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Challenger CH1020 - Molded Case 20A 1-Pole Breaker (277V)

Challenger
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The Challenger CH1020 is a single-pole molded case circuit breaker designed for overcurrent and short-circuit protection in electrical distribution systems. It features a 20A current rating, a 277V voltage rating, and utilizes a thermal magnetic, non-interchangeable trip unit for dependable operation. Weighing 0.54 lb, this bolt-on breaker is built for durability and operates at a frequency of 50/60Hz with a 40°C ambient temperature rating. It is HACR rated and carries a 14kA interrupt capacity at 277VAC, meeting industry standards for safety and performance. This breaker is suitable for commercial and industrial applications, including use in heating, air conditioning, and refrigeration equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Challenger
  • Model: CH1020
  • Poles: 1
  • Phase: 1
  • Current Rating: 20A
  • Voltage Rating: 277V
  • Protection: Thermal Magnetic
  • Mounting Type: Bolt-On
  • Interrupt Rating: 14kA @ 277VAC
  • Series/Frame: CH
  • Trip Unit: Fixed, Non-Interchangeable
  • Weight: 0.54 lb
  • Frequency: 50/60Hz
  • Operating Temperature: 40°C
  • Certifications: HACR Rated