Square D PowerPact JJA36250 J-Frame 3P 250A MCCB I-Line
250A Frame | 250A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Thermal-Magnetic (Adjustable)
Schneider Electric offers the Square D PowerPact JJA36250, a premium J-Frame 3-pole molded case circuit breaker delivering 250-ampere protection for critical electrical infrastructure and power distribution. With extra-high interrupting capacity of 100kA@240V, 65kA@480V, 25kA@600V, this MCCB operates at 600V AC / 250V DC to provide comprehensive and dependable circuit protection. This breaker incorporates a factory-calibrated TMD (Thermal-Magnetic) trip unit providing both thermal overload and instantaneous magnetic short-circuit protection. The J-Frame platform's proven trip mechanism ensures reliable operation with consistent and repeatable protection characteristics for dependable circuit protection throughout the breaker's entire service life. Configured for i-line plug-on installation, the JJA36250 utilizes i-line plug-on connections with I-Line Bus Connection terminations designed for reliable conductor termination. The unit accommodates 3/0-350 kcmil Al/Cu conductors within compact overall dimensions of 9.70" H x 4.50" W x 5.17" D weighing ~13 lbs, optimizing installation density in electrical distribution equipment. Compliant with UL 489, CSA C22.2 No.5, and IEC/EN 60947-2 international standards, the JJA36250 carries multiple certifications for worldwide acceptance and specification. Ideal for commercial buildings, industrial facilities, data centers, healthcare facilities, and critical infrastructure power distribution requiring reliable 250A 3-pole overcurrent protection. The JJA36250 exemplifies Schneider Electric's PowerPact platform engineering excellence, delivering consistent protection performance with robust construction designed for long service life in demanding environments.
Key Features
This PowerPact MCCB features Thermal-Magnetic (Adjustable) trip protection rated 250A at 600V AC / 250V DC. Frame size: 250A. 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.