Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker
Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker

Siemens B245 - 45A 2-Pole Thermal Magnetic Circuit Breaker

Siemens
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Siemens B245 is a 2-pole molded case circuit breaker designed for overcurrent protection in residential and commercial electrical systems. It features a 45A current rating, 120/240V voltage rating, and a 10kA interrupting capacity at 240V, with a thermal magnetic trip unit providing long-time and instantaneous protection. The breaker measures 2.571 x 2.00 x 2.89 inches, weighs 0.639 lb, and uses a bolt-on connection with lug terminals, accepting wire sizes from 14 AWG (Cu) to 10 AWG (Al/Cu). It is CSA certified, HACR rated, NOM certified, and UL listed, and operates within a temperature range of -13°F to 158°F (-25°C to 70°C). This standard breaker is suitable for use in Siemens P1 panelboards and single-phase applications.

Key Features & Specifications
  • Type: BL
  • Amperage: 45 Amps
  • Voltage: 120/240 VAC
  • Poles: 2
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10,000 A
  • Trip Unit: Thermal Magnetic
  • Series/Frame: B-Frame
  • Certifications: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Dimensions: 2.571 x 2.00 x 2.89 inch
  • Weight: 0.639 lb
  • Wire Size: Min. 14 AWG (Cu), 12 AWG (Al); Max. 10 AWG
  • Terminal Connection: Lug
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: 125A/BL
  • Panel Type: Siemens P1 Panelboards
  • Phase: 1
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643263581
  • GTIN: 00783643263581