CQB7DC-63 Series DC Miniature Circuit Breakers

Product Overview

These DC MCBs are perfect for DC distribution systems with a rated voltage up to 1000V and a rated current up to 63A, featuring a rated short – circuit breaking capacity of up to 6000A. They work as protection devices in distribution circuits for infrequent connection, disconnection, and switching. With overload and short – circuit protection, plus auxiliary function modules like auxiliary contacts and alarm – indicating contacts, they’re widely used in communication industry’s main cabinets, power cabinets, distribution cabinets, and outdoor cabinets.

Our CQB7DC-63 series stands out due to advanced technology and strict quality control. Using cutting – edge equipment and following strict quality standards, we ensure each unit performs reliably. We understand international clients’ unique needs and offer flexible customization from product design to packaging. Our efficient processes and quality systems ensure timely delivery of high – quality products, helping clients compete globally.

Overview and applications

The rated operating voltage of CQB7DC-63 series DC miniature circuit breakers can reach DC 1000V, and the rated operating current can reach 63A, which are used for isolation, overload and short circuit protection. It is widely used in photovoltaic, industrial, civil,communication and other systems, and can also be used in DC systems to ensure the reliable operation of DC systems.

Standards: IEC/EN 60947-2, EU ROHS environmental protection requirements.

Order Specifications

1.When ordering circuit breakers, the following points should be specified:

A) Product models, such as CQB7DC-63;

B) Poles of circuit breakers, such as 1P、2P、3P、4P;

C) Types of instantaneous tripping,such astype B/C;

D) Rated current of circuit breakers, such as 16A、20A、25A;

E) Order quantity,such as 100pcs

2.Purchase order template

CQB7DC-63 2P C/16A 100pcs

Product Features

■ DC Specialized Design

Specifically designed for DC circuits with rated working voltage up to 1000V, suitable for various DC power distribution systems

■ High Breaking Capacity

Rated short-circuit breaking capacity of 6kA, providing reliable overload and short-circuit protection

■ Communication Industry Application

Specially suitable for power distribution systems in communication industry main cabinets, power cabinets, distribution cabinets, and outdoor cabinets