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Square D TM50D-4P - 4-Pole Thermal Magnetic Circuit Breaker

Square D
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Square D TM50D-4P is a 4-pole thermal magnetic circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a fixed 50A current rating and a 600V AC voltage rating, housed within a compact, 2 lb unit designed for efficient panel integration. This breaker is engineered for compliance with relevant industry standards and is typically applied in commercial and industrial facilities to protect feeders, motors, and branch circuits. Its thermal-magnetic protection combines long-time delay for overloads with instantaneous tripping for short-circuit conditions.

Key Features & Specifications
  • Type: Thermal Magnetic Circuit Breaker, 4-Pole
  • Voltage Rating: 600V AC
  • Current Rating: 50A Fixed
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Compatible Frames: NS, NSF, NSX, NFNF, NFNL, NFHF, NFHL
  • Weight: 2 lb
  • Family: Compact


Product Identification
  • Manufacturer Part Number: TM50D-4P