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Overcurrent Protection Device

Overcurrent Protection DeviceФото 2
Description
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The Overcurrent Protection Device (MTZ) is designed for diagnostic testing, control and protection of isolated neutral systems from short-circuit currents. MTZ device performs various protection, measurement and monitoring functions. The device maintains high precision of measurement and constancy of performance.

Functions

  • adjustment of setpoints for overcurrent protection from 2 · Inom to 7 · Inom of the electric switchboard;
  • adjustment of setpoints for overload protection from 0.3 · Inom to 1.5 · Inom of the electric switchboard;
  • adjustment of time delay for overload protection system from 0 to 20 s.
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Supply voltage~11,5..42,5 V
Current consumption< 200 mА
Data interfaceRS485 (CAN)
Data rate19200 bps
Number of controlled channels3
Response time in case of short circuit40 ms
Response time in case of overload equal 1,5 · Irated20 sek
Switching voltage of contacts of the Executive relay of alternating current250 V
Switching current of contacts of the actuating relay5 А
Operating current rangeDetermined by the characteristics of the current sensors
Dimensions105х75х90 mm
International Protection MarkingIP20
Mass0,5 kg
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