15
BN 5930.48/203, /204 / 22.01.19 en / xxxx
Continuous current limit curves depend on the ambient temperature
Arc limit curve
0
0,1
0,3 0,5
1
3
5
10
switching current A
50
100
150
250
200
sw
itc
hi
ng
vo
lta
ge
VD
C
M
29
87
_c
safe breaking, no continuous arcing,
max. 1 switching cycle / s
Characteristic
- The device contains no parts that require maintenance.
- In case of failure, do not open the device but send it to manufacturer
for repair.
Troubleshooting
Maintenance and repairs
Failure
Potential cause
LED "Power" does not light up
Power supply not connected
LED "K1" lights up,
but "K2" remains off
- Safety relay K1 is welded
(replace device)
- A 1-channel switch-off occurred on
T22 (switch channel off on T12)
LED "K2" lights up,
but "K1" remains off
- Safety relay K2 is welded
(replace device)
- A 1-channel switch-off occurred on
T12 (switch channel off on T22)
Device cannot be activated
- Safety relay is welded
(replace device)
