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Siemens JKL3400F - Molded Case 400A 600V Breaker

Siemens
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Siemens JKL3400F Circuit Breaker is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and 400A continuous current, providing robust interruption capabilities for high-demand electrical circuits. The unit weighs 7 lb and features a compact, rugged construction suitable for panelboard and switchboard installations. This breaker complies with UL 489 and CSA standards, ensuring reliable performance in commercial and industrial environments. It is commonly used in manufacturing facilities, data centers, and large commercial buildings for feeder and main breaker applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Weight: 7 lb
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, feeder protection, main breaker
  • Breaker Type: JKL3400F
  • Frame Size: J-Frame
  • Poles: 3-Pole
  • Trip Type: Thermal-Magnetic
  • Connection: Line and Load Lugs
  • Phase: 3-Phase
  • Frequency Rating: 50/60 Hz
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Copper/Aluminum rated
  • Installation Type: Panelboard/Switchboard
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case