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Siemens BQCH3B025 - Molded Case Circuit Breaker 25A 480V 3-Pole

Siemens
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Siemens BQCH3B025 is a 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial electrical systems. It operates at 480V with a 25A current rating and a 14kA interrupting capacity at 480V, utilizing thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The bolt-on connection and 2 lb weight facilitate secure installation in Siemens panelboards, with a compact frame suited for space-constrained environments. This breaker complies with UL and NEMA standards, ensuring reliable performance in demanding applications. Typical uses include branch circuit protection in lighting, motor control centers, and distribution panels within manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, BQCH Series, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 25A
  • Dimensions: Standard BQCH frame size
  • Standards: UL 489, NEMA AB-1
  • Applications: Branch circuit protection in Siemens panelboards, motor control centers, distribution panels
  • Switch Type: Toggle
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.5 x 3.5 x 3.0 inches
  • Phase: 3
  • Voltage: 480V
  • Amperage: 25A
  • AIC rating: 14kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: BQCH
  • Trip Type: Thermal Magnetic
  • Panel Type: Siemens Panelboards
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: Bolt-On
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • 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
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 25A
  • Dist Voltage: 480V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 25A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open type
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 25A
  • Amperage Minimum: 0A
  • Nema Rating: NEMA AB-1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 4 AWG
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Box lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, NEMA AB-1
  • Compatible Frames: Siemens BQCH panelboards
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: BQCH
  • Current Rating: 25A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 783643223486
  • GTIN: 00783643223486