MCCB Shunt Release

Shanghai DADA Electric CO., LTD. is a reliable manufacturer in China, and has its own brand, CDADA. We understand the importance of having reliable and efficient electrical components that can be controlled remotely to ensure safety and system integrity. That’s why we developed the CDADA MCCB Shunt Release, designed specifically to meet these needs.

Whether you're an engineer looking to enhance your system's safety features or a purchasing manager seeking high-quality components, our shunt release offers the reliability and ease of use you need.

Product Highlights

★ Purpose: Remote operation of MCCBs (Molded Case Circuit Breakers) for immediate disconnection.

★ Voltage Range: Compatible with AC 50Hz 220V/380V and DC 110V/220V supplies.

★ Pre-Wired Convenience: Comes with factory-prepared internal wiring, leaving only external connections for the user.

★ Simple Installation: Connect your control signals to designated terminals—no complex setup required.

★ Reliable Performance: Designed for instantaneous duty, ensuring quick response times during critical situations.

★ Our Recommendation: For optimal performance, always match the voltage rating of the shunt release with your MCCB's control power supply specifications.

Technical Specifications

Installation & Usage Guide

To get the most out of your CDADA MCCB Shunt Release, follow these steps:

★ Verify Compatibility: Ensure the voltage rating of the shunt release matches your MCCB’s control supply.

★ Connect Control Signal: Use the provided push-button (SB2) or your own control device to connect to terminals P3 and P4.

★ Check Wiring Diagrams: Refer to the included diagram where only the broken lines need connection by the user—all other wiring is factory-prepared.

★ Test Operation: Before full deployment, test the shunt release under controlled conditions to confirm proper function.

★ Maintenance Tip: Regularly inspect the wiring connections for signs of wear or damage. Keep the area around the shunt release clean and free from dust to ensure reliable operation.

Wiring Diagram Overview

The wiring diagram for the CDADA MCCB Shunt Release is straightforward:

● SB2: Opening push-button (provided by the user).

● P3, P4: Terminal numbers for connecting your control signal.

● Us: Control power supply.

● QF: Auxiliary contact.

Only the broken lines in the diagram require user connection—all other necessary wiring comes pre-connected from the factory, making installation quicker and easier.

Installation Note: Always double-check your wiring before applying power to avoid any potential hazards.

Frequently Asked Questions

Q1: What does "shunt release" mean?

A1: A shunt release is an accessory used to remotely open a circuit breaker in case of emergency or specific operational requirements. It provides a way to quickly disconnect power without physical access to the breaker itself.

Q2: Can I use this shunt release with any MCCB?

A2: No, it must be compatible with the MCCB model and its control voltage. Our shunt releases are designed to work seamlessly with CDADA MCCBs but may also be compatible with other brands—if unsure, consult with our technical support team.

Q3: Is the shunt release suitable for both AC and DC applications?

A3: Yes, our shunt release supports both AC (220V, 380V) and DC (110V, 220V) applications, providing flexibility across various environments.

Q4: Why choose CDADA shunt release over others?

A4: At CDADA, we prioritize:

● Quality Assurance: Rigorous testing ensures each unit meets high standards.

● Ease of Installation: Pre-wired units save time and reduce errors.

● Customer Support: Direct assistance from our experienced team.

● Cost-Effectiveness: Competitive pricing without compromising on quality.

Final Note from CDADA

Choosing the right shunt release can significantly enhance the safety and functionality of your electrical systems. With CDADA, you’re not just getting a component—you’re gaining a partner committed to excellence in every detail. Let us help you achieve peace of mind with our dependable and easy-to-use solutions.