Monitoring emergency lighting system
- Energy distribution
- An undervoltage monitoring relay with a fixed switching threshold at 0.85% of the nominal voltage is needed for emergency lighting systems. Two changeover contacts are wanted for signalling.
- This device was used because it fulfils the VDE 0100-718 and VDE 0108-100 standards and is equipped with 2 changeover contacts.
- - Fixed threshold
- 2 contacts
- Fulfils VDE standard
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