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Cutler Hammer CHF240ST - 40A 2-Pole Plug-In Circuit Breaker

Cutler Hammer
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The Cutler Hammer CHF240ST is a 2-pole, plug-in molded case circuit breaker providing reliable thermal-magnetic protection for 40A, 240V AC single-phase branch circuits. It features a compact design measuring 3.563" x 6" x 3.5" (LxHxW) and a weight of 0.75 lb, engineered with long-time and instantaneous trip functions for overload and short-circuit protection. This unit is UL 489 listed and HACR rated, ensuring compliance with industry safety standards for heating, air conditioning, and refrigeration equipment. Its 10kA interrupting rating at 240V and compatibility with 14 to 2 AWG copper or aluminum conductors make it suitable for a range of commercial and light industrial panelboard applications.

Key Features & Specifications
  • Type: CH Series, Molded Case, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 3.563 in (Depth) x 6 in (Height) x 3.5 in (Width)
  • Standards: UL Listed, UL 489, HACR Rated
  • Applications: Branch circuit protection for HVACR and commercial equipment
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 40A
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: 14 to 2 AWG, CU/AL
  • Certification: UL Listed, UL 489, HACR Rated
  • Country of Origin: Dominican Republic
  • Weight: 0.75 lb


Product Identification
  • UPC: 786685708409
  • GTIN: 00786685708409