Power Relay SRG 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 Options and ordering codes SRG A 4 1C F 12VDC Type Coil voltage Terminal type: Sealing: Blank: Meets UL508 Blank: Open type Contact form: A: Meets UL508 & A D: Dust cover 1A: SPNO D 1A UL873 spacing 1B: SPNC F: Flux type F 1B 4kv isolation S: Fully sealed 1C: SPDT 4 S 1C (SRGA-1A style only) Contact rating Contact form 1A 1B 1C (SPDT) (SPNO) (SPNC) NO NC Maximum switching power 7500VA/600W 3750VA/300W 5000VA/600W 2500VA/300W Maximum switching voltage 250VAC/30VDC Maximum switching/ 30A 15A 20A 10A carry current UL, CSA and VDE safety approval ratings available on request Specifications Contact material AgSnInO Initial contact resistance 50m Max Operate time 15ms Max. (at rated voltage) Release time 10ms Max. (at rated voltage) Nominal operating power Approx. 930mW Insulation resistance 100M at 500VDC Breakdown voltage Between coil and contacts SRG-1500Vrms, SRGA-2500Vrms, SRGA4-4000Vrms Between open contacts 1500Vrms Vibration resistance Operating extremes 10~55Hz, amplitude 1.5mm Damage limits 10~55Hz, amplitude 1.5mm Shock resistance Operating extremes 10G Damage limits 20G Ambient temperature -55~+85C 6 Life expectancy Mechanical 10 x 10 operations (frequency 18,000 operations/hour) 5 Electrical (at max load) 1 x 10 operations (frequency 1,200 operations/hour) Weight 27gSRG Coil specification Rated Coil Max Power Current Resistance continuous consumption at Pick up voltage Drop out voltage Rated voltage 10% at 25C 10% at voltage at rated load (Max) at 25C (Min) at 25C (mA) 25C ( ) 25C 5 185 27 6 150 40 130% 75% 10% 9 93 97 of rated of rated of rated Approx. 930mW 12 77 155 voltage voltage voltage 24 36 660 48 18 2560 Outline dimensions (mm) SRG open type SRGA open type 17.3 max 3.30.5 0.8x1.6 24.1 max 17.3 max 3.30.5 0.8x1.6 24.1 max terminals terminals 0.64x0.64 1.1x1.1 0.64x0.64 1.1x1.1 terminals terminals terminals terminals SRG dust, flux tight, sealed SRGA dust, flux tight, sealed 3.30.5 3.30.5 4.8 4.8 0.8x1.6 0.8x1.6 27.5 max 20.4 max 27.5 max 20.4 max terminals terminals 1.1x1.1 1.1x1.1 terminals terminals 0.64x0.64 0.64x0.64 20.0 20.0 terminals terminals 24.8 24.8 Wiring diagram PCB layout SRG SPNO SPNC SPCO SRGA SRG 2.10.1 8.9 2.10.1 SRGA SPNO SPNC SPCO 3.8 3.8 14.0 1.10.1 14.0 1.10.1 17.8 17.8 17.6 29.0 max 12.8 32.2 max 2.5 17.6 15.2 7.6 29.0 max 12.8 32.2 max 15.2 2.54 15.2 7.6 2.5 2.54