CTA41WC12

CTA4 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 Contact Ratings Contact Resistance Contact Material Maximum Switching Power Maximum Switching Voltage Maximum Switching Current 1A & 1U = SPST N.O. 2A & 2U = (2) SPST N.O. 1C & 1W = SPDT 2C & 2W = (2) SPDT 1A, 1C, 2A, & 2C: 10A @ 120VAC, 28VDC; 20A @ 14VDC 1U, 1W, 2U, & 2W: 2x10A @ 120VAC, 28VDC; 2x20A @ 14VDC < 30 milliohms initial AgSnO2 1A & 1C = 280W; 1U & 1W = 2x280W 380VAC, 75VDC 20A COIL DATA Coil Voltage VDC Coil Resistance Ω ± 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 Rated Max. 3 5 6 9 12 18 24 3.9 6.5 7.8 11.7 15.6 23.4 31.2 9 25 36 85 145 342 576 2.25 3.75 4.50 6.75 9.00 13.50 18.00 0.3 0.5 0.6 0.9 1.2 1.8 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 only and are not to be used as design criteria. GENERAL DATA Electrical Life @ rated load Mechanical Life Insulation Resistance Dielectric Strength, Coil to Contact Contact to Contact Shock Resistance Vibration Resistance Terminal (Copper Alloy) Strength Operating Temperature Storage Temperature Solderability Weight 100K cycles, typical 10M cycles, typical 100MΩ min @ 500VDC 1500V rms min. @ sea level 750V rms min. @ sea level 100m/s2 for 11ms 1.27mm double amplitude 10-40Hz 10N -40 °C to + 85 °C -40 °C to + 155 °C 230 °C ± 2 °C for 10 ± 0.5s 12g & 24g CTA4 Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562 ORDERING INFORMATION 1. Series: 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 3. Sealing Options: S = Sealed C = Dust Cover 4. Coil Voltage: 3VDC 5VDC 6VDC 9VDC 12VDC 18VDC 24VDC CTA4 1C S 12VDC DIMENSIONS (Units = mm) SINGLE PACKAGE DUAL PACKAGE SCHEMATICS & PC LAYOUTS (BOTTOM VIEWS) 1A 1C 1U 1W 2A 2C 2U 2W