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Square D NC50NQVF - Molded Case Breaker 50A 600V (3-Pole)

Square D
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Square D NC50NQVF is a heavy-duty industrial circuit breaker designed for overcurrent protection in power distribution systems. This unit is rated for 600V AC and 50A continuous current, housed in a robust molded case with a compact frame size for panelboard installation. Constructed with a thermal-magnetic trip mechanism, it features a 3-pole configuration and a 65kAIC at 480V interrupting capacity, ensuring reliable fault interruption. The breaker complies with UL 489 and CSA C22.2 standards, making it suitable for commercial and industrial environments requiring high short-circuit withstand. Typical applications include motor control centers, lighting panels, and feeder circuits in manufacturing plants and data centers.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: Standard Square D NQ frame size
  • Standards: UL 489, CSA C22.2
  • Applications: Power distribution, motor control, feeder protection
  • Switch Type: Toggle handle
  • Configuration: 3-pole, 3-phase
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6.5 x 4.5 x 3.5 inches
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 50A
  • AIC rating: 65kA at 480V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Overload and fault interruption
  • Frame Size: NQ
  • Trip Type: Thermal-magnetic
  • Panel Type: NQ panelboard
  • Breaker Type: NC
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Molded case plastic and copper
  • Panel Style: NQ
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • 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: Panelboard plug-in
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 50 HP at 480V
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 50A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 50A
  • Full Load Amp Minimum: 50A
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 50A
  • Amperage Minimum: 50A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-in
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: NQ panelboards
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: NQ
  • Current Rating: 50A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: 078590192122
  • GTIN: 0078590192122