631/0700 ? ul, cur file e43203; vde 119918 contacts arrangement dpdt (2 form c) dpst (2 form a) ratings resistive load: max. switched power: 2 x 240 w or 2000 va max. switched current: 2 x 8 a max. switched voltage: 300* vdc or 400 vac *note: if switching voltage is greater than 30 vdc, special precautions must be taken. please contact the factory. rated load ul, cur 8 a at 250 vac general use vde 8 a at 250 vac material silver nickel or silver nickel gold plated resistance < 100 milliohms initially coil power at pickup voltage 200 mw (typical) max. continuous 2.4 w at 20c (68f) ambient dissipation 2.1 w at 40c (81f) ambient temperature rise 14c (25f) at nominal coil voltage max. temperature 115c (239f) notes 1. all values at 20c (68f). 2. relay may pull in with less than ?must operate? value. 3. specifications subject to change without notice.
relay ordering data coil specifications - dc coil order number* nominal coil must operate max. continuous coil resistance 2 form a 2 form c vdc vdc vdc ohm, 10% 3 2.1 7.6 22 az742?2a?3d az742?2c?3d 5 3.5 12.7 60 az742?2a?5d az742?2c?5d 6 4.2 15.3 90 az742?2a?6d az742?2c?6d 9 6.3 22.9 200 az742?2a?9d az742?2c?9d 12 8.4 30.6 360 az742?2a?12d az742?2c?12d 18 12.6 45.9 710 az742?2a?18d az742?2c?18d 24 16.8 61.2 1,440 az742?2a?24d az742?2c?24d 36 25.2 92.0 3,140 az742?2a?36d az742?2c?36d 48 33.6 122.0 5,700 az742?2a?48d az742?2c?48d 60 42.0 153.0 7,500 az742?2a?60d az742?2c?60d 110 77.0 280.0 25,200 az742?2a?110d az742?2c?110d * add suffix ?e? for sealed version. ?2c? : 2 form c, contact material agni; ?2a? : 2 form a, contact material agni; ?2cg? : 2 form c, contact material agni gold plated; ?2ag? : 2 form a, contact material agni gold plated. 2001-02-02 ze t t l e r e l e c t r on i cs telephone +44 (0) 1582 599 600 fax +44 (0) 1582 599 700 logistic design (uk) limited. unit 3, eagle centre way, luton lu4 9us www.zettlerrelay.com sales@zettlerrelay.com az742 mechanical data [2.5] .098 [5.0] .197 [5.0] .197 viewed towards terminals pc board layout .591 [15.0] [5.0] .197 .197 [5.0] [15.0] [15.7] .618 [3.9] .154 [0.9] 6x .035 8x ?.050 [?1.3] 6x .020 [0.5] .295 [7.5] [2.5] .098 .591 5 [12.7] 0.500 [7.5] .295 [7.5] .295 [29.0] 1.142 [?0.6] 2x ?.024 wiring diagrams viewed towards terminals 1 2 7 4 6 3 8 m ax. max. max. * * * not used on 2 form a relay 2 form c 5 1 2 7 4 8 2 form a dimensions in inches with metric equivalents in parentheses. tolerance: .010" hardware for p.c.b. mount: socket ec50 retaining clip mp16 / mh16 for din rail mount: socket es50 retaining clip ms16
az742 ze t t l e r e l e c t r on i cs telephone +44 (0) 1582 599 600 fax +44 (0) 1582 599 700 logistic design (uk) limited. unit 3, eagle centre way, luton lu4 9us www.zettlerrelay.com sales@zettlerrelay.com 2001-02-02 ambient temperature [c] b a u b /u n 0 i n =12 a 10 20 30 40 50 60 70 80 90 100 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 2,4 2,6 2,8 3,0 1 2 3 a - cold coil (t coil = t ambient ) b - hot coil (1,1 x u n ), contact load = i n 1 - no load on contacts 2 - half of rated load on contacts 3 - rated load on contacts coil operating range breaking capacity [kva] 0 0,4 0,8 1,2 1,6 2,0 number of cycle s 10 4 10 5 10 6 10 7 2,4 2,8 3,0 electrical life at 250 vac, resistive load ambient temperature [?c] b a u b /u n 0 i n = 8 a 10 20 30 40 50 60 70 80 90 100 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 2,4 2,6 2,8 3,0 1 2 3 a - c old coil (t coil = t ambient ) b - hot coil (1,1 x u n ), contact load = i n 1 - no load on contacts 2 - half of rated load on contacts 3 - ra te d loa d on c onta c ts coil operating range breaking capacity [kva] 0 0,4 0,8 1,2 1,6 2,0 number of cycle s 10 4 10 5 10 6 10 7 electrical life at 250 vac, resistive load dc voltage [v] dc current [a ] 10 20 30 40 50 100 200 300 0,1 0,5 1 2 5 8 10 50 max. dc resistive load breaking capacity power factor reduction facto r 1,0 0,9 0,70,8 0,2 0,9 1,0 0,8 0,3 cos ? f 0,3 0,40,50,6 0,4 0,5 0,6 0,7 n cos ? = n x f electrical life reduction factor at inductive ac load
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