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Cutler Hammer QC3040H - 3-Pole Thermal Magnetic Breaker 40A 240V

Cutler Hammer
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Cutler Hammer QC3040H is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed within a compact, durable frame measuring 3.8 in (L) x 4.9 in (H) x 3.1 in (W) and weighing 1.2 lb. The breaker is UL Listed and CSA Certified, ensuring compliance with North American safety standards for industrial applications such as panelboards and motor control centers. Its thermal-magnetic protection mechanism combines long-time delay and instantaneous tripping functions (LI) to safeguard against both overloads and short circuits with an interrupting capacity of 10kA at 240V.

Key Features & Specifications
  • Type: QC Series, Molded Case, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 3.8 in (Length/Depth) x 4.9 in (Height) x 3.1 in (Width)
  • Standards: UL Listed, CSA Certified
  • Applications: Industrial panelboards, motor control centers, and distribution equipment
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 1.2 lb
  • Country of Origin: Dominican Republic
  • Family: QUICKLAG


Product Identification
  • UPC: 786679240144
  • GTIN: 00786679240144