The Schneider Electric Square D RJF36120CU44AYP is a molded case circuit breaker designed for robust electrical protection in demanding industrial environments. This unit is part of the Square D I-Line family and features an electronic trip unit for precise fault interruption. It is engineered for applications requiring high current handling and reliable circuit isolation.

Technical details

• Series: Square D I-Line
• Voltage Rating: 600V AC
• Current Rating: 1200 Amperes
• Trip Unit Type: Electronic Micrologic 6.0 A
• Trip Unit Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
• Frame Size: RJF (specific frame size designation for this series)
• Number of Poles: 3-Pole
• Interrupting Rating: Verify with manufacturer datasheet for specific interrupting capacity at 600V.

Applications & compatibility

This circuit breaker is suitable for main feeders and branch circuit protection in heavy industrial facilities, manufacturing plants, and large commercial buildings. It is commonly integrated into switchboards and panelboards for protecting large motor loads, transformers, and distribution systems where precise overcurrent and ground fault protection is critical.

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 RJF36120CU44AYP or contact our technical team for cross-reference assistance with compatible I-Line components.