Siemens CQD140 - Molded Case Circuit Breaker 40A 277V 1P
Siemens CQD140 - Molded Case Circuit Breaker 40A 277V 1P

Siemens CQD140 - Molded Case Circuit Breaker 40A 277V 1P

Siemens
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Siemens CQD140 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase industrial and commercial electrical systems. It features a 40A current rating and a 277V AC voltage rating, housed within a compact, feed-thru connection design. The breaker utilizes a thermal-magnetic trip unit with long-time and instantaneous (LI) functions and is constructed to operate in temperatures from -25 to 70 °C. It is UL Listed and offers an interrupting capacity of 14kA at 277V AC, making it suitable for applications such as panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, CQD Series
  • Voltage Rating: 277V AC
  • Current Rating: 40A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 14kA @ 277V AC
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Trip Type: Thermal-Magnetic
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Certification: UL Listed
  • Frame: CQD
  • Weight: 0.65 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643277526
  • GTIN: 00783643277526