The PMD s20 monitors the insulation resistance of unearthed AC/DC systems. The de-energised system can also be monitored thanks to the separate supply voltage.
Your benefits at a glance
- Insulation monitoring of IT systems in AC/DC systems
- Connection monitoring of system/earth
- Two separate response thresholds can be set
- Permanent display of the measured resistance
- Simple setting by means of rotary knob (push and turn)
- LEDs for Power, Out 1, Out 2, Fault
- Two separate relays with N/C / N/O contacts
- Normally energised/normally de-energised mode can be selected
- Adjustable reaction time
- Adjustable start-up suppression