Default product image

Square D QOUQ245 - 2-Pole 45A Miniature Circuit Breaker (120/240VAC)

Square D
Price
Save $-64.89
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D QOUQ245 is a 2-pole, 45-amp miniature circuit breaker designed for overload and short-circuit protection in Square D QO load centers and panelboards. It operates at 120/240 VAC with a 10 kAIC interrupting rating and accepts wire sizes from AWG 14 to AWG 2 (aluminum/copper). The unit measures 4.05 in (102.87 mm) in height, 1.5 in (38.1 mm) in width, and 2.95 in (74.93 mm) in depth, weighing 0.77 lb, and features a compact, plug-on construction for easy installation. This breaker is UL listed and CSA certified, meeting industry standards for residential and light commercial electrical distribution systems. Typical applications include branch circuit protection in lighting, appliance, and general-purpose power panels.

Key Features & Specifications
  • Type: Miniature circuit breaker, thermal-magnetic trip, plug-on mounting
  • Voltage Rating: 120/240 VAC
  • Current Rating: 45 A
  • Dimensions: 4.05 in (102.87 mm) x 1.5 in (38.1 mm) x 2.95 in (74.93 mm) (H x W x D)
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection in QO load centers and panelboards
  • Switch Type: Toggle
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.05 in x 1.5 in x 2.95 in
  • Phase: 1-phase
  • Voltage: 120/240 VAC
  • Amperage: 45 A
  • AIC rating: 10 kAIC at 240 VAC
  • Connection: Plug-on
  • Poles: 2
  • Protection: Overload and short-circuit
  • Functions: Circuit protection
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: Miniature circuit breaker
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper/aluminum
  • Panel Style: QO
  • Bus Type: Plug-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 75°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 45 A
  • Dist Voltage: 120/240 VAC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 45 A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open (for panelboard installation)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14...AWG 2
  • Amperage Maximum: 45 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: AWG 14...AWG 2
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw-type
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 45 A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not provided
  • GTIN: Not provided