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Square D NQCUV2 - Industrial Circuit Breaker 600V 100A

Square D
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Square D NQCUV2 is a heavy-duty industrial circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 600V AC and 100A, providing reliable interruption of fault currents. The unit features a compact NEMA 1 enclosure with a rugged thermoplastic construction, weighing 2.41 lb and measuring approximately 6 inches in height. This device complies with UL 489 and CSA C22.2 standards, ensuring safe operation in demanding environments. Typical applications include motor control centers, panelboards, and switchboards requiring branch circuit protection.

Key Features & Specifications
  • Type: Industrial molded case circuit breaker, thermal-magnetic trip, non-fusible
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: 6.0 in H x 4.5 in W x 3.5 in D (approx.)
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, panelboards, switchboards
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: N/A (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 7.0 in x 5.0 in x 4.0 in
  • Phase: 3-phase
  • Amperage: 100A
  • AIC rating: 10kA at 600V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: NQCUV2
  • Trip Type: Thermal-magnetic
  • Panel Type: NEMA 1
  • Breaker Type: Molded case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: #14 to #2 AWG
  • Metal Type: Copper alloy
  • Panel Style: Enclosed
  • Bus Type: Copper
  • Fuse Class: N/A (non-fusible)
  • Insulation Temperature: 105°C
  • 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: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: 50 HP at 600V
  • Aux Contacts: Optional
  • CPT: N/A
  • Full Load Amps: 100A
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 1
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: Copper
  • Amperage Maximum: 100A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: #14 to #2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: NQCUV2
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: NQCUV2
  • Current Rating: 100A
  • 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: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 078590150814
  • GTIN: 00785902000000