Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip
Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip
Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip
Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip
Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip
Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip

Cutler Hammer BR120ST - 20A Circuit Breaker with 120V Shunt Trip

Cutler Hammer
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The Cutler Hammer BR120ST is a single-pole, plug-in molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for 120V branch circuits. It features a 20A current rating and a 240V AC voltage rating, with a 10kA interrupting capacity at 240V to safely clear high-level faults. The compact unit measures 2.5 x 2 x 1 inches, is constructed with a thermal-magnetic trip mechanism for both long-time delay and instantaneous (LI) protection, and operates within a temperature range of -25 to 70 °C. It complies with UL 489 and Federal Specification W-C375 standards, ensuring suitability for commercial and light industrial electrical panels. Typical applications include protecting feeders and branch circuits wired with conductors from AWG 14 to AWG 4, and it includes an integrated 120V shunt trip for remote tripping capability.

Key Features & Specifications
  • Type: BR Series, Molded Case, Thermal-Magnetic Protection with LI (Long-Time & Instantaneous) Trip
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 2.5 in (L) x 2 in (H) x 1 in (W)
  • Standards: UL 489, Federal Specifications Classification W-C375
  • Applications: Commercial & Light Industrial Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Wire Size: AWG 14 to AWG 4 (Copper/Aluminum)
  • Certification: UL 489, Federal Specifications Classification W-C375
  • Additional Info: Includes 120V Shunt Trip
  • Weight: 0.3 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786676000161
  • GTIN: 00786676000161