CTA3 Datasheet, PDF (1/3 Pages) CIT Relay & Switch – CIT SWITCH

CTA3
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
Contact Rating
Contact Resistance
Contact Material
Maximum Switching Power
Maximum Switching Voltage
Maximum Switching Current
1A = SPST N.O.
1B = SPST N.C.
1C = SPDT
1U = SPST N.O. (2 terminals)
Contact Configuration
Standard
1A
60A @ 14VDC
1B
40A @ 14VDC
1C
60A @ 14VDC N.O.
40A @ 14VDC N.C.
1U
2x25A @ 14VDC
< 30 milliohms initial
AgSnO₂In₂O₃
980W
75VDC
80A
Heavy Duty
80A @ 14VDC
70A @ 14VDC
80A @ 14VDC N.O.
70A @ 14VDC N.C.
2x25A @ 14VDC
COIL DATA
Coil Voltage
VDC
Coil Resistance
Ω ± 10%
Pick Up Voltage
VDC (max)
Release Voltage
VDC (min)
Coil Power
W
Operate Time
ms
Release Time
ms
75%
10%
Rated Max.
1.8W
of rated voltage of rated voltage
6
7.8
20
4.2
0.6
12 15.6
80
8.4
1.2
1.8
7
5
24 31.2
320
16.8
2.4
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
500V rms min. @ sea level
500V rms min. @ sea level
147m/s² for 11ms
1.5mm double amplitude 10-40Hz
8N (Quick Connect), 4N (PCB Pins)
-40 °C to + 85 °C
-40 °C to + 155 °C
230 °C ± 2 °C for 10 ± 0.5s
46g
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