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Cutler Hammer CH2125ST - 125A 2-Pole Thermal Magnetic Circuit Breaker

Cutler Hammer
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The Cutler Hammer CH2125ST is a molded case circuit breaker designed to provide reliable overcurrent protection for single-phase 240V AC electrical circuits. It features a 125A current rating and a 10kA interrupting capacity at 240V, utilizing a thermal-magnetic trip mechanism for both long-time and instantaneous protection. The compact, plug-in unit measures 3.5" x 4.4" x 3.5" (L/D x H x W), weighs 0.9 lb, and is constructed for connection with 10 to 1/0 AWG copper or aluminum conductors. This breaker is UL 489 listed and is commonly applied in industrial panelboards, switchboards, and load centers requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 3.5 in (Depth) x 4.4 in (Height) x 3.5 in (Width)
  • Standards: UL 489
  • Applications: Industrial Panelboards, Switchboards, Load Centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 125A
  • AIC rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: CH
  • Wire Size: 10 - 1/0 AWG Cu/Al
  • Certification: UL 489
  • Weight: 0.9 lb


Product Identification
  • UPC: 782113364308
  • GTIN: 00782113364308