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Eaton FB3050 - Molded Case 50A 3-Pole 600V

Cutler Hammer
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Eaton FB3050 is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for thermal-magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 50A continuous current at 600VAC, 3-phase, with an interrupting capacity of 14kA at 480VAC. This bolt-on unit weighs 11 lb and features a compact molded case construction suitable for industrial panelboards and switchboards. It complies with UL 489 standards for branch circuit protection. Typical applications include motor control centers, lighting panels, and distribution equipment requiring reliable overcurrent interruption in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, AB DE-ION family, thermal-magnetic operation
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489
  • Applications: Industrial panelboards, switchboards, motor control centers
  • Switch Type: Bolt-On
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: Standard 40°C ambient
  • Shipping Dimensions: Standard molded case packaging
  • Phase: 3
  • Voltage: 600V
  • Amperage: 50A
  • AIC rating: 14kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: FB
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper/steel
  • Panel Style: Standard
  • Bus Type: Standard
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • 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: Bolt-On
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 50A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 50A
  • Full Load Amp Minimum: 50A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 50A
  • Amperage Minimum: 50A
  • Nema Rating: Not applicable
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489
  • Compatible Frames: FB series
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: FB
  • Current Rating: 50A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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