1FT6 Synchronous Motors
Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
4-3
Motor Components (Options)
Holding brake (option)
4.2 Holding brake (option)
For a description of the function, refer to the Configuration Manual "General Section for Syn-
chronous Motors".
Holding torque M
4
The holding torque M
4
is the minimum brake torque in steady-state operation (when the motor
is at a standstill).
For motors with forced ventilation or water cooling, the brake holding torque can be less than
the motor stall torque.
Note
Motors with or without holding brake cannot be subsequently retrofitted.
Motors with holding brake are longer by the mounted space required (refer to the dimension
drawing).
Table 4-2 Technical data of the holding brakes used for 1FT6 motors
Motor type Brake type
Holding
torque
M4
1)
DC current
Opening time
with varistor
Closing time
with varistor
Highest
switching
energy
[Nm] [A] [ms] [ms] [J]
1FT602 EBD 0.11 B 1 0.3 20 10 9
1FT603 EBD 0.15 B 2 0.4 30 15 27
1FT604 EBD 0.4 BA 5 0.8 50 20 125
1FT606 EBD 1.5 B 15 0.8 130 30 320
1FT6081 EBD 1.2 B 15 0.8 150 35 750
1FT6082 EBD 1.2 B 15 0.8 150 35 750
1FT6084 EBD 3.5 BN 28 0.9 180 35 1600
1FT6086 EBD 3.5 BN 28 0.9 180 35 1600
1FT610 EBD 4 B 70 1.4 220 50 2100
1FT613
2)
EBD 8 B 140 1.7 300 90 9800
1) Standardized acc. to VDE 0580 with varistor circuit
2) Not for water cooling
Caution
For several motor versions (air cooling and water cooling) the brake holding torque is less
than the rated motor torque.
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