ABB MCB-10 Contact Block

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1. Product Overview

ABB MCB-10 Contact Block is a commonly used contact module in ABB modular push button and indicator systems. It is designed to work with ABB modular push buttons, selector switches, emergency stop buttons, and other control devices to switch control circuits and signal functions. The contact block features compact design and stable performance for industrial control applications.

2. Technical Specifications

• Model: MCB-10

• Product Name: Contact Block

• Contact Configuration: 1 Normally Open (1NO)

• Rated Insulation Voltage (Ui): 690 V

• Rated Operating Voltage (Ue):

  • AC: up to 690 V

  • DC: up to 220 V

• Rated Operating Current (Ie):

  • AC-15: approx. 6 A (230 V)

  • DC-13: approx. 3 A (24 V)

• Rated Thermal Current (Ith): 10 A

• Electrical Life: ≥ 100,000 operations

• Mechanical Life: ≥ 1,000,000 operations

• Mounting Method: Clip-on mounting (modular assembly)

• Connection Method: Screw terminals

• Conductor Size:

  • Solid / stranded wire: 0.5 – 2.5 mm²

• Degree of Protection: IP20 (after installation)

• Operating Temperature: -25 ℃ to +70 ℃

• Housing Material: Flame-retardant engineering plastic

• Standards Compliance: IEC / EN standards

3. Advantages and Features

1. Modular Design
   Fully compatible with ABB modular push button and switch systems for easy installation and replacement.

2. Stable Contact Performance
   High-quality contact materials ensure excellent conductivity and reliable operation.

3. Long Service Life
   Designed for high mechanical and electrical endurance under frequent switching.

4. Compact Structure
   Space-saving design suitable for compact control cabinets.

5. Safe and Reliable
   Flame-retardant housing meets industrial electrical safety requirements.

6. International Standards Compliance
   Complies with IEC / EN standards for global applications.

4. Typical Applications

• Industrial automation control systems

• Control panels and switchboards

• Machinery control circuits

• Production line start/stop and signaling

• Energy, power, and infrastructure projects

• OEM equipment manufacturing

5. Installation and Usage Notes

1. Confirm the contact configuration before installation.

2. Always disconnect power before wiring.

3. Use appropriate conductor size according to rated current.

4. Ensure the contact block is firmly clipped to the actuator module.

5. Avoid continuous operation beyond rated voltage and current to ensure long-term reliability.