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TM1212RCU - Circuit Breaker 12A 120/240VAC

United Fuses
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TM1212RCU is a thermal-magnetic circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 120/240 VAC and carries a current rating of 12 amps, with a 10 kAIC interrupting capacity. The unit features a compact, molded case construction with a 1-inch pole width, weighs 5.19 lb, and utilizes a toggle switch mechanism for manual operation. It complies with UL 489 and CSA standards, ensuring reliable performance in branch circuit protection. Typical applications include panelboards, lighting control, and motor control centers in commercial and industrial facilities.

Key Features & Specifications
  • Type: Thermal-magnetic circuit breaker, molded case, toggle switch
  • Voltage Rating: 120/240 VAC
  • Current Rating: 12 A
  • Dimensions: 1-inch pole width, compact frame
  • Standards: UL 489, CSA
  • Applications: Branch circuit protection, panelboards, lighting control, motor control centers
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Single-phase
  • Voltage: 120/240 VAC
  • Amperage: 12 A
  • AIC rating: 10 kAIC
  • Connection: Line and load terminals
  • Poles: 1
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: 1-inch
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • 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 applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 12 A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 12 A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 12 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: Not specified
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Line and load
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 1-inch
  • Current Rating: 12 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78316411307
  • GTIN: 00783164113075