HJ3B400 - 400Amp Circuit Breaker

HJ3B400 - 400Amp Circuit Breaker

The HJ3B400 is a heavy-duty 3-pole, 400 Amp molded case circuit breaker specifically engineered for maintenance operations in industrial and commercial electrical systems. Designed with a robust HJ3 frame, this circuit breaker delivers superior protection against overcurrents and short circuits, ensuring the ongoing safety and reliability of your electrical infrastructure. The molded case construction provides additional safety and reliability, making it an ideal choice for ensuring system integrity during critical maintenance tasks.

Key Features and Benefits:

• Molded Case Construction: Offers enhanced durability and safety, ensuring reliable protection in demanding industrial and commercial environments.
• High AIC Ratings: Capable of interrupting significant fault currents, providing robust safety measures for high-capacity electrical systems.
• Durable HJ3 Frame: Built for long-term reliability and consistent performance under heavy-duty conditions.
• Type ET 400 Ampere Frame: Ensures compatibility and robust operation across a wide range of applications.

Technical Specifications:

• Poles: 3
• Amperes: 400A
• AIC Rating: 25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
• Frame Type: HJ3
• Dimensions: 9.00" W x 11.00" L x 4.00" D
• Temperature Rating: 40å¡C

Material Compliance and Certifications:

• The HJ3B400 circuit breaker is manufactured using high-quality materials that meet stringent industry standards.
• It is fully compliant with UL and IEC certifications, ensuring safe and reliable operation in various demanding environments.

Suitability:

• This circuit breaker is ideal for maintenance applications in industrial and commercial settings where high-capacity circuit protection is crucial.
• Its robust construction and high fault interruption capacity make it a trusted choice for maintaining the safety and functionality of your electrical systems.

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