5
Electrical installation
Connecting the plug connector - Two-cable technology
Operating Instructions – CM3C63 – 100
39
Direct 24 V brake supply
NOTICE
Malfunction and damage to the BK.. brake due to reverse polarity.
Damage to brake
•
It is essential that you observe the correct polarity of the brake power supply.
•
Check the polarity when replacing the brake.
With MOVIAXIS
®
or
MOVIDRIVE
®
modular
D
C
B
A
3
1
4
SB1
24 V
DC
BGND
DBØØ
9007207071783051
With third-party in-
verters
D
C
B
A
3
1
4
SB1
24 V
DC
- +
12986696203
The brake must be protected from overvoltage, e.g. by a varistor protection circuit, in
the following cases:
•
Operation on non-SEW inverters,
•
If the brake is not directly supplied from the SEW‑EURODRIVE inverter.
26870460/EN – 05/2021