B.74043121
MRCDB302 Electronic module for fire protection
Type B+ residual current device according to VDE
In use together with CTBC measuring current transformer
In use together with CTBC measuring current transformer
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Product description
Modular residual current device
Type B+ according to VDE
0664-100 for fire protection
Response value 300 mA;
Cut-off frequency 20 kHz (cannot be changed)
Commissioning:
Carry out the offset adjustment
on the de-energized system.
For frequency converters
shielded converters are recommended.
Isolating properties of circuit breakers:
According to DIN EN 60947-2 Annex M
(e.g. Siemens type 3VA series)
