The Schneider Electric Square D PJA36040U33B is a molded case circuit breaker designed for robust electrical protection in demanding industrial and commercial environments. This specific unit is part of the PJA series, engineered to handle significant current loads. Its construction is optimized for reliable performance in applications requiring high amperage capacity and dependable circuit interruption.

Technical details

• Series: Square D PJA
• Type: Molded Case Circuit Breaker
• Voltage Rating: 600V AC
• Current Rating: 400A
• Number of Poles: 3 (indicated by the '3' in PJA36040U33B)
• Frame Size: PJA frame (implied by the series designation)
• Interrupting Rating: Specific interrupting rating should be verified against the manufacturer's datasheet for the PJA36040U33B model.
• Terminal Type: Lug terminals (typical for this amperage class, verify against datasheet)

Applications & compatibility

This 400A, 600V circuit breaker is suitable for main feeders, branch circuit protection, and motor control applications within heavy industrial settings. It is commonly found in power distribution panels for manufacturing plants, large commercial buildings, and infrastructure projects where substantial electrical loads are managed. Compatibility with specific panelboards and switchgear should be confirmed based on physical dimensions and mounting requirements.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D PJA36040U33B or contact our technical team for cross-reference assistance with compatible PJA series components.