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ABB ABB420B9W - Molded Case Circuit Breaker 100A 600V

United Fuses
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ABB ABB420B9W is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. This three-pole unit is rated for 600V AC and carries a current rating of 100A, with a compact frame size that supports a 5.19 lb weight. Constructed with a robust thermoplastic enclosure and thermal-magnetic trip mechanism, it ensures reliable interruption under fault conditions. The breaker complies with UL 489 and CSA C22.2 standards, making it suitable for use in panelboards, switchboards, and motor control centers. Typical applications include branch circuit protection in manufacturing plants, commercial buildings, and heavy machinery installations.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, thermoplastic enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: Not specified
  • Standards: UL 489, CSA C22.2
  • Applications: Industrial power distribution, branch circuit protection, panelboards, switchboards, motor control centers
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 100A
  • AIC rating: Not specified
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent, short-circuit
  • Functions: Circuit isolation, fault interruption
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not applicable
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not applicable
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 100A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 100A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable
  • Weight: 5.19 lb


Product Identification
  • UPC: Not available
  • GTIN: Not available