Siemens SIMOTICS S-1FK2 - Page 81

Motor type Braking re‐
sistor, exter‐
nal
R
opt
/ Ω
Average braking torque Maximum
braking tor‐
que
M
br max
/ Nm
rms braking current
Without exter‐
nal
Braking resis‐
tor
M
br rms
/ Nm
With external
braking resistor
M
br rms
(R
opt
) / Nm
Without exter‐
nal
Braking resis‐
tor
I
br rms
/ A
With external
Braking resis‐
tor
I
br rms
(R
opt
) / A
1FK2204-5AK 1.5 2.4 3.3 4.1 13.5 12.5
1FK2204-6AF 4.6 3.1 4.4 5.5 9.5 8.5
1FK2205-2AF 3.8 5 6.5 8 11 10
1FK2205-4AF 2.6 8 10.5 13 18 16.5
1FK2206-2AF 6.5 2.6 5.4 6.8 9.6 8.6
1FK2206-4AF 3.85 5.9 12.8 15.9 19.3 17.3
1FK2208-3AC 4 7.4 16.5 20.5 17.6 15.7
1FK2208-4AC 2.3 9.7 22.5 28 27 24.5
1FK2208-5AC 1.74 12.3 28.5 35.5 35.5 31.5
1FK2210-3AB 4.5 12.2 30.5 38 19.7 17.7
1FK2210-3AC 1.99 10.2 30.5 38 35 31
1FK2210-4AB 3.1 15.9 41.5 52 28 25
1FK2210-4AC 2.6 13.1 41.5 51 35.5 32
1FK2210-5AC 1.43 16.7 53 66 54 48.5
1FK2306-2AC 9.8 3.3 5.5 6.9 6.1 6.5
1FK2306-4AC 7 7.4 12.9 16.1 11.2 10.1
1FK2308-3AB 4.8 9.5 17.6 22 13.9 12.5
1FK2308-4AB 3.9 12.6 23.5 29.5 18 16.2
Note
Braking resistor with temperature monitoring
Use only a braking resistor with temperature monitoring.
Con󹪝guration
5.4 Brake resistances (armature short-circuit braking)
1FK2 Synchronous Motors for SINAMICS S120
Con󹪝guration Manual, 02/2022, A5E46927724B AD 79