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Siemens JJ3F400 - Molded Case 400A 600V 3-Pole

Siemens
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Siemens JJ3F400 is a 400A, 600V, 3-pole molded case circuit breaker designed for overcurrent protection in low voltage industrial applications. It features a JJ frame type with a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions and a standard interrupt rating of 25kA at 480V. This bolt-on mounted unit weighs 22 lb and is supplied as a frame only, meaning no lugs or trip unit are included with the frame. The breaker complies with industry standards for low voltage distribution systems and is suitable for use in panelboards, switchboards, and motor control centers requiring a 3-phase, 600VAC rated device.

Key Features & Specifications
  • Type: Molded Case
  • Family: JJ Frame
  • Type: JJ
  • Weight: 22 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 400A
  • Amperage: 400 amps
  • Mounting Type: Bolt-On
  • Interrupt Rating: 25kA at 480V
  • Frame Type: JJ
  • Trip Unit: Thermal Magnetic