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Square D QO B-150 - Type B 150A Circuit Breaker

Ridgid Tool
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Condition
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The Square D QO Series B-150 is a Type B miniature circuit breaker designed for overload and short-circuit protection in residential and commercial load centers. It is rated for 120/240 VAC at 150 amps, providing reliable branch circuit protection with a compact, plug-on design for easy installation. Constructed with a thermoplastic housing and copper alloy contacts, this single-pole breaker features a thermal-magnetic trip mechanism for precise current interruption. The unit complies with UL 489 and CSA C22.2 standards, ensuring safe operation in panelboards and meter combos. Typical applications include main breaker panels, subpanels, and lighting control systems requiring high-amperage protection.

Key Features & Specifications
  • Type: B
  • Voltage Rating: 120/240 VAC
  • Current Rating: 150 A
  • Dimensions: 3.0 in H x 1.0 in W x 2.9 in D
  • Standards: UL 489, CSA C22.2
  • Applications: Main breaker panels, subpanels, lighting control
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: 40°C
  • Shipping Dimensions: 4.0 in H x 2.0 in W x 3.5 in D
  • Phase: 1
  • Voltage: 120/240 VAC
  • Amperage: 150 A
  • AIC rating: 10 kAIC @ 120/240 VAC
  • Connection: Plug-on
  • Poles: 1
  • Protection: Overload and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: 150 A
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: Miniature circuit breaker
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Copper alloy
  • Panel Style: Plug-on
  • Bus Type: Tin-plated copper
  • Fuse Class: N/A
  • Insulation Temperature: 75°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: 1.0 in
  • Clas: N/A
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: No
  • CPT: No
  • Full Load Amps: 150 A
  • Dist Voltage: 120/240 VAC
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 150 A
  • Full Load Amp Minimum: 150 A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 150 A
  • Amperage Minimum: 150 A
  • Nema Rating: N/A
  • Switch Style: Toggle
  • Wire Size: #6 AWG - #2/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: 150 A
  • Current Rating: 150 A
  • 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: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 783126029123
  • GTIN: 00783126029123