The SCHNEIDER ELECTRIC SQUARE D PJA36040U43A CIRCUIT BREAKER is a 3-pole, 400 Amp, 600VAC molded case circuit breaker designed for robust electrical protection in demanding industrial environments. As a component of the PowerPact-P series, this breaker integrates the I-LINE connection system, facilitating efficient and reliable installation within compatible switchgear and panelboards.

Technical details

• Series: PowerPact-P
• PJA Frame Size
• 3 Pole Configuration
• Current Rating: 400 Amps
• Voltage Rating: 600 VAC
• Interrupting Rating: 42 kA at 600 VAC
• Terminal Type: I-LINE Connection
• Trip Unit Type: Thermal-Magnetic (Fixed)
• Standard: UL 489, CSA C22.2 No. 5

Applications & compatibility

This circuit breaker is suitable for use in main distribution panels, branch circuit protection, and motor control applications across various industries including manufacturing, food and beverage processing, and material handling. It is designed to be compatible with Schneider Electric's I-LINE II panelboards and switchboards, ensuring seamless integration into existing infrastructure.

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 PJA36040U43A or contact our technical team for cross-reference assistance with compatible PowerPact components.