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Square D HJA36125SDYP - Molded Case 125A 600V 3-Pole Breaker

Square D
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Square D HJA36125SDYP is a 125 Amp, 3-pole molded case circuit breaker designed for overcurrent protection in power distribution systems. It operates at 600V AC with a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions, and features a high interrupting capacity of 65kA at 480V AC. This unit weighs 12.5 lb, utilizes an I-Line style plug-in connection for secure mounting, and is complete with a 208/277 VAC shunt trip for remote tripping capability. The breaker complies with UL and CSA certifications, ensuring reliable performance in industrial and commercial electrical panels.

Key Features & Specifications
  • Type: Molded Case
  • Amperage: 125 A
  • Voltage: 600 V AC / 250 V DC
  • Poles: 3
  • Phase: 3-phase
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 65 kA at 480 VAC, 100 kA at 240 VAC
  • Connection: I-Line Style Plug-In
  • Mounting Type: Plug-On
  • Weight: 12.5 lb
  • Additional Info: complete with 208/277 VAC shunt trip
  • Wire Size Range: 14 to 3/0 AWG
  • Frequency: 50/60 Hz
  • Certifications: UL Listed, CSA Certified