AC400V 250A Molded Case Circuit Breaker

In industrial power distribution systems, stable circuit protection equipment is crucial for ensuring equipment operation. The GreenWatt AC400V 250A Molded Case Circuit Breaker is primarily used for overload protection, short-circuit protection, and system control of power lines.

This AC400V 250A Molded Case Circuit Breaker is suitable for various application environments, including factory distribution cabinets, electrical control cabinets, and equipment power supply systems. As a China MCCB factory, we continuously optimize structural design and production processes to ensure stable performance in industrial environments.

Key Product Features

1. Rapid Arc Extinguishing Design

AC400V circuit systems generate strong arcs during short circuits.

The GreenWatt AC400V 250A Molded Case Circuit Breaker is equipped with an internal arc extinguishing system that rapidly interrupts the arc, reducing contact wear and improving circuit breaking efficiency.

2. Stable Mechanical Structure

The circuit breaker housing is made of heat-resistant insulating material, and its structural design is suitable for industrial power distribution systems, allowing for long-term operation within a certain temperature range.

3. Clear Operating Status Display

The equipment is equipped with an ON/OFF mechanical toggle handle, providing a clear and intuitive operating status, allowing maintenance personnel to quickly determine the circuit status.

4. Multi-Scenario Industrial Applications

The GreenWatt AC400V 250A Molded Case Circuit Breaker can be used in the following systems:

Factory power distribution systems

Industrial control cabinets

Equipment power supply protection systems

Electrical equipment upgrades and replacements

Industrial equipment installation

Technical Structural Advantages

Stable Short-Circuit Protection Capability

This circuit breaker has a high short-circuit breaking capacity, which can promptly disconnect the circuit when an electrical system malfunctions, reducing the risk of system damage.

Modular Structure Design

The internal components are rationally laid out, making it convenient for maintenance personnel to operate during installation and maintenance.

Industrial-Grade Housing Material

The housing is designed with flame-retardant insulating materials, suitable for power distribution systems in industrial environments.

Detailed Specifications

Installation and Usage Recommendations

When installing the GreenWatt AC400V 250A Molded Case Circuit Breaker, please note the following:

Ensure the power supply is completely disconnected before installation.

Tighten terminals to the recommended torque.

Ensure the circuit breaker is installed in a well-ventilated distribution cabinet.

Follow the product manual for wiring and commissioning.

Proper installation reduces wiring overheating and improves equipment stability.

Why Choose GreenWatt?

Nearly 30 Years of Industry Experience

The company has long focused on the research and development and production of electrical equipment, accumulating rich experience in the circuit breaker field.

Multi-Product Electrical Solutions

We manufacture a variety of electrical protection devices, including:

AC MCCB

AC ELCB

AC ACB

DC MCCB

To meet the needs of different power systems.

Production and Testing Equipment

The company has complete production and testing equipment, such as:

Short current test machine

Overload test machine

Medium-speed punch press machine

Automated assembly line

System testing ensures stable product quality.