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Siemens BQ3B030H - Molded Case Breaker 30A 240V

Siemens
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Siemens BQ3B030H is a high interrupting capacity molded case circuit breaker designed for overcurrent protection in Siemens panelboards. This three-pole, 30A breaker operates at 240V with a 22kA interrupting capacity, utilizing thermal magnetic protection for long-time and instantaneous trip functions. The unit measures 2.756 x 2.756 x 3.937 inches, weighs 1.102 lb, and features a bolt-on connection with 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 industrial and commercial applications. Typical uses include Siemens panelboards in manufacturing facilities, commercial buildings, and electrical distribution systems requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: BQH Molded Case Circuit Breaker, High Interrupting Capacity
  • Voltage Rating: 240V
  • Current Rating: 30A
  • Dimensions: 2.756 x 2.756 x 3.937 inch
  • Standards: HACR Rated, UL Listed, CSA Certified
  • Applications: Siemens Panelboards, Industrial and Commercial Electrical Distribution
  • Switch Type: Thermal Magnetic
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: 2.756 x 2.756 x 3.937 inch
  • Phase: 3
  • Voltage: 240V
  • Amperage: 30A
  • 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: Not applicable
  • Control Voltage Maximum: Not applicable
  • 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 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: 60 Hz (typical)
  • 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: 30A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: 8 AWG to 2 AWG (Al), 4 AWG (Cu)
  • Certification: UL, CSA, HACR
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: BQH 125A Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/BQH
  • Current Rating: 30A
  • 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: 783643161696
  • GTIN: 00783643161696