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Siemens BQ2B025 - Molded Case 25A 2-Pole Breaker

Siemens
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Siemens BQ2B025 is a 2-pole, 25A molded case circuit breaker designed for thermal-magnetic overcurrent protection in residential and light commercial applications. It operates at 120/240V AC with a 10kA interrupting capacity at 240V, providing LI (long-time and instantaneous) trip functions for reliable fault clearance. The unit features a compact bolt-on design measuring 2.571 x 2.00 x 3.736 inches, weighing 0.617 lb, with lug terminals accepting wire sizes from 14 AWG (Cu) to 6 AWG (Al/Cu). It is UL Listed, CSA certified, and HACR rated, compliant with industry standards for use in Siemens panelboards. This breaker is suited for branch circuit protection in lighting, appliance, and general-purpose loads within single-phase systems.

Key Features & Specifications
  • Type: BQ Series, Molded Case, Standard Breaker
  • Voltage Rating: 120/240V AC
  • Current Rating: 25A
  • Dimensions: 2.571 x 2.00 x 3.736 inch
  • Standards: HACR Rated, UL Listed, CSA Certified
  • Applications: Branch circuit protection in Siemens panelboards for lighting, appliances, and general loads
  • Switch Type: Thermal Magnetic
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 120/240V
  • Amperage: 25A
  • AIC rating: 10kA@240V
  • Connection: Bolt-on
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: 125A/BQ
  • Trip Type: Thermal Magnetic
  • Panel Type: Siemens Panelboards
  • Breaker Type: Standard
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu) Max. Wire Size 6 AWG
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Bolt-on
  • Hz: 50/60 Hz (assumed)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 25A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: 14 AWG (Cu) to 6 AWG (Al/Cu)
  • Certification: CSA, HACR, UL
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz (assumed)
  • Phase Connection: 1-Phase
  • Standards: HACR Rated, UL Listed
  • Compatible Frames: 125A/BQ
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/BQ
  • Current Rating: 25A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 783643161191
  • GTIN: 00783643161191