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ABB T5N300TW - 3-Pole 300A Molded Case Breaker

ABB
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ABB T5N300TW is a three-pole molded case circuit breaker from the SACE Tmax family, designed for thermal-magnetic protection with LI (Long-Time and Instantaneous) functions. It is rated for 600V AC, 300A continuous current, and a 25kA interrupting capacity at 480V, with a bolt-on connection for secure installation. Weighing 10 lb, this T5 frame breaker features a compact molded case construction suitable for industrial panelboards and switchboards. It complies with applicable UL and IEC standards for overcurrent protection in commercial and industrial power distribution systems. Typical applications include motor control centers, main distribution panels, and feeder circuits requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: T5 Frame Size
  • Standards: UL, IEC
  • Applications: Industrial power distribution, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard
  • Shipping Dimensions: Standard T5 frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 25kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: T5
  • 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: Not specified
  • Panel Style: Standard
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • 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 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 300A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 300A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 300A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, IEC
  • Compatible Frames: T5
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: T5
  • Current Rating: 300A
  • 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


Product Identification
  • UPC: 001564463125
  • GTIN: 08015644631253