CA4-31MK

Name: CA4-31MK
Brand: ABB
SKU: CA4-31MK

The ABB CA4-31MK is a 3-pole front-mounted auxiliary contact block equipped with Push-In Spring terminals, designed for reliable and efficient connectivity in various electrical applications.

Product ModelCA4-31MK

Material Number1SBN010146R1131

Product ID83649

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ConnectivityThe ABB CA4-31MK features Push-In Spring terminals, ensuring secure and reliable connections that withstand the demands of your electrical system.
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2. Versatile ApplicationThis 3-pole auxiliary contact block is suitable for a wide range of applications, including those requiring high current ratings and frequent switching operations.
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3. Efficient DesignWith its front-mounted design, the CA4-31MK offers easy access and maintenance, reducing downtime and increasing overall efficiency.
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4. High Frequency CompatibilityOperating at 50/60 Hz, this contact block is compatible with various frequency requirements, making it versatile for different electrical systems.
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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

39.5 mm

Product Net Height

45 mm

Product Net Weight

0.05 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. Durable ConstructionBuilt with high-quality materials, the ABB CA4-31MK is designed to withstand the rigors of continuous use, ensuring long-lasting performance and reliability.

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, Î = 40 Â°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 UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp)

6 kV

Maximum Mechanical Switching Frequency

3600 cycles per hour

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mmÂ² Flexible 1/2x 0.5 ... 2.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ²

Wire Stripping Length

Auxiliary Circuit 10 mm

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20

Terminal Type

Push-in Spring Terminals

Suitable For

AF09 AF09Z AF12 AF12Z AF16 AF16Z AFC09 AFC12 AFC16 AF09B AF09ZB AF12B AF12ZB AF16B AF16ZB

Connecting Capacity Auxiliary Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG

Object Classification Code

ETIM 7

EC000041 - Auxiliary contact block

ETIM 8

EC000041 - Auxiliary contact block

ETIM 9

EC000041 - Auxiliary contact block

eClass

V11.0 : 27371302

UNSPSC

39121522

IDEA Granular Category Code (IGCC)

4743 >> Auxiliary contact block

E-Number (Finland)

3708040

E-Number (Sweden)

3210654

Manufacturer ID

1SBN010146R1131