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Power Dissipation in Power Entry Modules

14/06/2024

If different electrical components are combined in an appliance inlet to form a power entry module, the individual power losses and temperature deratings of all components involved must be carefully taken into account in order to ensure long-term safe operation.

Power entry modules (PEMs) consist of a combination of different components for the safe power supply of devices. In addition to the IEC appliance inlet connector, mains switches, fuseholders or circuit breakers and filters can be integrated. All these components are tested according to their respective component standard so that the entire component can be certified by the certification bodies.

Each of these components is designed for a specific minimum and maximum ambient temperature. Important: The maximum rated current may only be used at the rated temperature. At higher ambient temperatures, the current must be reduced accordingly. This is usually specified in the temperature derating on the data sheets.

Main Features

  • With sealing: IP54 under load, IP67 towards housing
  • Various mounting options
  • Recessed rocker prevents accidental manipulation
  • Compatible with V-Lock cord retention
Documents Tech question
Schurter 14 06

Power Dissipation in Power Entry Modules

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Schurter

The SCHURTER Group is a global manufacturer of components for circuit protection ,connectors, switches and EMC products, as well as systems for HMI applications and input systems.

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  • White Paper Power Dissipation schurter
  • Typ DG12
  • Typ DG11
Pexels thisisengineering 3913017

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