CTA4
Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
FEATURES:
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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
< 30 milliohms initial
Contact Resistance
Contact Material
AgSnO2
Maximum Switching Power
1A & 1C = 280W; 1U & 1W = 2x280W
Maximum Switching Voltage 380VAC, 75VDC
Maximum Switching Current
20A
COIL DATA
Coil Voltage
VDC
Coil Resistance Pick Up Voltage
Release Voltage
VDC (min)
Coil Power
W
Operate Time
ms
Release Time
ms
VDC (max)
Ω ± 10%
75%
10%
of rated voltage
of rated voltage
Rated
3
Max.
3.9
9
2.25
3.75
0.3
0.5
0.6
0.9
1.2
1.8
2.4
5
6.5
25
6
7.8
36
4.50
1.0
10
5
9
11.7
15.6
23.4
31.2
85
6.75
12
18
24
145
342
576
9.00
13.50
18.00
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
100MΩ min @ 500VDC
1500V rms min. @ sea level
750V rms min. @ sea level
100m/s2 for 11ms
Insulation Resistance
Dielectric Strength, Coil to Contact
Contact to Contact
Shock Resistance
Vibration Resistance
1.27mm double amplitude 10-40Hz
10N
Terminal (Copper Alloy) Strength
Operating Temperature
Storage Temperature
-40 °C to + 85 °C
-40 °C to + 155 °C
230 °C ± 2 °C for 10 ± 0.5s
12g & 24g
Solderability
Weight