general specifications (@ 25 c) contacts: contact confguration contact material contact rating 120 / 240vac resistive 28vdc resistive contact resistance, initial coil: coils available minimum coil power single pole double pole 3 pole 4 pole duty timing: operate time (max) release time (max) dielectric strength: across open contacts between mutally insulated points insulation resistance temperature: operating storage life expectancy: electrical (full load operations) mechanical (no load operations) miscellaneous: mounting position mating socket accessories enclosure weight spdt, dpdt silver 2 amp 2 amp 100 milliohms max @ 6vdc ac and dc 160mva 10mw 800mva 60mw - - - - continuous 20ms 20ms 500vrms 1500vrms 1,000 mohms min @ 500vdc -20 to 60c (-4 to 140f) -40 to 105c (-40 to 221f) 100,000 500,000 any 27390d (p or pgf versions) clear polycarbonate 7.5oz (241 grams) 112 series - low coil power - industrial pin out spdt, dpdt, 2 amp pgf / p version thumb wheel panel mount wire diagram (top view) the 112 series relays are capable of sensing extremely low current fow. they are frequently used to detect ground faults or in applications where applied voltage varies signifcantly . dc versions can sense currents as low as 0.61ma and tolerate voltages up to 10x minimum. ac versions can sense currents as low as 0.74ma and can tolerate voltages up to 5x minimum. single pole dc coil versions use as little as 12mw of power while double pole versions can be as low as 60mw . single pole ac coil version use as little as 160mva while double pole versions can be as low as 800mva. pick-up or drop-out current can be fne tuned by end user via knurled thumbwheel after loosening locknut. ***remove all power to make adjustments*** 6/5 www.struthers-dunn.com (843) 664-3303 panel mount versions only
section 6 sensitive - low input power relays 2 to 5 amps 6/6 www.struthers-dunn.com (843) 664-3303 wire diagram spdt dpdt pgf version p version spdt dpdt 112-pgf relays have front removable covers permitting access to user adjustable fne turning of pick-up or drop out while in socket 112-p relays are covered and adjustable but must be removed from socket to detach cover 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 panel mount (no cover) version spdt dpdt 1.37 (34.9) (47.6) (63.5) (60.3) (60.5) 1.91 (53.9) (53.9) (66.8) ordering code 112 xbx pgf 42maac series 112 contact arrangement xax (spdt) - (1 form c) xbx (dpdt) - (2 form c) panel mount - no code plug-in / front removable cover - code pgf plug-in - code p choose coil from tables on next page based on current or voltage. specify by current (maac or madc)
112 coils spdt ac coils, 50/60hz dc coils minimum minimum impedance minimum minimum resistance milliamps voltage ohms milliamps voltage 7.5% 177.0 1.0 6.0 145.0 0.08 0.55 143.0 1.4 9.0 117.0 0.10 0.84 116.0 1.6 13.0 95.0 0.12 1.26 91.0 2.0 22.0 73.0 0.15 2.10 74.0 2.5 34.0 60.0 0.19 3.10 52.5 3.5 65.0 43.0 0.25 5.80 41.5 4.3 100.0 33.0 0.30 9.0 38.0 5.0 130.0 31.0 0.39 12.50 31.5 6.0 190.0 26.0 0.49 19.0 23.0 8.5 370.0 18.8 0.62 33.0 19.0 12.0 630.0 15.5 0.78 50.0 15.7 13.5 860.0 12.8 0.95 74.0 11.8 16.0 1350.0 9.7 1.30 129.0 9.7 20.0 2070.0 7.9 1.60 197.0 7.7 23.0 3000.0 6.3 2.0 312.0 6.0 33.0 5500.0 4.9 2.50 504.0 4.7 43.0 9230.0 3.8 3.20 840.0 3.9 55.0 14300.0 3.2 3.90 1220.0 3.0 67.0 22500.0 2.4 4.80 1990.0 2.3 87.0 38500.0 1.8 6.40 3450.0 1.9 103.0 53000.0 1.6 8.00 5050.0 1.5 130.0 85000.0 1.3 9.70 7700.0 1.2 146.0 120600.0 1.0 11.70 11700.0 0.95 168.0 177000.0 0.84 16.00 19000.0 0.74 225.0 300000.0 0.61 21.00 34000.0 112 coils dpdt ac coils, 50/60hz dc coils minimum minimum impedance minimum minimum resistance milliamps voltage ohms milliamps voltage 7.5% 390.0 2.3 6.0 323.0 0.18 0.55 310.0 2.8 9.0 260.0 0.22 0.84 250.0 3.3 13.0 211.0 0.27 1.26 200.0 4.4 22.0 165.0 0.37 2.10 160.0 5.5 34.0 133.0 0.41 3.10 114.0 6.9 65.0 95.0 0.55 5.80 91.0 9.1 100.0 76.0 0.68 9.0 83.0 10.8 130.0 69.0 0.86 12.50 69.0 13.1 190.0 57.0 1.09 19.0 50.0 20.6 370.0 42.0 1.37 33.0 42.0 26.5 630.0 35.0 1.72 50.0 35.0 30.0 860.0 29.0 2.11 74.0 26.0 35.0 1350.0 22.0 2.77 129.0 22.0 45.5 2070.0 18.0 3.46 197.0 16.4 49.0 3000.0 14.0 4.33 312.0 13.0 72.0 5500.0 11.0 5.47 504.0 10.2 95.0 9230.0 8.5 7.11 840.0 8.5 122.0 14300.0 7.0 8.53 1220.0 6.5 146.0 22500.0 5.5 10.80 1990.0 4.9 190.0 38500.0 4.0 14.10 3450.0 4.3 230.0 53000.0 3.5 17.70 5050.0 coil specifcations 112 series - low coil power - industrial pin out spdt, dpdt, 2 amp 6/7 www.struthers-dunn.com (843) 664-3303
section 6 maximum ac coil voltage 5 x minimum maximum dc coil voltage 10 x minimum neither to exceed 300 volts sensitive - low input power relays 2 - 5 amp 6/8 www.struthers-dunn.com (843) 664-3303 pgf / p version thumb wheel panel mount wire diagram (top view) outline dimensions dimensions shown in inches & (millimeters) panel mount pgf / p versions 2 3 5 4 6 1 8 9 11 10 12 7 263 (66.9) (66.8) (41.4) (90.4) (70.1) (3.8) (36.7) (66.8)
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