Power Supplies

Pertronic Industries offer a range of fully monitored power supplies, suitable for powering ancillary fire alarm equipment

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PSDRP-240-24 / PSDR-120-24

Magnetic Door Holder PSU

Door Holder PSU

The 24 Vdc (nominal) DIN rail power supplies PSDRP-240-24, PSDR-120-24, and PSDR-4524 are recommended for electromagnetic door holders.

They are also suitable for general applications in which neither power supply monitoring nor battery backup are required.

These power supply units must be installed inside a cabinet to prevent accidental contact with exposed terminals.


  • Universal AC input / Full range (except PSDR-120-24: AC input range selectable by switch)
  • Models: 45W, 120W, 240W
  • Protections: Short Circuit / Overload / Over temperature
  • Cooling by free air convection
  • Can be installed on DIN rail TS-35 / 7.5 or 15
  • LED indicator for power on



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