Power Relay SRD Class B insulation approved as standard Flux tight or fully sealed versions available TV-5 rating UL/CSA/TUV recognised Options and ordering codes SRD H1A F 12VDC Type Coil voltage Standard coil Sealing: High F: Flux tight H F sensitivity coil Contact form: S: Fully sealed S 1A: SPNO 1A Contact rating Type SRD SRDH Contact form 1A (SPNO) Maximum switching power 1920VA (2400VA)*/240W (300W)* 1920VA/240W Maximum switching voltage 250VAC/30VDC Maximum switching/carry current 10A 8A TV rating TV-5 UL, CSA and TUV safety approval ratings available on request. *Ratings for 30k ops Specifications Contact material Ag SnInO Initial contact resistance 100m Max Operate time 10ms Max. (at rated voltage) Release time Standard 5ms Max. (at rated voltage), High sensitivity 7ms Nominal operating power Standard approx. 450mW, High sensitivity approx. 200mW Insulation resistance 100M at 500VDC Breakdown voltage Between coil and contacts 2500VAC (for 1 minute) Between open contacts Standard 1000VAC (for 1 minute), High sensitivity 750VAC (for 1 minute) Vibration resistance Operating extremes 10~50Hz, amplitude 1.0mm Damage limits 10~50Hz, amplitude 1.0mm Shock resistance Operating extremes 10G Damage limits 100G Ambient temperature Standard -30~+60C, High sensitivity -30~+80C 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 6gSRD 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 3 150 20 5 90.9 55 6 75 80 130% 75% 5% 9 50 180 of rated of rated of rated Approx. 450mW 12 37.5 320 voltage voltage voltage 18 25 720 24 18.8 1280 Coil specification SRDH 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 66.7 45 5 40.0 125 6 33.3 180 130% 75% 5% 9 22.2 405 of rated of rated of rated Approx. 200mW 12 16.7 720 voltage voltage voltage 18 11.1 1620 24 8.3 2880 Dimensions mm 18.8 max 7.6 (1.85) 12.7 2.54 Wiring diagram PCB layout 1.3x4 12.7 2.54 10.6 max 7.6 3.8 15.6 max