HJ3B400 - 400Amp Circuit Breaker

HJ3B400 - 400Amp Circuit Breaker

The HJ3B400 is a 3-pole, 400-amp HJ3 molded case circuit breaker designed for your electrical equipment built around the HJ frame configuration. Its three-pole design makes it suitable for equipment using a three-phase molded case circuit breaker setup.

Key Features and Benefits

• 400-amp rating – Designed for applications requiring a 400A molded case circuit breaker.
• 3-pole design – Built for compatible three-phase electrical equipment.
• HJ frame configuration – Designed for systems using the HJ frame breaker style.
• Type ET 400 Ampere frame – Matches equipment designed around this specific HJ frame rating.
• 40°C temperature rating – Designed for applications using a 40°C operating environment.
• Molded case construction – Provides the required breaker style and configuration for compatible installations.

Technical Specifications

• Part Number: HJ3B400
  
• Breaker Type: HJ3 Molded Case Circuit Breaker
  
• Frame Type: HJ Frame
  
• Frame Rating: Type ET 400 Ampere
  
• Poles: 3
  
• Amperage Rating: 400 Amps
  
• Temperature Rating: 40°C
  
• A.I.C. Ratings:
  • 25kA at 600VAC
  • 35kA at 480VAC
  • 65kA at 240VAC
• Dimensions: 9.00"W x 11.00"L x 4.00"D
  
• Height/Length: 11.0 inches
  
• Width: 9.0 inches
  
• Depth: 4.0 inches
  
• Approximate Shipping Weight: 23 lbs.
  

Material Compliance and Certifications

The HJ3B400 is a molded case circuit breaker designed for electrical equipment requiring the listed breaker ratings, frame style, and configuration. It is intended for compatible commercial and industrial applications where preserving the existing equipment setup is important.

Where It Works Best

The HJ3B400 works best in existing electrical distribution equipment that requires a 3-pole, 400-amp HJ frame molded case circuit breaker. It is suited for maintenance and replacement applications involving compatible panels, switchboards, and electrical assemblies designed for this breaker configuration.