Lamp failure detection
- Conveyor and transport systems
- Lamp failure detection in a lift car.
- Monitoring of the permitted current range of the lighting with the “under” function.
As soon as the power draw leaves the acceptable range, for example because of a load reduction due to a defective lamp, the relay output is tripped, and the higher-level control system can recognise the fault.
- - Rapid fault detection, quick replacement possible
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Mains failure monitoring
The emergency lighting is activated in the event of a mains failure or undervoltage.
Emergency power supply
It must be ensured that the emergency power system is switched on within 30 ms when the lighting power supply fails.
Monitoring of the operating state of the exhaust fan. The fan has a high starting current; this may not influence the monitoring and may not lead to a…
Monitoring of a cold store door
This is designed to prevent the cold store door from being open for too long while the cooling continues to run.
Monitoring of smoke extraction fans
Function monitors should be installed for smoke extraction fans that must run without motor protection, and possibly until they fail, in the event of a fire.
Safe grid separation for photovoltaic systems
Grid and system protection from TELE safely separates photovoltaic systems from the grid in the event of a fault. The unit is programmable, making it suitable…