distributor: electro-stock www.electrostock.com tel: 630-682-1542 fax: 630-682-1562 features: ? large switching capacity up to 80a ? small size and light weight ? pcb pin and quick connect mounting available ? suitable for automobile and lamp accessories ? qs-9000, iso-9002 certified manufacturing 28.5 x 28.5 x 26.5 (40.0) mm contact data contact arrangement 1a = spst n.o. 1b = spst n.c. 1c = spdt 1u = spst n.o. (2 terminals) contact configuration standard heavy duty contact rating 1a 1b 1c 1u 60a @ 14vdc 40a @ 14vdc 60a @ 14vdc n.o. 40a @ 14vdc n.c. 2x25a @ 14vdc 80a @ 14vdc 70a @ 14vdc 80a @ 14vdc n.o. 70a @ 14vdc n.c. 2x25a @ 14vdc contact resistance < 30 milliohms initial contact material agsno 2 in 2 o 3 maximum switching power 980w maximum switching voltage 75vdc maximum switching current 80a coil data coil voltage vdc coil resistance ? 10% rated max. 1.8w 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 6 7.8 20 4.2 0.6 12 15.6 80 8.4 1.2 24 31.2 320 16.8 2.4 1.8 7 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 only 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 500v rms min. @ sea level 500v rms min. @ sea level shock resistance 147m/s 2 for 11ms vibration resistance 1.5mm double amplitude 10-40hz terminal (copper alloy) strength 8n (quick connect), 4n (pcb pins) operating temperature storage temperature -40 c to + 85 c -40 c to + 155 c solderability 230 c 2 c for 10 0.5s weight 46g cta3
distributor: electro-stock www.electrostock.com tel: 630-682-1542 fax: 630-682-1562 ordering information 1. series: 24vdc cta3 standard cta3f with mounting flange cta3m with metal bracket cta3f 2.contact arrangement: 1a = spst n.o. 1b = spst n.c. 1c = spdt 1u = spst n.o. **only available with standard contacts 1c 3. sealing options: s = sealed c = dust cover s 4. termination options: p = pcb pins q = quick connect p 5. coil voltage: 6vdc 12vdc 24vdc 2 6. contacts: 1 = standard 2 = heavy duty 7: coil suppression: blank = standard d = diode (1n4005) cathode on ?86? terminal r = resistor (680 ohms) 2d = 2 diodes (1n4005) dr = diode & resistor (1n4005 & 680 ohms) cathode on ?86? terminal ** consult factory if other values are needed. dimensions ? cta3 (units = mm) standard contacts (1) with pc pins standard contacts (1) with quick connects heavy duty contacts (2) with pc pins heavy duty contacts (2) with quick connects cta3
distributor: electro-stock www.electrostock.com tel: 630-682-1542 fax: 630-682-1562 dimensions ? cta3f (units = mm) standard contacts (1) with quick connects h eavy duty contacts (2) with quick connects dimensions ? cta3m (units = mm) standard contacts (1) with quick connects h eavy duty contacts (2) with quick connects schematics, pc pin dimensions, & pc layouts (bottom views) 1a 1b 1c 1u cta3
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