Square D PowerPact RJF36300CU43A R-Frame 3P 3000A MCCB 100%
3000A Frame | 3000A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic (MicroLogic 5.0A)
Built for the most demanding power distribution applications, the Square D RJF36300CU43A R-Frame circuit breaker provides uncompromising protection. This 3-pole device is rated at 3000A with 600V AC voltage capability and an interrupting capacity of 100kA@240V, 65kA@480V, 25kA@600V (High (J) interrupting class). It features a MicroLogic 5.0A ammeter trip unit with LSIG protection plus integrated current measurement, rated at 80% continuous current per NEC Article 240.6. The RJF36300CU43A is equipped with busbar connection for direct mounting in power distribution switchgear. This breaker is UL 489 listed and CSA certified with dual UL/IEC ratings, ensuring compliance across North American and international installations. With its combination of advanced protection features and robust construction, the RJF36300CU43A is an excellent choice for demanding electrical distribution applications. The wire range accommodates Bus connection (RLTB kit) conductors for flexible installation options. Physical dimensions of 14.88" H x 15.00" W x 7.00" D with an approximate weight of ~55 lbs ensure compatibility with standard enclosures. The breaker operates reliably at ambient temperatures up to 40 degrees Celsius per UL and IEC standards. Field-installable accessories include shunt trip coils, undervoltage releases, auxiliary switches, alarm contacts, and motor operators for remote operation. The PowerPact platform supports a comprehensive range of accessories for enhanced functionality, monitoring, and communication capabilities.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 5.0A) trip protection rated 3000A at 600V AC. Frame size: 3000A. Interrupting capacity: 100kA@240V, 65kA@480V, 25kA@600V. Designed for reliable overcurrent protection in industrial and commercial power distribution systems.
Applications
Suitable for main distribution panels, motor control centers, switchboards, and feeder circuit protection in industrial facilities, data centers, and commercial buildings. Compliant with UL 489, CSA C22.2 No.5, IEC/EN 60947-2, NOM, CCC, CE.
