HJ3B350 - 350Amp Circuit Breaker

HJ3B350 - 350Amp Circuit Breaker

The HJ3B350 is a 3-pole, 350-amp HJ3 molded case circuit breaker designed for your electrical equipment that uses the HJ frame configuration. With a 40°C temperature rating and Type ET 400 Ampere HJ frame design, the HJ3B350 is suited for compatible commercial and industrial electrical systems where matching the existing breaker specifications is important. Its three-pole configuration is intended for applications requiring a three-phase molded case circuit breaker. Built to last, this breaker is made for systems that require the proper frame style, electrical ratings, and physical fit.

Key Features and Benefits

• 350-amp rating – Designed for electrical systems requiring a 350A molded case circuit breaker.
• 3-pole design – Fits compatible three-phase electrical equipment.
• HJ frame configuration – Designed for systems built around the HJ breaker frame.
• Type ET 400 Ampere frame – Part of the HJ frame family with the specified frame rating.
• 40°C temperature rating – Designed for equipment operating in a 40°C environment.
• Molded case construction – Provides the breaker style and configuration required for compatible installations.

Technical Specifications

• Part Number: HJ3B350
  
• Breaker Type: HJ3 Molded Case Circuit Breaker
  
• Frame Type: HJ Frame
  
• Frame Rating: Type ET 400 Ampere
  
• Poles: 3
  
• Amperage Rating: 350 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 HJ3B350 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 keeping the existing equipment arrangement is important.

Where It Works Best

The HJ3B350 works best in existing electrical distribution equipment that requires a 3-pole, 350-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.