HJA36125 - 125 Amp Circuit Breaker

HJA36125 - 125 Amp Circuit Breaker

The HJA36125 is a PowerPact H-Frame molded case circuit breaker designed for your electrical distribution equipment, featuring a 3-pole, 125-amp thermal-magnetic breaker with I-Line compatibility. With an 80% continuous current rating, HACR suitability, and thermal-magnetic trip protection, this breaker is designed for commercial and industrial electrical systems that require the PowerPact H-Frame configuration.

Key Features and Benefits

• 125-amp, 3-pole design – Designed for compatible three-phase electrical distribution systems.
• Thermal-magnetic trip protection – Helps protect against overloads and short-circuit conditions.
• 600VAC rating – Designed for systems requiring up to 600VAC operation.
• I-Line line-side connection – Designed for equipment using I-Line mounting and connection systems.
• Mechanical load-side lugs – Provide compatible load connections for installation.
• Push-to-trip button – Allows manual tripping directly from the breaker cover.
• 80% continuous current rating – Designed for continuous current applications within specified limits.
• Dual-break rotating contacts – Designed to help reduce peak current during short-circuit conditions.

Technical Specifications

• Catalog Number: HJA36125
  
• Product Family: PowerPact H
  
• Breaker Type: Molded Case Circuit Breaker
  
• Application: Distribution
  
• Poles: 3P
  
• Amperage Rating: 125 Amps
  
• Trip Unit Technology: Thermal-magnetic
  
• Voltage Rating: 600VAC
  
• Frequency: 50/60Hz
  
• Breaking Capacity:
  • 100kA at 240VAC UL 489
  • 65kA at 480VAC UL 489
  • 25kA at 600VAC UL 489
  • 20kA at 250VDC UL 489
• Continuous Current Rating: 80%
  
• Magnetic Trip Current: 1700A
  
• Magnetic Hold Current: 900A
  
• Mounting Type: I-Line bracket mounting
  
• Line Connection: I-Line connection
  
• Load Connection: Mechanical lugs
  
• Dimensions: 4.09"W x 6.4"H x 3.4"D
  
• Product Weight: Approximately 4.9 lbs.
  

Material Compliance and Certifications

The HJA36125 PowerPact H-Frame circuit breaker is designed for compatible electrical distribution equipment and complies with applicable UL, CSA, NOM, NEMA, and IEC standards. It is CE marked and includes an IP40 front cover protection rating. The breaker is intended for use in environments with pollution degree 3 conditions according to applicable standards.

Where It Works Best

The HJA36125 works best in electrical distribution equipment designed for PowerPact H-Frame I-Line circuit breakers. It is suited for commercial buildings, industrial facilities, and other applications requiring a 3-pole, 125-amp thermal-magnetic circuit breaker with I-Line compatibility.