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Siemens BQ3B070H - High Interrupting Capacity 70A 3-Pole Breaker

Siemens
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Siemens BQ3B070H is a high interrupting capacity molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. This 3-pole, 70A breaker operates at 240V with a 22kA interrupting capacity, providing long time and instantaneous trip functions for reliable overcurrent protection. The unit features a compact 125A/BQH frame size measuring 2.756 x 2.756 x 3.937 inches, weighing 1.146 lb, with bolt-on connection and lug terminals accepting wire sizes from 8 AWG to 2 AWG (Al) or 4 AWG (Cu). It is UL Listed, CSA certified, and HACR rated, compliant with industry standards for use in Siemens panelboards. This breaker is suitable for 3-phase applications in commercial and industrial environments, operating within a temperature range of -13°F to 158°F (-25°C to 70°C).

Key Features & Specifications
  • Type: BQH Molded Case Circuit Breaker, High Interrupting Capacity, Thermal Magnetic Protection
  • Voltage Rating: 240V
  • Current Rating: 70A
  • Dimensions: 2.756 x 2.756 x 3.937 inch
  • Standards: UL Listed, CSA, HACR Rated
  • Applications: Industrial power distribution, Siemens panelboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: N/A
  • Phase: 3
  • Voltage: 240V
  • Amperage: 70A
  • AIC rating: 22kA@240V
  • Connection: Bolt-on
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/BQH
  • Trip Type: Thermal Magnetic
  • Panel Type: Siemens Panelboards
  • Breaker Type: High Interrupting Capacity
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: Min. Wire Size 8 AWG Max. Wire Size 2 AWG (Al), 4 AWG (Cu)
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Bolt-on
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 70A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • 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: N/A
  • Phase Connection: 3-Phase
  • Standards: HACR Rated, UL Listed
  • Compatible Frames: 125A/BQH
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: 125A/BQH
  • Current Rating: 70A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 783643161733
  • GTIN: 00783643161733