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Siemens NFK3B225L - Molded Case Circuit Breaker 225A 600VAC

Siemens
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Siemens NFK3B225L is a molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for industrial power distribution systems. It features a 225A current rating and is rated for use on 600VAC/250VDC systems, housed within a robust, compact frame designed for durability in demanding environments. The breaker is constructed to comply with international standards including UL and IEC, ensuring safe operation across various electrical infrastructures. Its typical applications include protecting feeders, motors, and branch circuits within manufacturing plants, data centers, and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Trip
  • Voltage Rating: 600VAC / 250VDC
  • Current Rating: 225A
  • Frame Size: NF Frame
  • Trip Type: Fixed
  • Poles: 3
  • AIC Rating: Typically 65kA at 480VAC (verify for specific configuration)
  • Connection: Front or Rear Connected (dependent on lugs)
  • Standards: UL 489, IEC 60947-2
  • Mounting: Fixed Mount
  • Frequency Rating: 50/60 Hz
  • Operating Temperature: -25°C to +70°C
  • Terminal Connection: Screw-Type
  • Phase: 3-Phase
  • Protection: Overload and Short-Circuit
  • Enclosure: Open, for mounting in suitable enclosures or switchboards
  • Weight: 7 lb


Product Identification
  • UPC: 88762112897
  • GTIN: 00887621128975