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Over voltage under voltage phase sequence phase loss protective relays

M240 supply voltage: 125~300Vac
M415 supply voltage: 200~500Vac

Built-in high-performance micro controller with high reliability and strong resistance to interference.
Voltage value and fault message displayed through LCD.
Protection against over-voltage, under-voltage, phase failure, unbalance and phase sequence is available.
Protection parameters are set through keys, and the protection function can be turned on and off freely.
True RMS value measurement, voltage measurement accuracy ≤ 1%.
Measurement frequency 45Hz~65Hz.
Three-phase voltage value query through keys.
Testing and manual reset can be conducted through keys.
Three-phase four-wire system features N-phase failure protective functon.
£45.00
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Controls its own supply voltage (True RMS measurement).
Single phase Over-Voltage and Under-Voltage Fast protector, Real Time Voltage Monitoring integrated into one relay.
Operating voltage value, failure state, time delays are displayed on the LED Nixie tube.

Various parameters are set by pressing the buttons and protective functions can be opened or closed in the same way.
The rated operational range is AC 100-400V.
The rated supply voltage is AC220-240
Working frequency range: 45-65Hz
The relay is 35mm DIN rail TH mountable.
Voltage measurement accuracy ≤ 1%.
Over-Voltage Actuation Time: 0.1 sec
Control status is indicated by LED display

APPLICATIONS

Protection of household and other voltage sensitive equipment from over voltage and under voltage.
£40.00
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20V...80V AC/DC Protective Relay

Controls its own supply voltage (True RMS measurement).
User may select operation mode through knob.
Working frequency range: 45-65Hz, DC.
The relay is only 18mm wide.
The relay is DIN rail TH mountable.
Voltage measurement accuracy ≤ 1%.
Rated Supply Voltage: AC/DC 24...48V
Supply Voltage Limits: AC/DC 15...100V
Range Of Adjustment: AC/DC 20...80V
Control status is indicated by LED
£31.00
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65V...260V Range AC/DC Protective Relay




Protection of electrical equipment and motors from over voltage and under voltage. Can be also used to control the battery bank voltage.
Controls its own supply voltage (True RMS measurement).
User may select operation mode through knob.
Working frequency range: 45-65Hz, DC.
The relay is only 18mm wide.
The relay is DIN rail TH mountable.
Voltage measurement accuracy ≤ 1%.
Rated Supply Voltage: AC/DC 110...240V
Supply Voltage Limits: AC/DC 50...270V
Range Of Adjustment: AC/DC 65...260V
Control status is indicated by LED
£31.00
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