Conrad Electronic 75 10 74 Mode D'emploi page 48

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Prescribed use
The code lock serves as a doorbell, a controller for doors, garage
door motors etc., and for monitoring and access recognition at
entrance doors.
Because of its waterproof construction, you can use the device out-
side. Please avoid direct contact with a water jet.
This product is only approved for use with AC/DC voltages of 12 to
24 volts.
The maximum switching power of the „Output 1" relay must not
exceed 5 A/30 V DC, and that of the „Output 2" relay must not
exceed 1 A/30 V DC. The „NPN-Open-Collector" outputs must not
be loaded with more than 100 mA and 24 V DC.
The code lock has a sabotage contact (TAMPER) that recognises
opening of the housing and can be used to activate an alarm system.
Any use other than one described above is not allowed and can
damage the product. Moreover, this involves dangers such as e.g.
short-circuit, fire, electric shock, etc.
No part of the product may be modified or rebuilt!
The safety instructions must be observed at all times.
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