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Cutler Hammer 918877 - Molded Case Circuit Breaker 100A 600V

Cutler Hammer
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Cutler Hammer 918877 is a molded case circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600 volts AC and 100 amperes, with a 25 kAIC interrupting capacity at 480V. The unit features a compact, three-pole configuration with a thermal-magnetic trip mechanism and a 5.19-pound weight, housed in a durable, insulated frame for panelboard installation. This breaker complies with UL 489 and NEMA AB-1 standards, ensuring reliable performance in demanding environments. It is commonly used in motor control centers, switchboards, and branch circuit protection for manufacturing and processing facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, insulated frame
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: Not specified
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control centers, branch circuits
  • Switch Type: Toggle
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Three-phase
  • Voltage: 600V AC
  • Amperage: 100A
  • AIC rating: 25 kAIC at 480V
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • 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: Panelboard plug-in or bolt-on
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 100A
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open frame
  • 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 handle
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Panelboard
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, NEMA AB-1
  • 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 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • GTIN: 782113211510