Protection and Control
The basic protection to protect against electricity is isolation. This isolation is achieved by a layer of insulating materials on the wires, cables and, confinement of any electric or electronic circuit in a rigid and dielectric envelope.
To prevent an insulation fault or a short circuit in a device from triggering a serious incident (electrocution or fire), an electrical circuit must be equipped with a manual plus an automatic circuit breaker:
fuse.
circuit breaker
disruptor
disconnector (manual)
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FKV-03HF Digital Phase Failure Relay TENSE
TENSE FKV-03HF Digital Phase Failure RelayThe phase protection relays are designed to protect the th..
100A 380V Three Phase four wire Din rail automatic recovery over voltage and under voltage protective protection relay
Under voltage and over voltage protector 3 phase 4 wire 100AThe automatic recovery over voltage and ..
3 Phase Din rail adjustable Under Over Voltage Protector Voltage Monitoring Sequence Protection Relay Tomzn TOMPD-8S
Features●Microprocessor technology provideshighly accurate and repeatable protection●Built-in LCD an..
3 Phase Voltage Protector 63A Adjustable Over/Under Voltage/Over C
3 Phase Voltage Protector 63A Adjustable Over/Under Voltage/Over CFunctions as a live voltage and Am..
3 Phase Voltage Protector 63A Adjustable Over/Under Voltage/Over current Avel SS-PVA
3 Phase Voltage Protector 63A Adjustable Over/Under Voltage/Over current Avel SS-PVAFunctions as a l..
40A Adjustable Current and Voltage Protection Device LED Display AVEL AV-PTDR0-5
40A Adjustable Current and Voltage Protection Device LED Display AVEL AV-PTDR0-5 Functions: ..
60A 230V Din Rail Adjustable Over Voltage and Under Voltage Protective Device Protector Relay TOMZN TOVPD1-63
Function: 1. Under voltage protection 210V-145V (adjustable) (default: 170V)  ..
63A Ewelink Single Phase WIFI Smart Energy Meter Kwh Metering Monitoring Circuit Breaker Timer Relay for Smart Home TOMZN
Function: 1. On/off Switch 2. Time Relay Switch 3. Real voltage display on app 4. R..
63A protection relay adjustable 3 in 1 voltage, intensity, consumption NP2-VAKWH
63A protection relay adjustable 3 in 1 voltage, intensity, consumptionNP series automatic overvoltag..
Adjustable protection 380V 3P+N 63A voltage and current with display TOMZN TOPD3-63VA
three phase Voltage Current Relay Protector 63A 60A 100A 220V 3P+N Over Under Voltage Relay Cur..

