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Siemens D140 - QD Series 40A 1-Pole Circuit Breaker

Siemens
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Siemens D140 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed in a compact plug-in configuration measuring 2.756" x 2.756" x 0.787" and weighing 0.243 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, achieving a 10kA interrupting capacity, and is manufactured as part of the QD series to meet industrial safety standards for equipment protection.

Key Features & Specifications
  • Type: QD Series Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 2.756" H x 2.756" W x 0.787" D (70mm x 70mm x 20mm)
  • Standards: Industrial Safety Standards for Equipment Protection
  • Applications: Single-Phase Equipment and Panel Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 40A
  • AIC Rating: 10kA
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 0.243 lb


Product Identification
  • UPC: 078364323965
  • GTIN: 00718205661406