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Schneider Electric NC050 - 50A 1-Pole Stab-Lok Breaker

Federal Pacific
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Schneider Electric Federal Pacific NC050 is a 1-pole molded case circuit breaker from the Stab-Lok family, designed for overcurrent protection in residential and light commercial applications. It is rated for 120V AC with a 50A current capacity and a 10kA interrupting rating at 120V, utilizing a thermal magnetic protection mechanism with LI (Long-Time and Instantaneous) trip functions. The unit features a plug-in connection, accepts AWG 14 to AWG 4 aluminum or copper wire, and measures 23 inches in height, 5.38 inches in depth, and 5.64 inches in width, weighing 1 lb. This breaker is compliant with industry standards for single-phase systems and is typically used in load centers or panelboards for branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Stab-Lok Family
  • Voltage Rating: 120V AC
  • Current Rating: 50A
  • Dimensions: Height 23 in (584.20 mm) x Depth 5.38 in (136.65 mm) x Width 5.64 in (143.26 mm)
  • Standards: UL Listed, CSA Certified
  • Applications: Branch circuit protection in residential and light commercial panelboards
  • Switch Type: Toggle
  • Configuration: 1-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 23 in x 5.64 in x 5.38 in
  • Phase: 1
  • Voltage: 120V
  • Amperage: 50A
  • AIC rating: 10kA@120V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: NC
  • Trip Type: Thermal Magnetic
  • Panel Type: Stab-Lok
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: Load center
  • Bus Type: Stab-Lok
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: 1.0 in
  • Clas: Not applicable
  • Mounting: Plug-In
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not rated
  • Aux Contacts: None
  • CPT: None
  • Full Load Amps: 50A
  • Dist Voltage: 120V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 50A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14...AWG 4 aluminum/copper
  • Amperage Maximum: 50A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: AWG 14...AWG 4
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Screw
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: Stab-Lok load centers
  • Installation Type: Plug-in
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: NC
  • 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