
Operating Instructions – AC Motors DR / DV / DT / DTE / DVE / Asynchrounos Servo Motors CT / CV
23
5
Connecting the brake
Electrical Installation
5.15
Connecting the brake
The brake is released electrically. The brake is applied mechanically when the voltage
is switched off.
•
Connect the brake according to the wiring diagram supplied with the brake.
•
Note:In view of the DC voltage to be switched and the high level of current load, it is
essential to use either special brake contactors or AC contactors with contacts in
utilization category AC-3 to EN 60947-4-1.
•
Attach one of the following options for the version with manual brake release
– Hand lever (for self-reengaging manual brake release)
– Setscrew (for locking manual brake release)
•
After replacing the brake disc, the maximum braking torque is reached only after sev-
eral cycles.
Connecting the
brake control
system
The DC disk brake is powered from a brake control system with a protection circuit. It is
located in the terminal box / IS lower part or must be installed in the switch cabinet (
→
Sec. "Wiring notes").
•
Check the line cross sections - braking currents (
→
Sec. "Technical Data")
•
Connect the brake control system according to the wiring diagram supplied with the
brake
•
For motors in thermal class H, install the brake rectifier in the switch cabinet!
Comply with the applicable regulations issued by the relevant employer's liability
insurance association regarding phase failure protection and the associated
circuit/circuit modification!