Square D PowerPact HDA36125 H-Frame 3P 125A MCCB I-Line
150A Frame | 125A | 3P | 25kA@240V, 18kA@480V, 14kA@600V | Thermal-Magnetic (Fixed)
The Schneider Electric Square D PowerPact HDA36125 is a H-Frame molded case circuit breaker rated at 125 amperes for 3-pole applications in commercial and industrial power distribution systems. This premium breaker delivers standard interrupting capacity rated at 25kA@240V, 18kA@480V, 14kA@600V, operating at 600V AC / 250V DC for reliable overcurrent protection in critical electrical infrastructure. Featuring a TMD (Thermal-Magnetic) trip unit, the HDA36125 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. Configured for i-line plug-on installation, the HDA36125 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. UL 489 listed and CSA C22.2 No.5 certified, the HDA36125 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. The PowerPact HDA36125 represents Schneider Electric's commitment to electrical safety, performance, and reliability in power distribution equipment for professional electrical installations worldwide.
Key Features
This PowerPact MCCB features Thermal-Magnetic (Fixed) trip protection rated 125A at 600V AC / 250V DC. Frame size: 150A. Interrupting capacity: 25kA@240V, 18kA@480V, 14kA@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.