MCB 1P 63-125A

Description:

Miniature circuit breakers, like loyal guardians of electrical systems, silently guard every circuit from homes to factories with their precise mechanical structure and reliable arc control technology. It relies on its excellent breaking ability and precise protection characteristics to act decisively in the event of overload or short circuit faults, effectively isolating danger. Its iconic modular design allows a single circuit breaker unit to be flexibly expanded into an intelligent protection module that integrates leakage, undervoltage, and remote control. Whether hiding in a home distribution box or deployed in a complex industrial cabinet, it ensures the safety, stability, and controllability of power distribution with its compact and sturdy physical form, and is an indispensable cornerstone in modern low-voltage distribution networks.

Applications:

1. Residential and household use: As the core of indoor distribution boxes, it provides overcurrent, short-circuit, and leakage protection for lighting, sockets, air conditioning, and other circuits, ensuring the safety of household electricity use.

2. Commercial and public buildings: widely used in distribution cabinets in office buildings, shopping malls, hotels, and schools to protect lighting, sockets, fan coil units, and various office equipment.

3. Industry and OEM: Providing reliable branch protection for control cabinets, production lines, mechanical equipment, and motors in factories is a key component of industrial automation and equipment integration.

4. Infrastructure and Precision Power Distribution: Used for data center cabinet PDUs, communication base stations, etc., providing fine circuit protection and power distribution management for critical loads such as servers and network equipment.

MCB Accessories Display

When overloaded, the double metal will bend and deform when heated. When the bending degree reaches a certain value, the mechanical latch will be pushed to release the operating mechanism, causing the circuit breaker contacts to separate and cut off the circuit to achieve overload protection.

When there is a short circuit, the current will increase sharply in an instant, creating a strong magnetic field. The trip coil generates electromagnetic attraction, causing the iron core and other components to undergo electromechanical displacement and hit the trip rod, causing the locking mechanism to release i

Product Accessories

BASE
COVBER
BASE

Product Quality:

The dynamic and static contacts are made of copper and silver alloy, which have the advantages of high temperature resistance, oxidation resistance, and good conductivity

The copper bars for incoming and outgoing lines are made of thick standard purple copper material

The insulation system is made of flame-retardant and high-temperature resistant materials, the coil material is copper, the contacts are made of silver alloy material, and the contacts are made of silver plated purple copper.

Management Quality:

Raw material storage inspection, check whether the double gold is intact, whether there is virtual welding in the double gold, whether there is virtual welding in the soft connection, and whether the coil is detached

Semi finished product inspection, including self inspection, mutual inspection, and sampling (with a long delay), to check whether the assembly is in place, whether there are defects, to check for over travel distance, and to perform functional testing

Functional test: Short circuit overload test

Finished product inspection: mechanical characteristic testing, mechanical testing, power on testing, inspection of appearance for defects and completeness

Instantaneous detection, delay detection, mechanical characteristic testing, power on testing, semi-finished product testing

MCB Instantaneous Testing
MCB Delay Testing

To ensure transportation safety, our electrical products are exported in reinforced wooden crates. The crates undergo heat treatment and bear the ISPM-15 mark, enabling swift customs clearance. The raised base design facilitates forklift operation, while internal shock-absorbing fastening ensures the products arrive intact. All exterior crates are clearly labeled and comply with international logistics standards.