The Schneider Electric Square D RJF36100CU31A is a molded case circuit breaker designed for robust electrical protection in demanding industrial environments. As part of the Square D RJF series, this breaker is engineered to deliver reliable performance and safeguard critical electrical systems from fault conditions. Its construction is optimized for applications requiring high current interruption capabilities and dependable circuit isolation.

Technical details

• Series: Square D RJF
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: RJF36
• Current Rating: 1000 Amperes (A)
• Voltage Rating: 600 Volts (V)
• Number of Poles: 3
• Interrupting Capacity: Refer to manufacturer datasheet for specific interrupting ratings.
• Trip Unit Type: Electronic (CU31A designation indicates a specific electronic trip unit configuration)

Applications & compatibility

This 1000A, 600V circuit breaker is suitable for main distribution panels, large motor feeders, and other high-capacity circuits in heavy industrial settings. It is commonly found in applications such as large manufacturing plants, data centers, and utility substations where reliable overcurrent protection is paramount.

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 RJF36100CU31A or contact our technical team for cross-reference assistance with compatible Square D circuit protection components.