Square D PowerPact JJA36175 J-Frame 3P 175A MCCB I-Line
250A Frame | 175A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Thermal-Magnetic (Adjustable)
The Schneider Electric Square D PowerPact JJA36175 is a J-Frame molded case circuit breaker rated at 175 amperes for 3-pole applications in commercial and industrial power distribution systems. This premium breaker delivers extra-high interrupting capacity rated at 100kA@240V, 65kA@480V, 25kA@600V, operating at 600V AC / 250V DC for reliable overcurrent protection in critical electrical infrastructure. Featuring a TMD (Thermal-Magnetic) trip unit, the JJA36175 delivers dependable thermal overload and magnetic short-circuit protection for continuous operation. The fixed trip characteristics are factory-calibrated for optimal protection performance, providing reliable overcurrent sensing and fast fault interruption across the full range of anticipated operating conditions. The JJA36175 features i-line plug-on configuration with i-line plug-on connections and I-Line Bus Connection terminations for straightforward installation. Accepting 4-4/0 AWG Al/Cu conductors, this breaker measures 9.70" H x 4.50" W x 5.17" D and weighs ~13 lbs, providing a compact footprint for space-efficient installation in panelboards, switchboards, and motor control centers. UL 489 listed and CSA C22.2 No.5 certified, the JJA36175 meets IEC/EN 60947-2 international standards for global project specification and acceptance. Applications include feeder circuit protection, branch circuit protection, motor control center installations, panelboard and switchboard applications, and industrial power distribution systems requiring J-Frame frame-class protection capabilities. As part of the proven PowerPact family, the JJA36175 delivers dependable protection backed by Schneider Electric's extensive global engineering heritage and comprehensive industry-leading technical support resources.
Key Features
This PowerPact MCCB features Thermal-Magnetic (Adjustable) trip protection rated 175A 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.
