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NDK3KT150 - 150A 3-Pole Molded Case Circuit Breaker (600V AC)

United Fuses
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The NDK3KT150 is a 150-amp, 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600 volts AC and 150 amps continuous current, with a compact frame size and a weight of 5.19 lb for easy panel installation. The breaker features a thermal-magnetic trip mechanism, a NEMA 1 enclosure, and a 65 kAIC interrupting capacity at 240V AC. It complies with UL 489 and CSA C22.2 standards for safety and performance. Typical applications include motor control centers, switchboards, and branch circuit protection in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Dimensions: Compact frame size
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, switchboards, branch circuit protection
  • Switch Type: Thermal-magnetic
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 150A
  • AIC rating: 65 kAIC at 240V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short circuit
  • Functions: Overload and short circuit protection
  • Frame Size: Compact
  • Trip Type: Thermal-magnetic
  • Panel Type: NEMA 1
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel enclosure
  • Panel Style: Fixed
  • Bus Type: Not specified
  • 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: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 150A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 150A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 150A
  • Amperage Minimum: 0A
  • Nema Rating: NEMA 1
  • Switch Style: Toggle handle
  • Wire Size: #14 AWG to #1/0 AWG
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: Not specified
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Compact
  • Current Rating: 150A
  • 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
  • Weight: 5.19 lb


Product Identification
  • UPC: Not specified
  • GTIN: Not specified