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Square D KCL341251021 - Molded Case Circuit Breaker 125A 480V 3-Pole

Square D
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Square D KCL341251021 is a 3-pole thermal magnetic molded case circuit breaker from the KCL Series, designed for overcurrent protection in industrial power distribution systems. It is rated for 125 amps at 480 volts with a high interrupting capacity of 65kA at 480V, and features LI (Long-Time and Instantaneous) trip functions for precise fault response. This feed-thru mounted breaker weighs 11 lb, supports 3-phase applications, and is complete with a 120/240Vac shunt trip for remote tripping capability. It is UL Listed and CSA Certified, meeting rigorous safety and performance standards. Typical applications include motor control centers, panelboards, and switchboards requiring reliable thermal magnetic protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: KCL341251021
  • Type: KCL
  • Item Subcategory: Molded Case
  • Family: KCL Series
  • Poles: 3
  • Current Rating: 125A
  • Voltage Rating: 480V
  • Interrupt Rating: 65kA @ 480V
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: Feed-Thru
  • Phase: 3
  • Weight: 11 lb
  • Additional Info: complete with 120/240Vac shunt trip
  • Certifications: UL Listed, CSA Certified