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Siemens NNX3B120L - Molded Case Breaker 1200A 600V 3-Pole

Siemens
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Siemens NNX3B120L is a molded case circuit breaker designed for primary protection of electrical circuits against overloads and short circuits. This 3-pole unit is rated for 600V AC, 1200A continuous current, and delivers a 35kA interrupting capacity at 480V AC, utilizing a thermal magnetic trip mechanism for reliable long-time and instantaneous protection. The breaker features a feed-thru connection configuration, weighs 65 lb, and is part of the VL Series with an NNX frame type, supporting 3-phase systems. It complies with industry standards for industrial power distribution and motor control applications. This breaker is typically used in switchboards, panelboards, and industrial machinery requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, VL Series, NNX Frame
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 35kA@480V
  • Connection: Feed-Thru
  • Weight: 65 lb
  • Standards: Industry standard for industrial applications
  • Applications: Switchboards, panelboards, industrial machinery


Product Identification
  • UPC: 078364361340