The Weltrus FXB3 Series 10kA Miniature Circuit Breaker (MCB) is a high-performance protection device designed to safeguard electrical circuits against overloads and short circuits. With a 10kA breaking capacity, it is suitable for applications where a higher fault level withstand is required, such as industrial plants, large commercial buildings, and critical infrastructure facilities.
Its robust construction and precise tripping mechanism ensure quick disconnection during fault conditions, minimizing potential damage to equipment and reducing downtime. The MCB’s compact, modular form factor allows for straightforward DIN rail installation in new builds or retrofits.
The FXB3 Series 10kA MCB is available in 1P, 2P, 3P, and 4P configurations to accommodate diverse electrical systems, with rated currents ranging from 1A to 125A. Fully CE-certified, it meets international standards for safety, reliability, and performance.
Technical Specifications:
Parameter
Value
Rated Current
1–125A
Rated Voltage
AC230/400V
Poles
1P / 2P / 3P / 4P
Breaking Capacity
10kA
Certification
CE
Mounting
DIN rail
Function
Overload and short-circuit protection
Applications:
Industrial manufacturing facilities
Large commercial buildings
High-rise residential complexes
Critical infrastructure installations
Electrical distribution panels in high fault-level areas
About the Manufacturer – WELTRUS:
Hangzhou Weltrus New Energy Technology Co., Ltd., a subsidiary of the Welfull Group, manufactures premium electrical protection devices for global markets. Their MCB products are engineered for exceptional durability, precise operation, and compliance with stringent safety standards, ensuring dependable protection in even the most demanding environments.
