Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)
Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)

Siemens B240 - 40A 2-Pole Circuit Breaker (10kA AIC)

Siemens
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Siemens B240 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 40A current rating and a 120/240V AC voltage rating, housed within a compact, bolt-on design measuring 2.571" x 2.00" x 2.89" and weighing 0.639 lb. The breaker is constructed with thermal-magnetic trip protection for both long-time delay and instantaneous tripping functions, ensuring compliance with key industry standards including UL, CSA, HACR, and NOM. Its 10kA interrupting rating at 240V and compatibility with Siemens P1 panelboards make it suitable for a range of commercial and light industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Standard, Bolt-on Connection
  • Voltage Rating: 120/240V AC
  • Current Rating: 40A
  • Frame Size: 125A/BL
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Connection: Bolt-on, Lug Terminal
  • Panel Type: Siemens P1 Panelboards
  • Standards & Certification: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Dimensions: 2.571" x 2.00" x 2.89" (65.3mm x 50.8mm x 73.4mm)
  • Weight: 0.639 lb (0.29 kg)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size / Wire Range: Min: 12 AWG (Al) / 14 AWG (Cu), Max: 10 AWG
  • Family: BL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643263574
  • GTIN: 00783643263574