STOBER
7 | Connection
05/2019 | ID 442793.01
41
7.3
Protective measures
Take the following protective measures into account.
7.3.1
Line fuse
The line fuse ensures the line and overload protection in the drive controller. Observe the requirements described below,
which vary based on the configuration.
7.3.1.1
Line fuse in stand-alone operation
Information
To ensure problem-free operation, always comply with the recommended trigger limits and trigger characteristics of the
fuse elements.
You can use the following protective devices when operating a single drive controller:
§
Full-range safety fuses for cable and line protection with operating class gG in accordance with IEC 60269-2-1 or time
delay triggering characteristics in accordance with DIN VDE 0636
§
Miniature circuit breakers with triggering characteristic C in accordance with EN 60898
§
Circuit breakers
Information
Note that the charge current after switching on the power supply is less than the nominal input current of the power unit
I
1N,PU
.
You can use the following protective devices when operating a single drive controller:
Size
Type
I
1N,PU
(4 kHz) [A]
Recommended max. line fuse [A]
0
SC6A062
10
10
1
SC6A162
23.2
25
2
SC6A261
22.6
25
Tab. 39: Recommended maximum line fuse in stand-alone operation
