Power Relay SRB 7A/250 VAC rating Flux tight or fully sealed versions available 250mW high sensitivity coil UL/CUR/TUV recognised Options and ordering codes SRB H N B 1C F 12VDC Type Coil voltage 5 amp Sealing: *7 amp H Contact form: F: Flux tight F 1A: SPNO 1A Standard coil S: Fully sealed S Standard isolation 1B: SPNC 1B High sensitivity coil N High isolation B 1C: SPDT 1C *H type only available in 360mW coil Contact rating Type SRB SRBH Contact form 1A, 1B, 1C 1A, 1B, 1C Maximum switching power 1200VA/150W 1680VA/210W Maximum switching voltage 250VAC/30VDC Maximum switching/carry current 5A 7A UL, CUR and TUV safety approval ratings available on request Specifications Contact material Ag Alloy Initial contact resistance 100m Max Operate time 10ms Max (at rated voltage) Release time 5ms Max (at rated voltage) Nominal operating power Standard approx. 360mW, High sensitivity approx. 250mW Insulation resistance 1000M at 500VDC Breakdown voltage Between coil and contacts Standard 2000VAC (for 1 minute), High isolation 3000VAC (for 1 minute) Between open contacts 750VAC (for 1 minute) Vibration resistance Operating extremes 10~55Hz, amplitude 1.5mm Damage limits 10~55Hz, amplitude 1.5mm Shock resistance Operating extremes 10G Damage limits 50G Ambient temperature -40~+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 8gSRB Coil specification SRB standard coil 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 3 120 25 5 72.5 69 6 60 100 9 40 225 130% of 75% of 5% of 12 30 400 rated rated rated approx. 0.36W 18 20 900 voltage voltage voltage 24 15 1600 36 10 3600 48 7.5 6400 Coil specification SRB high sensitivity coil 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 3 83.3 36 5 50 100 6 41.3 145 9 27.7 325 130% of 75% of 5% of 12 20.9 575 rated rated rated approx. 0.25W 18 13.8 1300 voltage voltage voltage 24 10.4 2310 36 6.9 5180 48 5.2 9220 Dimensions mm (inch) 20.5 (0.807) 5.08 (0.200) 12.7 5.08 2.54 7.62 (0.100) TOLERANCE: 0.5(0.020) (0.500) (0.200) (0.300) Wiring diagram PCB layout (0.063) 1.6 12.7 5.08 1C 1A 1B (0.500) (0.200) BOTTOM VIEW 1.3-5 TOLERANCE: 0.1(0.004) BOTTOM VIEW 0.051) 3.4 (0.134) 0.3 20.5 (0.012) (0.807) 7.62 (0.300) 1.7 (0.067) 10.5 2.54 5.08 (0.413) (0.100) (0.200)