Qdb3-63 MCB Miniature Circuit Breaker

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Manual Type
• Model NO.: QDB3-63
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Insert
• Structure: MCB
• Poles Number: 1pole; 2poles; 3poles
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000, CB, CCC
• Transport Package: Carton
• Specification: 10pcs/box; 200pcs/carton
• Trademark: Trugeng; OEM
• Origin: China
• HS Code: 8536200000
• Production Capacity: 3000000 PCS / Year

Product Description

Our Miniature Circuit Breakers (MCBs) are designed to provide reliable protection against overload and short circuit conditions in low voltage electrical systems. With a compact design, fast tripping response, and high breaking capacity, they are ideal for residential, commercial, and industrial applications.

Key Features:

Rated current: 1A - 125A

Rated voltage: 230/400V AC

Breaking capacity: Up to 10kA / 15kA

Poles: 1P, 2P, 3P, 4P

Curve types: B, C, D

Standard width: 18mm / 27mm (optional)

Compliance: IEC/EN 60898-1 & IEC/EN 60947-2

Certifications: CE, CB, TUV

Advantages:

Quick and reliable protection for circuits and equipment

Long mechanical and electrical lifespan

Flame-retardant and high-impact resistant housing

Clear status indicator and easy installation on DIN rail

Optional accessories: auxiliary contact, shunt trip, undervoltage release

Applications:

Distribution boards and control panels

Residential and commercial buildings

Industrial automation and power distribution systems

Solar energy and EV charging systems

Whether you need standard or high-breaking capacity solutions, we provide customized MCBs that meet your requirements with competitive pricing and certified quality.

Contact us today for datasheets, samples, or quotations!