"ABB CA4-20: A 4-pole auxiliary contact block with 2 N.O. and 2 N.C. contacts, designed for flexible control applications and meeting IEC/EN 60947-5-1 standards."
Product ModelCA4-20
Material Number1SBN010110R1020
Product ID76732
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Flexible Control Design\"The ABB CA4-20 features a 4-pole design, offering flexible control solutions for a variety of applications.\"
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2. Versatile Contact Arrangement\"With 2 N.O. and 2 N.C. instantaneous contacts, this auxiliary contact block is versatile and adaptable to different control needs.\"
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3. Compliance with International Standards\"Meets IEC/EN 60947-5-1 standards, ensuring reliability and safety in your control systems.\"
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4. High Operational Current Capacity\"Rated for high operational currents, including 2 A at 500 V and 6 A at 24/127 V, making it suitable for demanding applications.\"
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Product Net Width
43 mm
Product Net Depth / Length
19.9 mm
Product Net Height
23.6 mm
Product Net Weight
0.024 kg
Number of Auxiliary Contacts NO
2
Number of Auxiliary Contacts NC
0
5. Durable Construction\"Built with durable materials and designed for high switching frequencies, the ABB CA4-20 ensures reliable performance over time.\"
Standards
IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1-14
Rated Operational Voltage
Auxiliary Circuit 690 V
Rated Frequency (f)
Auxiliary Circuit 50 / 60 Hz
Conventional Free-air Thermal Current (Ith)
acc. to IEC 60947-5-1, Π= 40 °C 16 A
Rated Operational Current AC-15 (Ie)
(500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (400 / 440 V) 3 A
Rated Short-time Withstand Current Low Voltage (Icw)
for 0.1 s 140 A for 1 s 100 A
Maximum Electrical Switching Frequency
(AC-15) 1200 cycles per hour (DC-13) 900 cycles per hour
Rated Operational Current DC-13 (Ie)
(24 V) 6 A / 144 W (48 V) 2.8 A / 134 W (72 V) 1 A / 72 W (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.27 A / 60 W (250 V) 0.27 A / 68 W (400 V) 0.15 A / 60 W (500 V) 0.13 A / 65 W (600 V) 0.1 A / 60 W
Rated Insulation Voltage (Ui)
acc. to IEC 60947-5-1 690 V acc. to IEC 60947-5-1 and VDE 0110 (Gr. C) 690 V acc. to UL/CSA 600 V
