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GMA-100 - Molded Case Circuit Breaker 100A 600VAC

United Fuses
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GMA-100 is a molded case circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 100 amps at 600 volts AC, with a 5.19 lb weight and a compact frame size suitable for panelboard or switchboard mounting. The breaker features a thermal-magnetic trip mechanism, a 3-pole configuration, and a 65 kAIC interrupting capacity at 240 VAC. It complies with UL 489 and CSA C22.2 standards, making it suitable for commercial and light industrial applications such as motor control centers and branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Trip
  • Voltage Rating: 600 VAC
  • Current Rating: 100 A
  • Dimensions: Compact frame size (exact dimensions not specified)
  • Standards: UL 489, CSA C22.2
  • Applications: Commercial and light industrial power distribution, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Not specified
  • Phase: 3-Phase
  • Voltage: 600 VAC
  • Amperage: 100 A
  • AIC rating: 65 kAIC at 240 VAC
  • 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: Panelboard or Switchboard
  • 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 applicable
  • 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 or switchboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • 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: 100 A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL 489, CSA C22.2
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: Not specified
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Compact
  • Current Rating: 100 A
  • 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