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Cutler Hammer BR2100ST - 100A 2-Pole Circuit Breaker with Shunt Trip

Cutler Hammer
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Cutler Hammer BR2100ST is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase 240V AC electrical systems. It features a 100A current rating and a 10kA interrupting capacity at 240V, housed in a compact 3.25" x 3" x 3" plug-in unit with a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection. This two-pole breaker is constructed to accept wire sizes from 4 to 1/0 AWG for aluminum or copper conductors and complies with UL 489 and Federal Specification W-C375 standards. It is typically applied in industrial and commercial panelboards, with the integrated 120V shunt trip accessory enabling remote tripping capabilities for enhanced system control.

Key Features & Specifications
  • Type: BR Series, Molded Case, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Dimensions: 3.25 in (Depth) x 3 in (Height) x 3 in (Width)
  • Standards: UL 489, Federal Specifications Classification W-C375
  • Applications: Industrial and Commercial Electrical Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • AIC rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Wire Size: 4 TO 1/0 AWG (ALUMINUM/COPPER)
  • Certification: UL 489, Federal Specifications Classification W-C375
  • Additional Info: Complete with 120V Shunt Trip
  • Weight: 1.4 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786676000406
  • GTIN: 00786676000406