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Siemens L3B225 - Molded Case 600V 225A 3-Pole Breaker

Siemens
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The Siemens L3B225 is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions, rated for 600V AC and 225A continuous current. This 40 lb unit features a compact molded case construction for panelboard mounting, with a 3-phase configuration suitable for high-capacity branch circuits. It complies with UL and NEMA standards for industrial electrical safety and reliability. Typical applications include motor control centers, switchboards, and main distribution panels in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 40 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, motor control centers, switchboards
  • Circuit Breaker Mounting Style: Panelboard
  • Terminal Connection: Standard lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Breaker Frame: L3B
  • Installation Type: Fixed
  • Item QTY: 1
  • Enclosure: Open (without enclosure)


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