Power Relay Meets UL508 and UL873 spacing Up to 30A switching in SPNO and 20A switching in SPDT arrangement Open type, dust, flux and fully sealed version available UL, CSA and VDE recognised SRG Options and ordering codes SRG 4 A - 1C - F - 12VDC Type Coil voltage Terminal type: Sealing: Blank: Meets UL508 A: Meets UL508 & UL873 spacing Blank: Open type Contact form: A 4kv isolation (SRGA-1A style only) 4 1A 1A: SPNO D D: Dust cover 1B 1B: SPNC F F: Flux type 1C 1C: SPDT S S: Fully sealed Contact rating Contact form Maximum switching power 1A 1B (SPNO) (SPNC) NO NC 7500VA/600W 3750VA/300W 5000VA/600W 2500VA/300W 30A 15A 20A 10A 250VAC/30VDC Maximum switching voltage Maximum switching/ carr y current 1C (SPDT) UL, CSA and VDE safety approval ratings available on request Specifications Contact material Initial contact resistance Operate time Release time Nominal operating power Insulation resistance Breakdown voltage Vibration resistance Shock resistance Ambient temperature Life expectancy Weight Between coil and contacts Between open contacts Operating extremes Damage limits Operating extremes Damage limits Mechanical Electrical (at max load) AgSnInO 50m Max 15ms Max. (at rated voltage) 10ms Max. (at rated voltage) Approx. 930mW 100M at 500VDC SRG-1500Vrms, SRGA-2500Vrms, SRGA4-4000Vrms 1500Vrms 10~55Hz, amplitude 1.5mm 10~55Hz, amplitude 1.5mm 10G 20G -55~+85C 10 x 106 operations (frequency 18,000 operations/hour) 1 x 105 operations (frequency 1,200 operations/hour) 27g SRG Coil specification Rated voltage Rated Current 10% at 25C (mA) Coil Resistance 10% at 25C () Max continuous voltage at 25C Pick up voltage (Max) at 25C Drop out voltage (Min) at 25C 5 185 27 6 150 40 130% 75% 10% 9 93 97 of rated of rated of rated 12 77 155 voltage voltage voltage 24 36 660 48 18 2560 Power consumption at rated load Approx. 930mW Outline dimensions (mm) SRGA open type SRG open type 17.3 max 17.3 max 24.1 max 0.8x1.6 terminals 0.64x0.64 terminals 2.5 0.8x1.6 terminals 1.1x1.1 terminals 24.8 PCB layout 15.2 15.2 SPNC o2.10.1 SRGA o2.10.1 2.54 8.9 7.6 SRG 15.2 SPCO 7.6 SPNC 2.54 Wiring diagram SPNO 4.8 0.64x0.64 terminals 20.0 24.8 SRGA 32.2 max 12.8 20.4 max 17.6 2.5 27.5 max 1.1x1.1 terminals 0.64x0.64 terminals 20.0 3.30.5 0.8x1.6 terminals 32.2 max 17.6 4.8 20.4 max 12.8 27.5 max 1.1x1.1 terminals SRGA dust, flux tight, sealed 3.30.5 SPNO 0.8x1.6 terminals 0.64x0.64 terminals 1.1x1.1 terminals SRG dust, flux tight, sealed SRG 3.30.5 29.0 max 29.0 max 24.1 max 3.30.5 SPCO 3.8 3.8 14.0 17.8 o1.10.1 14.0 17.8 o1.10.1