high switching capacity from normally open contact loop terminal construction miniature power relay ideal for motor switching in appliances and hvac equipment designed specifically for high inrush compressor loads space-saving design semi-sealed construction, standard standard versions approved by ul, csa, and vde miniature power relay g4a ordering information part number type contact form construction pcb and quick-connect pcb terminal standard spst-no semi-sealed g4a-1a-e G4A-1A-P-E specifications coil data rated rated coil pick-up dropout maximum power voltage current resistance voltage voltage voltage consumption (vdc) (ma) ( ? ) % of rated voltage (w) 12 75 160 70% max. 10% min. 110% approx. 0.90 24 37.50 640 contact data load motor load rated load inrush 80 a (cos?0.7) 0.35/20 a steady state (cos?0.9) contact material agsno 2 max. carry current 20 a max. operating voltage 250 vac max. operating current 20 a max. switching capacity 5,000 va min. permissible load 100 ma at 5 vdc note: 1. the rated current and coil resistance are measured at a coil temperature of 23 c (73 f) with a tolerance of 10% for dc coil resistance. 2. operating characteristics are measured at a coil temperature of 23 c (73 f). to order: select the part number and add the desired coil voltage rating, (e.g., g4a-1a-e- dc12 ).
2 g4a g4a contact resistance 100 m ? operate time 20 ms max. release time 10 ms max. maximum operating mechanical 18,000 operations/hour frequency electrical 1,200 operations/hour (under rated load) insulation resistance 1,000 m ? min (at 500 vdc) dielectric strength 4,500 vac, 50/60 hz for 1 minute between coil and contacts 1,000 vac, 50/60 hz for 1 minute between contacts of same polarity vibration mechanical durability 10 to 55 hz, 1.50 mm (0.06 in) double amplitude range for 2 hours malfunction durability 10 to 55 hz, 1.50 mm (0.06 in) double amplitude range for 5 minutes shock mechanical durability 1,000 m/s 2 (approx. 100 g) malfunction durability 200 m/s 2 (approx. 20 g) life expectancy mechanical 2 million operations min. (at 18,000 operations/hour) electrical 200,000 operations min. (at 1,200 operations/hour under rated) ambient operating temperature -25 to 60 c (-13 to 140 f) with no icing ambient operating humidity 35% to 85% weight 23 g (0.81 oz) characteristic data g4a-1a maximum switching capacity electrical service life switching voltage (v) switching current (a) note: data shown are of initial value. characteristics switching current (a) life expectancy (x10 3 operations)
3 g4a g4a dimensions unit: mm (inch) g4a-1a-e terminal arrangement/ internal connections tab terminals pcb terminals (top view) (bottom terminals) mounting holes (bottom view) G4A-1A-P-E terminal arrangement/ internal connections (bottom view) mounting holes (bottom view) relays
4 g4a g4a type contact form coil ratings contact ratings g4a-1a-e spst-no 5 to 100 vdc motor load 80 a, 250 vac (make) G4A-1A-P-E 20 a, 250 vac (break), 100,000 cycles horsepower 1 hp, 120 vac, 125 vac, 240 vac, 250 vac, 277 vac 2 hp, 240 vac, 277 vac, 30,000 cycles fla/lra 16 fla, 96 lra, 120 vac, 30,000 cycles 12 fla, 72 lra, 150 vac, 30,000 cycles 12 fla, 72 lra, 240 vac, 30,000 cycles general purpose 23 a, 277 vac, 30,000 cycles resistive 15 a, 30 vdc 20 a, 250 vac, 100,000 cycles definite purpose 18 fla, 90.5 lra, 240 vac, 100,000 cycles, 55 c (131 f) ambient tungsten 20 a, 120 vac, 6,000 cycles ballast 20 a, 277 vac, 6,000 cycles approvals ul (file no. e41643)/csa (file no. lr31928) note: 1. the rated values approved by each of the safety standards may be different from the performance characteristics individu ally defined in this catalog. 2. in the interest of product improvement, specifications are subject to change. omron electronics, inc. omron canada, inc. one east commerce drive 885 milner avenue schaumburg, il 60173 scarborough, ontario m1b 5v8 1-800-55-omron 416-286-6465 cat. no. gc rly7 01/00 specifications subject to change without notice. printed in the u.s.a. note: dimensions are shown in millimeters. to convert millimeters to inches divide by 25.4.
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