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4 Product description
4 Product description
The hold-open control unit, FSZ Basis, is preferably used to supply hold-open systems with voltage.
It is characterised by the following features:
– Integrated manual release button conforming to standard and reset button
– Tested according to DIN EN 14637
– Distinction between fault causes via the LED flash code on the keypad
– Alarm storage can be activated via DIP switch
– Line surveillance can be activated via DIP switch
– Two smoke switch stubs can be connected with activated line surveillance
– Relay with potential-free alternating contact at the user‘s free disposal
– Short-circuit-proof primary pulsed switching power supply unit with stabilised output voltage
– Power supply with overtemperature shutdown
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