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Cutler Hammer CH370ST - 70A 3-Pole Thermal Magnetic Circuit Breaker

Cutler Hammer
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Cutler Hammer CH370ST is a molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial electrical systems. It features a 70A current rating and a 240V AC voltage rating, housed in a compact CH frame with plug-in connections for simplified installation. The breaker's thermal-magnetic trip unit provides both long-time and instantaneous protection functions, and its robust construction is certified to UL 489 standards for safety and performance. This unit is suitable for a wide range of commercial and industrial panelboard applications, operating effectively in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 70A
  • Frame Size: CH
  • Poles: 3
  • Connection: Plug-In
  • AIC Rating: 10kA @ 240V AC
  • Wire Size: #10 - 1/0 AWG (Copper/Aluminum)
  • Trip Functions: Long Time & Instantaneous
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Certification: UL 489
  • Dimensions: 4.8" L x 3.5" H x 3.5" W (122mm x 89mm x 89mm)
  • Weight: 1.15 lb
  • Phase: 3


Product Identification
  • UPC: 782113328386
  • GTIN: 00782113328386