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Square D QO250VH - 50A 2-Pole High Interrupting Breaker

Square D
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The Square D QO250VH is a 2-pole, 50A molded case circuit breaker from the QO Series, designed to provide overcurrent protection for residential and commercial electrical systems. It operates at 120/240V with a high interrupting capacity of 22kA at 120V, utilizing a thermal magnetic protection mechanism for LI (Long-Time and Instantaneous) functions. This plug-in breaker measures 3.1 in (79 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (H x W x D), weighs 0.72 lb, and features lug terminals accepting wire sizes from 8 AWG to 2 AWG. It is UL Listed and CSA certified, compatible with QO Load Centers and NQ Panelboards, and manufactured by Schneider Electric in Mexico. Typical industrial applications include branch circuit protection in lighting, appliance, and motor control panels within single-phase systems.

Key Features & Specifications
  • Type: QO Molded Case Circuit Breaker
  • Voltage Rating: 120/240V
  • Current Rating: 50A
  • Dimensions: 3.1 in (79 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: CSA, UL Listed
  • Applications: Branch circuit protection in lighting, appliance, and motor control panels
  • Switch Type: Toggle
  • Configuration: 2-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 120/240V
  • Amperage: 50A
  • AIC rating: 22kA@120V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ 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
  • 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 specified
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Plug-In
  • Hz: 60 Hz (typical for QO series)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • 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: 50A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: 8 AWG to 2 AWG
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-Phase
  • Standards: CSA, UL Listed
  • Compatible Frames: 100A/QO
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100A/QO
  • Current Rating: 50A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901054962
  • GTIN: 00785901054962