ABB CA4-31N Auxiliary Contact Block

We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

1. Product Overview

The ABB CA4-31N is an auxiliary contact module for low-voltage circuit breakers, contactors, and switchgear, providing control circuit signaling or remote indication.
The module is compact, reliable, and compatible with various ABB low-voltage switchgear, making it suitable for industrial automation and distribution control systems.

2. Main Technical Specifications (Typical)

• Model: CA4-31N

• Product Type: Auxiliary Contact Block

• Contact Configuration: 3 Normally Open (NO) + 1 Normally Closed (NC)

• Rated Voltage: AC/DC 250 V

• Rated Current: 6 A

• Mechanical Life: ≥ 10,000 operations

• Wiring: Screw terminals

• Mounting: Directly mountable on circuit breaker or contactor side

• Operating Temperature Range: -25 ℃ to +60 ℃

• Protection Class: IP20

• Material: High-strength engineering plastic + copper contacts

3. Key Advantages and Features

1. Reliable Control Signal Output

   • Precise switching ensures reliable control circuit operation

2. Flexible Multi-Contact Combination

   • 3 NO + 1 NC for various control logic needs

3. High Compatibility

   • Compatible with ABB low-voltage circuit breakers, contactors, and combination switches

4. Long Mechanical Life

   • ≥ 10,000 operations, high durability

5. Easy Installation

   • Modular design, snap-on installation on device side, no extra tools required

4. Typical Applications

• Signal output and indication in distribution control panels

• Industrial automation control systems

• Low-voltage equipment in power, metallurgy, mining, and chemical industries

• Motor control circuits and protection signaling

• Automated production lines and building distribution systems

5. Installation and Maintenance Notes

1. Verify Ratings

   • Ensure contact voltage and current ratings match the control circuit

2. Power-Off Before Installation

   • Disconnect main power before installing or maintaining

3. Wiring Guidelines

   • Tighten terminals properly to avoid poor contact

   • Do not exceed rated current

4. Environmental Conditions

   • Avoid high temperature, humidity, and corrosive environments

   • Maintain good ventilation

5. Periodic Inspection

   • Check contact wear

   • Ensure reliable control signal output