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NB1-6KA-2P-C63 - Miniature Circuit Breaker 63A 6kA

United Fuses
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NB1-6KA-2P-C63 is a compact miniature circuit breaker designed for overcurrent and short-circuit protection in electrical distribution systems. It operates at a rated voltage of 230/400V AC and a rated current of 63A, with a breaking capacity of 6kA. The unit features a 2-pole configuration, a thermal-magnetic trip mechanism, and weighs 5.19 lb, housed in a robust insulating enclosure for reliable performance. It complies with IEC 60898-1 standards, ensuring safe operation in residential, commercial, and light industrial applications. Typical uses include branch circuit protection, lighting panels, and motor control centers.

Key Features & Specifications
  • Type: Miniature Circuit Breaker (MCB), thermal-magnetic operation
  • Voltage Rating: 230/400V AC
  • Current Rating: 63A
  • Dimensions: Not specified
  • Standards: IEC 60898-1
  • Applications: Branch circuit protection, lighting panels, motor control centers
  • Switch Type: Toggle
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Single/Three-phase
  • Voltage: 230/400V AC
  • Amperage: 63A
  • AIC rating: 6kA
  • Connection: Screw terminal
  • Poles: 2
  • Protection: Overcurrent, short-circuit
  • Functions: Circuit isolation, overload protection
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Miniature Circuit Breaker
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: DIN rail
  • Hz: 50/60 Hz
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Insulating
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 63A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: Not specified
  • Certification: IEC 60898-1
  • Circuit Breaker Mounting Style: DIN rail
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single/Three-phase
  • Standards: IEC 60898-1
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 63A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified
  • Weight: 5.19 lb


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