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Siemens MBK100A - Molded Case Circuit Breaker 100A 2-Pole (22kA AIC)

Siemens
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Siemens MBK100A is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 100A current rating and a 240V AC voltage rating, housed within a compact, durable enclosure measuring 4.331" x 5.512" x 3.543" and weighing 0.705 lb. The breaker utilizes a thermal-magnetic trip mechanism for combined long-time and instantaneous (LI) protection functions, ensuring compliance with industry standards for safety and performance. Its 22kA interrupting rating at 240V and DIN rail mounting configuration make it suitable for a wide range of single-phase applications, including panelboards, switchboards, and control panels, where it protects conductors sized from 4 AWG to 3/0 AWG for both copper and aluminum.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, LI (Long-Time & Instantaneous) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Dimensions: 4.331" H x 5.512" W x 3.543" D (110mm x 140mm x 90mm)
  • Standards: Designed to meet applicable industry safety and performance standards
  • Applications: Industrial panelboards, commercial switchgear, motor control centers, and power distribution
  • Phase: 1
  • AIC Rating: 22kA @ 240V AC
  • Connection: DIN Rail Mount
  • Poles: 2
  • Protection: Thermal-Magnetic
  • Functions: Long-Time and Instantaneous Overcurrent Protection
  • Wire Size: 4 AWG to 3/0 AWG (Copper or Aluminum)
  • Weight: 0.705 lb (0.32 kg)


Product Identification
  • UPC: 783643387980
  • GTIN: 00783643387980