Square D PowerPact HJA26040 H-Frame 2P 40A MCCB I-Line
150A Frame | 40A | 2P | 100kA@240V, 65kA@480V, 25kA@600V | Thermal-Magnetic (Fixed)
Engineered for demanding electrical systems, the Square D PowerPact HJA26040 is a H-Frame 40A 2-pole molded case circuit breaker with extra-high interrupting capacity. Rated at 100kA@240V, 65kA@480V, 25kA@600V and operating at 600V AC / 250V DC, it provides reliable and consistent protection for power distribution infrastructure applications. 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 HJA26040 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 3.00" W x 5.17" D weighing ~6 lbs, optimizing installation density in electrical distribution equipment. UL 489 listed and CSA C22.2 No.5 certified, the HJA26040 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 H-Frame frame-class protection capabilities. Backed by Schneider Electric's global expertise in power distribution solutions, the HJA26040 ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
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.
