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Mains failure­ monitoring

The emergency lighting is activated in the event of a mains failure or undervoltage.
Industry:
Energy distribution
Series/Measures
Voltage
Product:
E3YF400V02 0.85
Data sheet:
Task:
The emergency lighting is activated in the event of a mains failure or undervoltage.
Solution
The mains failure is monitored with a E3YF400V02 (three phases). If the voltage falls below 85% of the nominal voltage, the output relay trips and turns the emergency lights on.
Use/value:
- Detects mains failure
- Fulfils the VDE 0100-718 and VDE 0108-100 standards

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