Square D PowerPact HJA36040 H-Frame 3P 40A MCCB I-Line
150A Frame | 40A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Thermal-Magnetic (Fixed)
The Schneider Electric Square D PowerPact HJA36040 is a H-Frame molded case circuit breaker rated at 40 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. This breaker incorporates a factory-calibrated TMD (Thermal-Magnetic) trip unit providing both thermal overload and instantaneous magnetic short-circuit protection. The H-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 HJA36040 utilizes i-line plug-on connections with I-Line Bus Connection terminations designed for reliable conductor termination. The unit accommodates 14-3/0 AWG Al/Cu conductors within compact overall dimensions of 9.70" H x 4.50" W x 5.17" D weighing ~8 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 HJA36040 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 40A 3-pole overcurrent protection. As part of the proven PowerPact family, the HJA36040 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 (Fixed) trip protection rated 40A at 600V AC / 250V DC. Frame size: 150A. 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.
