Square D QO21251021 - Molded Case Breaker 125A 240V
Square D QO21251021 - Molded Case Breaker 125A 240V

Square D QO21251021 - Molded Case Breaker 125A 240V

Square D
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Square D QO21251021 is a 2-pole molded case circuit breaker designed for overcurrent protection in residential and light commercial power distribution systems. It operates at 240V with a 125A current rating and a 10kA interrupting capacity at 240V, utilizing a thermal magnetic trip mechanism for long-time and instantaneous fault response. The unit features a plug-in connection, accepts AWG 4 to AWG 2/0 copper or aluminum wire, and measures 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) with a weight of 1 lb. This breaker complies with industry standards for single-phase applications and is manufactured by Schneider Electric in Mexico. It is typically used in load centers and panelboards for branch circuit protection in industrial and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 240V
  • Current Rating: 125A
  • Dimensions: 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: UL Listed
  • Applications: Branch circuit protection in load centers and panelboards
  • Switch Type: Thermal Magnetic
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: N/A
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 240V
  • Amperage: 125A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: N/A
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • 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: Plug-In
  • 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: AWG 4 to AWG 2/0 Copper or Aluminum
  • Amperage Maximum: 125A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: AWG 4 to AWG 2/0 Copper or Aluminum
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-In
  • Frequency Rating: N/A
  • Phase Connection: Single Phase
  • Standards: UL
  • Compatible Frames: N/A
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 125A
  • 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: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901088189