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Square D TM250D - Thermal Magnetic Trip Unit 250A 600V 3-Pole

Square D
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Square D TM250D is a thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a fixed 250A current rating, engineered within a compact, DIN-rail mountable housing for efficient panel integration. This unit complies with relevant industry standards and is specifically engineered for use in demanding commercial and industrial applications where consistent protection of three-phase circuits is required.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, DIN-rail mountable
  • Voltage Rating: 600V AC
  • Current Rating: 250A (Fixed)
  • Functions: LI (Long-Time and Instantaneous)
  • Protection: Thermal Magnetic
  • Poles: 3
  • Compatible Frames: NS, NSF, NSX, NFNF, NFNL, NFHF, NFHL
  • Family: Compact
  • Weight: 1 lb


Product Identification
  • Manufacturer: Schneider Electric
  • Model: TM250D