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ABB THQB1125ST1 - Circuit Breaker 25A 1-Pole 120V

ABB
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ABB THQB1125ST1 is a single-pole miniature circuit breaker designed for overcurrent protection in branch circuits. It is rated for 25 A at 120 Vac with a 10 kA interrupting capacity, utilizing a thermal-magnetic trip mechanism for LI (long-time and instantaneous) protection. The unit features a bolt-on mounting style and accepts copper or aluminum wire from 14-8 kcmil (Cu) and 12-8 kcmil (Al). This breaker complies with HACR-rated standards for heating, air conditioning, and refrigeration applications. It is suitable for use in industrial and commercial electrical distribution panels requiring single-phase, 120 Vac protection.

Key Features & Specifications
  • Type: Miniature Circuit Breaker
  • Manufacturer: ABB
  • Part Number: THQB1125ST1
  • Amperage: 25 A
  • Poles: 1
  • Phase: 1
  • System Voltage: 120 Vac
  • Interrupting Rating: 10 kA at 120 Vac
  • Trip Function: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal-Magnetic
  • Mounting: Bolt-On
  • Wire Range (Cu/Al): 14-8 kcmil / 12-8 kcmil
  • Special Markings: HACR