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
AgSnO
2
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/s
2
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
