16 series 30 and 35 amp power relay features n 30 amps switching on all contacts thru a dpdt configuration (25 amps in europe) n coil molded in dupont rynite , providing class f temperature insulation n low cost alternative to small contactors contact data configuration: thru dpdt, including spst-no-dm, spst-nc-db and dmdb materials: all contacts 1/4" silver cadmium oxide contact ratings model pole ul config. ratings 30 amp at 300vac spst-no 15 amp at 600vac spst-nc 25 amp at 28vdc spdt 1 hp at 120vac dpst-no 2 hp at 240/277vac dpst-nc 3 hp at 480vac dpdt 17 fla, 60 lra at 300vac dmdb 25 fla, 125 lra at 240/277 vac heavy pilot duty, 600vac 20 amp at 277vac ballast 20 amp at 480vac ballast 270/275 35 amp at 300vac 15 amp at 600vac 35 amp at 28vdc 5 amp at 125vdc spst-no-dm 1 hp at 120vac spst-nc-db 2 hp at 240/277vac 3 hp at 480vac 17 fla, 60 lra at 300vac 25 fla, 125 lra at 240/277 vac heavy pilot duty, 600vac 20 amp at 277vac ballast 20 amp at 480vac ballast semko ratings spst-no spst-nc spdt 25 amp at 250vac, 50 hz ac-1 275f dpst-no 25 amp at 28vdc dc-1 275p dpst-nc 12 amp at 240vac 50 hz ac-3 275t dpdt dmdb 35 amp at 250vac 50 hz ac-1 spst-no-dm 35 amp at 28vdc dc-1 spst-nc-db 12 amp at 240vac 50 hz ac-3 ul recognized file no.: e37066 us and canadian recognition semko certificate no.: 9648100/01* model 275 f,p, t models 270s: open frame w/stud & locator tab 275f: flange cover 275t: top mount cover other suffixes available b-bracket provided, l-tap & locator, p-printed circuit pins coil data resistance nominal nominal in ohms coil voltage 10% power 6vac 3.5 12vac 14 24vac 56 2.4va ac coils 48vac 230 120vac 1500 240vac 6000 6vdc 20 12vdc 80 dc coils 24vdc 315 1.8w 48vdc 1300 110vdc 6800 coil voltages: usa/canada european ac: up to 277 volts/60 hz up to 250 volts 50/60 hz dc: up to 125 volts up to 125 volts coil treatment: molded rynite std. class f insulation resistance: 100 megohms minimum ul insulation system file no.: e74443 s155d 155? total temperature std. (covers s105 class a and s130d class b requirements) operate data pick up (at 25?): ac volts 85% or less of nominal dc volts 75% or less of nominal operate time: approx. 15 milliseconds release time: approx. 15 milliseconds environmental data operating ambient: ac: -45 to 75? dc: -45 to 80? coil temperature rise: (25? ambient ?continuous duty) ac: 45? approx. @ 60 hz ?use at 50 hz will cause slight increase in coil rise dc: 40? approx. expected life electrical at rated load (minimum) 100,000 operations mechanical life 10,000,000 operations dielectric strength 1200 vrms, 60 hz between contacts 2200 vrms, 60 hz between other elements mechanical data terminals: all versions (except p suffix) .250" x .032" quick connect/solder p suffix version printed circuit pins cover: clear polycarbonate - flammability rating 94v2 weight: approx. 3 oz. (85 g) 275f 270 * double pole units may require 150? load wire for some applications. model 275 f, p, t 270 & 275
17 dimensions [unit inch (mm)] schematics 30 amp part numbers ac coils dc coils model pole 24vac 120vac 240vac 12vdc 24vdc 110vdc config. spst-no 20837-82 20837-84 20837-85 20845-81 20845-82 20845-84 spst-nc 20838-82 20838-84 20838-85 20846-81 20846-82 20846-84 275f spdt 20839-82 20839-84 20839-85 20847-81 20847-82 20847-84 dpst-no 20842-82 20842-84 20842-85 20850-81 20850-82 20850-84 dpst-nc 20843-82 20843-84 20843-85 20851-81 20851-82 20851-84 dpdt 20844-82* 20844-84* 20844-85 20852-81 20852-82* 20852-84 spst-no 20973-82 20973-84 20973-85 20970-81 20970-82 20970-84 spst-nc 21058-82 21058-84 21058-85 21059-81 21059-82 21059-84 275p spdt 21057-82 21057-84 21057-85 21016-81 21016-82 21016-84 dpst-no 21044-82 21044-84 21044-85 21023-81 21023-82 21023-84 dpst-nc 20976-82 20976-84 20976-85 20934-81 20934-82 20934-84 dpdt 20931-82 20931-84 20931-85 20930-81 20930-82 20930-84 spst-no 20993-82 20993-84 20993-85 21001-81 21001-82 21001-84 spst-nc 20994-82 20994-84 20994-85 21002-81 21002-82 21002-84 275t spdt 20995-82 20995-84 20995-85 21003-81 21003-82 21003-84 dpst-no 20998-82 20998-84 20998-85 21006-81 21006-82 21006-84 dpst-nc 20999-82 20999-84 20999-85 21007-81 21007-82 21007-84 dpdt 21000-82 21000-84 21000-85 21008-81 21008-82 21008-84 35 amp part numbers 275f spst-no-dm 20840-82 20840-84 20840-85 20848-81 20848-82* 20848-84 spst-nc-db 20841-82 20841-84 20841-85 20849-81 20849-82 20849-84 275t spst-no-dm 20996-82 20996-84 20996-85 21004-81 21004-82 21004-84 spst-nc-db 20997-82 20997-84 20997-85 21005-81 21005-82 21005-84 * shaded items are normally stocked. all other items are non stock. minimum quantity may be required. ordering information pc board layout - all pins shown. select those required based on schematic for pole configuration utilized. recommended hole sizes .078 (1.98) for coil (a&b) .109 (2.77) for others (1-9) 275l 275p .090 x .032 (2.29) (.81) .055 x .032 (1.40) (.81) coil terminals only
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