Code: 1AC0035





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Manual PT73.pdf


The PT73 is a device that can provide additional protection to our units. Its use is recommended on systems where there are large surges and fluctuations in 230 Vac power supply. Moreover, it is very effective in cutting the peak voltage that is generated when you closed the MV switch, thanks to a turn-on delay. The device can be easily installed inside the panel through the DIN EN50022 rail. A red led indicates the possible intervention of fuses. 

Technical Specifications

  • Input Voltage: 85-250 Vac 50/60Hz
  • Delay time: settable from 1 to 5 sec
  • Dimensions: 40 x 79 mm depth 90mm
  • Polyamide housing UL 94V2
  • Protection fuses (x2): 2,5 Amps (delayed)
  • Ambient operating temperature from -20 to +60°C