distributor: electro-stock www.electrostock.com tel: 630-682-1542 fax: 630-682-1562 features: ? low coil power consumption ? small size and light weight ? switching current up to 20a ? suitable for household appliances, automotive applications ? dual relay available 16.9 x 14.5 (29.7) x 19.5 mm contact data contact arrangement 1a & 1u = spst n.o. 1c & 1w = spdt 2a & 2u = (2) spst n.o. 2c & 2w = (2) spdt contact ratings 1a, 1c, 2a, & 2c: 10a @ 120vac, 28vdc; 20a @ 14vdc 1u, 1w, 2u, & 2w: 2x10a @ 120vac, 28vdc; 2x20a @ 14vdc contact resistance < 30 milliohms initial contact material agsno 2 maximum switching power 1a & 1c = 280w; 1u & 1w = 2x280w maximum switching voltage 380vac, 75vdc maximum switching current 20a coil data coil voltage vdc rated max. coil resistance ? 10% pick up voltage vdc (max) 75% of rated voltage release voltage vdc (min) 10% of rated voltage coil power w operate time ms release time ms 3 3.9 9 2.25 0.3 5 6.5 25 3.75 0.5 6 7.8 36 4.50 0.6 9 11.7 85 6.75 0.9 12 15.6 145 9.00 1.2 18 23.4 342 13.50 1.8 24 31.2 576 18.00 2.4 1.0 10 5 caution: 1. the use of any coil voltage less than the rated coil voltage may compromise the operation of the relay. 2. pickup and release voltages are for test purposes onl y and are not to be used as design criteria. general data electrical life @ rated load mechanical life 100k cycles, typical 10m cycles, typical insulation resistance 100m ? min @ 500vdc dielectric strength, coil to contact contact to contact 1500v rms min. @ sea level 750v rms min. @ sea level shock resistance 100m/s 2 for 11ms vibration resistance 1.27mm double amplitude 10-40hz terminal (copper alloy) strength 10n operating temperature storage temperature -40 c to + 85 c -40 c to + 155 c solderability 230 c 2 c for 10 0.5s weight 12g & 24g cta4
distributor: electro-stock www.electrostock.com tel: 630-682-1542 fax: 630-682-1562 ordering information 1. series: cta4 cta4 2.contact arrangement: 1a = spst n.o. 1c = spdt 1u = spst n.o. 1w = spdt 2a = (2) spst n.o. 2c = (2) spdt 2u = (2) spst n.o. 2w = (2) spdt 1c 3. sealing options: s = sealed c = dust cover s 4. coil voltage: 3vdc 5vdc 6vdc 9vdc 12vdc 18vdc 24vdc 12vdc dimensions (units = mm) single package dual package schematics & pc layouts (bottom views) 1a 1c 1u 1w 2a 2c 2u 2w cta4
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