Enclosed Circuit Breaker 250A 3P

Enclosed Circuit Breaker 250A 3P are mainly used to protect against line overload problems in low-voltage distribution systems. The product shell is made of plastic material with high insulation and high flame retardancy. The product is equipped with an integrated bimetallic strip thermal trip mechanism and an electromagnetic instantaneous trip unit inside. When abnormal current occurs in the electrical circuit during operation, it can quickly break to protect the safety of electrical equipment.

Product details

This product supports standard rail installation, has a wide compatibility range, and is suitable for the vast majority of electrical systems on the market. The core contacts of the product are made of arc-resistant materials and feature an optimized arc-extinguishing design, which endows it with the capability of high breaking capacity.

1.This product is equipped with a tripping operation handle and, in combination with a connecting rod transmission structure, can effectively ensure the breaking action.

2.The product adopts galvanized purple copper contacts. This material can enhance the electrical conductivity and ensure a safer circuit connection.

Product application

This product series is suitable for places such as industrial distribution cabinets, equipment control boxes and public facilities where the power distribution system needs to be protected.

Product specification

Our factory can provide a variety of common specifications of this product in stock.

Product selection process

If you are not sure which model of molded case circuit breaker your project needs to purchase, you can follow the steps below to send the information to our engineering team, and we will recommend a model for you.

1.1. Determine the model specification.

2. Determine the number of poles of the product. (Two screw slots: 2p / Three screw slots: 3p / Four screw slots: 4p)

3. Operate the handle to determine the rated current

Q&A

Q：Do these circuit breakers match the standard distribution cabinets?

A：Yes, the molded case circuit breakers we provide comply with international common installation standards and are suitable for installation on standard rails.