Wholesale 400 Amp Circuit Breakers – Top Supplier & Manufacturer in China

W9 Group is a trusted wholesale supplier of high-quality 400 Amp circuit breakers, ideal for various industrial and commercial applications. Our circuit breakers are manufactured with precision to meet stringent performance and safety standards. With a variety of options, you can find the right circuit breaker to meet your specific needs. We pride ourselves on offering superior products at competitive prices, catering to both single and bulk orders with prompt delivery and exceptional customer service. Rely on W9 Group for your wholesale 400 Amp circuit breaker needs and experience the reliability our products provide. Contact us to learn more about our extensive product range and pricing options.

Top Selling Products

MCCB circuit breaker WLM8E-250H-3300 3P 250A 250 amp circuit breaker electronic circuit breaker

MCCB circuit breaker WLM8-250H-3300 3P 250 amp circuit breaker thermal and magnetic circuit breaker thermal magnetic release mccb

MCCB circuit breaker WLM6E-800A-3300 3P/4P WLM6E Series electronic type circuit breaker 400V/690V 800 amp 3 Poles/4 Poles built in lsig

MCCB circuit breaker WLM6-800A-3300 3P/4P WLM6 Series thermal magnetic type breaker 400V/690V 800 amp 3/4 Poles

MCCB circuit breaker WLM6-1250A-3300 3P/4P WLM6 Series thermal magnetic type breaker 400V/690V 1250 amp 3/4 Poles

MCCB circuit breaker WLM6-1600A-3300 3P/4P WLM6 Series thermal magnetic type breaker 400V/690V 1600 amp 3/4 Poles

Related Blog

The difference between electronic and electromagnetic RCBO

What is an Electronic RCBO or Electromagnetic RCBO? Electronic RCBO : Function: Detects and interrupts electrical faults where the live and neutral currents are unequal (e.g., due to leakage ...

Understanding the Importance of RCCBs in Electrical Safety

In the field of electrical safety, the term RCCB (i.e. residual current circuit breaker) plays a vital role in preventing potential hazards, ensuring personal well-being and protecting electrical ...

Wholesale 400 Amp Circuit Breakers – Top Supplier & Manufacturer in China

Related products

MCCB circuit breaker WLM8-400H-3300 WLM8-400-3300 3P 400A 400 amp circuit breaker thermal magnetic release mccb 3 poles circuit breaker

MCCB circuit breaker WLM8-400H-4300 WLM8-400-4300 4P 400A 400 amp circuit breaker thermal magnetic release mccb 4pole mccb

WLM8EY-400H-3300 400 amp circuit breaker 3 poles circuit breaker circuit breaker electric Lcd mccb

WLM7HU-400-3300 3P solar type Molded Case Circuit Breaker 800V mccb 800VAC/1000VAC/1140VAC 400A 3 Poles

WLM6EY-400-3300 3P/4P remote control mccb 400VAC 400A 3 Poles / 4 Poles liquid crystal type molded case breaker with Modbus RS485

400-3P/4P terminal cover

MCCB circuit breaker WLM8-125H-3300 3P 125 amp circuit breaker thermal and magnetic circuit breaker moulded case circuit breaker mccb