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Siemens JD23B400 - Molded Case 400A 3-Pole (240V)

Siemens
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Siemens JD23B400 Circuit Breaker - Molded Case 400A 3-Pole (240V Thermal Magnetic) The Siemens JD23B400 is a 3-pole molded case circuit breaker from the Sentron Series, designed for overcurrent protection in industrial and commercial power distribution systems. It features a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) protection functions, rated at 400 amps and 240 volts AC, with a high interrupting capacity of 65kA at 240V. This bolt-on mounted breaker weighs 20 lb and is built on the JD frame, operating within a temperature range of -13°F to 158°F (-25°C to 70°C). It complies with RoHS standards and holds UL and IEC certifications, ensuring reliable performance in demanding environments. Typical applications include switchboards, panelboards, and motor control centers requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Siemens
  • Model: JD23B400
  • Family: Sentron Series
  • Poles: 3
  • Current Rating: 400A
  • Voltage Rating: 240V AC
  • Frame Size: JD Frame
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA @ 240V
  • Phase: 3
  • Weight: 20 lb
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Standards: RoHS
  • Certification: UL, IEC
  • Application: Industrial, Commercial
  • Load Side: Lug Terminals


Part Number: JD23B400