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TMC31502 - Thermal-Magnetic Circuit Breaker 15A 480V

United Fuses
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The TMC31502 is a thermal-magnetic circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 480V AC and 250V DC with a current rating of 15 amps, housed in a compact molded case with a 3-pole configuration. The breaker features a fixed thermal-magnetic trip mechanism and a standard panel mount, compliant with UL 489 and CSA C22.2 standards. It is commonly used in motor control centers, panelboards, and switchgear for branch circuit protection.

Key Features & Specifications
  • Type: Thermal-magnetic circuit breaker, molded case
  • Voltage Rating: 480V AC / 250V DC
  • Current Rating: 15 A
  • Dimensions: 3.5 in H x 2.5 in W x 3.0 in D
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, panelboards, switchgear
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: 480V AC
  • Temp Rating: 40°C
  • Shipping Dimensions: 4.0 in H x 3.0 in W x 3.5 in D
  • Phase: 3
  • Voltage: 480V AC
  • Amperage: 15 A
  • AIC rating: 10 kA
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Overload and short-circuit
  • Frame Size: 100 A
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: Standard
  • Breaker Type: Molded case
  • Control Voltage Minimum: 24V AC
  • Control Voltage Maximum: 480V AC
  • MCM Size: 14 AWG to 2 AWG
  • Metal Type: Copper alloy
  • Panel Style: Flush mount
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • 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
  • Hz: 50/60
  • Coil Material: Copper
  • Horse Power: 7.5 HP at 480V
  • Aux Contacts: 1 NO/NC
  • CPT: Not included
  • Full Load Amps: 15 A
  • Dist Voltage: 480V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 15 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: 24V AC
  • Wire: Copper
  • Amperage Maximum: 15 A
  • Amperage Minimum: 0 A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: 100 A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100 A
  • Current Rating: 15 A
  • 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