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Siemens BQ2B02500S01 - Molded Case Breaker 25A 2-Pole

Siemens
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Siemens BQ2B02500S01 is a 2-pole, 25A molded case circuit breaker from the BQ Series, designed for thermal-magnetic overcurrent protection with LI (long-time and instantaneous) trip functions. It operates at 240V AC, single-phase, with a 10kA@240V interrupting capacity, and includes a non-interchangeable 120V shunt trip for remote disconnection. This bolt-on breaker weighs 1.08 lb, accepts wire sizes from 8 AWG to 2 AWG (Al) or 4 AWG (Cu) via lug terminals, and is rated for ambient temperatures from -13°F to 158°F (-25°C to 70°C). It is UL Listed, CSA certified, and HACR rated, compliant with industry standards for use in Siemens panelboards. Typical applications include industrial and commercial power distribution systems requiring reliable branch circuit protection with shunt trip capability.

Key Features & Specifications
  • Type: Molded Case, BQ Series, thermal-magnetic, bolt-on, with non-interchangeable 120V shunt trip
  • Voltage Rating: 240V AC
  • Current Rating: 25A
  • Dimensions: Frame size 125A/BQ
  • Standards: UL Listed, CSA, HACR Rated
  • Applications: Industrial and commercial power distribution, Siemens panelboards
  • Switch Type: Shunt Trip
  • Configuration: 2-pole, 1-phase
  • Coil Voltage Maximum: 120V
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 25A
  • AIC rating: 10kA@240V
  • Connection: Bolt-on
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 125A/BQ
  • Trip Type: Thermal-magnetic
  • Panel Type: Siemens Panelboards
  • Breaker Type: Shunt Trip
  • Control Voltage Minimum: 120V
  • Control Voltage Maximum: 120V
  • MCM Size: Min. Wire Size 8 AWG, Max. Wire Size 2 AWG (Al), 4 AWG (Cu)
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-on
  • Hz: 50/60 Hz (assumed)
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: 120V
  • Wire: Not specified
  • Amperage Maximum: 25A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Shunt Trip
  • Wire Size: 8 AWG to 2 AWG (Al), 4 AWG (Cu)
  • Certification: CSA, HACR, UL
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz (assumed)
  • Phase Connection: Single-phase
  • Standards: HACR Rated, UL Listed
  • Compatible Frames: BQ Series
  • Installation Type: Bolt-on
  • 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: 783643088726
  • GTIN: 00783643088726