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ms elektronik
WRM-4
7. Technical data
Inputs and outputs
Number of inputs
4 x 2
For the connection of turnouts and signals with double coil
drives without limit switching
Number of outputs
4 x 2
For the connection of
LEDs or lamps to indicate the turnout position
subordinate circuits
the inputs of digital feedback modules
Electrical characteristics
Supply voltage
(Operating voltage)
12 - 18 Volt a.c. voltage or
12 – 24 Volt d.c. voltage
The turnout detector should not be fed via the
voltage supply for the digital system! Please use a
separate transformer for the WRM-4 (or all turnout
detectors in the layout) with digital layouts!
Current consumption (without
connected devices)
approx. 15 mA
Maximum current per output
250 mA
Protection
Protection class
Ready-made module (without housing): IP 00
Meaning: No protection against foreign bodies, contact and water.
Ready device (in housing): IP 20
Meaning: Protected against solid foreign bodies with diameter ≥ 12.5 mm and
access with a finger. No protection against water.
Technical data | 23