Figure 5-5-4-2-01 - Simpli
fi
ed diagram for brake control
1 Voltage supply
2 Button two circuit test
3 / 4
“
Open brake
”
button
5 Recti
fi
er
K3 Brake contactor, activated by safety circuit
K4 Brake contactor, activated by control or frequency inverter
5.5.5
Connection
•
The terminal box for the brake may be removed from the elevator machine and mounted on site for
a better attainability.
•
The brake is only allowed to be supplied with power when fastened to the motor and after having
connected the protective conductor of the motor at the control and the motor side.
•
The brakes must be protected with varistors against overvoltage from switching operations. The
varistor must lie directly on the coil or its connections.
5.5.6
Connection diagram
Brake wiring diagram with micro switch
Figure 5-5-6-01
1 Brake release monitoring
2 Brake
3 Shown with currentless brake
Original operating instructions
ZAtop
–
model series SM250.60B
Electrical installation
A-TBA20_02-GB 2032 Index 003
Part.-No. 01013399-GB (EU-BD 783)
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