ABB TMAX XT1S 160 Plastic Case Circuit Breaker

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• 1. Product Overview

  The ABB TMAX XT1S 160 is part of the ABB SACE Tmax XT series of molded case circuit breakers (MCCBs) designed for low‑voltage electrical protection. It provides reliable thermal‑magnetic protection against overload and short‑circuit faults and is suitable for industrial, commercial, and infrastructure power distribution applications.

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  2. Technical Specifications

  Parameter	Specification
  Series	ABB SACE Tmax XT
  Model	XT1S 160 TMD
  Frame Rated Current	160 A
  Rated Operational Voltage	≤ 690 V AC / 500 V DC
  Rated Current (In)	Adjustable within trip unit range
  Poles	3P or 4P
  Trip Unit	Thermal‑Magnetic (TMD)
  Breaking Capacity	Up to approx. 50 kA
  Mounting	Fixed (FF)
  Terminal Type	Front bolt terminals
  Standard	IEC/EN 60947‑2
  Protection Rating	IP20
  Operating Temperature	–25 ℃ ~ +70 ℃
  Insulation Voltage	~800 V
  Impulse Withstand Voltage	8 kV

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  3. Key Features and Benefits

  • Reliable overload and short‑circuit protection with thermal‑magnetic trip unit

  • High breaking capacity supports robust power distribution protection

  • Compact and easy installation with front terminals and fixed mounting

  • Expandable with accessories such as auxiliary contacts, shunt trip and undervoltage releases

  • IEC standard compliance for wide industrial use

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  4. Typical Applications

  • Main and feeder protection in industrial low‑voltage distribution

  • Motor circuits and power feeder protection

  • Distribution boards and control panel applications

  • HVAC, pumps, fans and compressor protection

  • Commercial building electrical systems

  • Automated production machinery power safety

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  5. Installation & Usage Notes

  • Match breaker ratings to system current and voltage to ensure proper protection

  • Secure all connections and ensure firm mounting in panel or cabinet

  • Install in environments within rated temperature and avoid corrosive or dusty conditions

  • Perform regular inspection of trip unit and terminal tightness

  • Add appropriate auxiliary devices if remote control and signaling are required

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The structure and details of the product：

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