Square D PowerPact MJA36450 450 Amp Molded Case Circuit Breaker – 3 Pole – 600V – 65 kA @ 480V – MJA Frame

The Square D PowerPact MJA36450 is a 450A, 3-pole molded case circuit breaker designed for three-phase electrical distribution systems. It has a 600V rating and a 65 kA interrupting capacity at 480V. This current-limiting breaker features a solid-state electronic, non-interchangeable Basic 1.0 trip unit with LI protection (Long-Time and Instantaneous). Its I-Line plug-in configuration and load-side lug terminals support installation in compatible Square D electrical distribution equipment.

Specifications

• Brand: Schneider Electric / Square D
• Product Series: PowerPact
• Type: MJA
• Model / MPN: MJA36450
• Product Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 450A
• Poles: 3 Pole
• Phase: 3 Phase
• Phase Configuration: ABC
• Voltage Rating: 600V
• Interrupting Capacity: 65 kA @ 480V
• Current Limiting: Yes
• Mounting / Connection: I-Line Style Plug-In
• Trip Unit: Basic Non-Interchangeable 1.0
• Trip Functions: LI – Long-Time and Instantaneous
• Trip Technology: Solid-State Electronic
• Terminals: Load-Side Lug Terminals

Part Numbers & Identification

• Manufacturer: Schneider Electric
• Brand: Square D
• Catalog Number: MJA36450
• Product Family: PowerPact
• Breaker Type: MJA
• UPC:78590168961 

Compatibility

Designed for compatible Square D PowerPact I-Line panelboards and switchboards supporting 450A, 3-pole breakers with matching voltage, interrupting capacity, and plug-in configuration.

Certifications

• Certification: UL Listed

Returns are easy

You may return items within 10 days of delivery for a refund.

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