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• Do not exceed the maximum operating energy per emergency braking.
• The rated voltage of the holding brake is 24 V DC +/- 10 %. Voltages outside this tolerance
range can cause disturbances.
Note
Subsequent conversion of motors with or without a holding brake is not possible.
The technical data for the holding brake is contained in the Configuration Manual of the
motor.
2.6.6.3
Technical data of the holding brake
Table 2- 13
Technical data of the holding brakes used for 1FK7 motors
Motor type
Holding
torque at 120
°C
M
/ Nm
4
1FK703⃞
1.9
1FK704⃞
4
1FK706⃞
13
1FK708⃞
22
1FK7100
23
1FK7101
43
1FK7103
1FK7105
*) (m) = averaged value
Note
If the brake is switched in two stages ("click" twice), then when opening, the first switching
point is decisive, and when closing, the second switching point.
1FK7 G2 synchronous motors
Operating Instructions, 05/2021, A5E50907562B AA
NOTICE
Premature wear of the motor holding brake when operated outside its permissible
voltage range
Operating the motor holding brake outside its permissible voltage range at the motor
connection will damage the brake.
• Ensure that the motor holding brake is only operated within its permissible voltage
range.
Dyn. braking
torque
M
/ Nm
1(m) 1)
1
3
8.5
11
11
25
DC current at
Opening time
20 °C
with varistor
I / A
T
/ ms
0
0.3
50
0.5
70
0.8
100
0.9
200
1.0
300
1.0
300
Description of the motors
2.6 Mounting and options
Closing time
Highest braking
energy
with varistor
t
/ ms
c1
W / J
30
40
30
150
50
380
60
1400
70
3380
70
3380
45
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