Siemens SINAMICS S200 - Page 138

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You may select an appropriate varistor with reference to the table below:
Power supply voltage of the brake 24 V DC
Order information

Manufacturer EPCOS
Model S20K20
Speci󹪝cation r
equire‐
ments
Operating t
emperature -20 °C to 60 °C
Delay switching frequency < 10 times/min
Maximum operating DC voltage 26 V
Average power dissipation 0.2 W
Voltage at 1 mA 33 V ± 10%
Clamping voltage at 20 A (8/20 μs) 65 V
Energy absorption (2 ms) at a time 18 J
Relay (R) used for the power supply of the brake
Siemens recommends that you choose a Siemens r
elay (article number: 3RQ2000-1AW00 or
3RQ2000-2AW00).
You can also select other appropriate relays with reference to the table below:
Insulation voltage for overvoltage category III according to IEC 60664 for
pollution degree 3
300 V
Max. permissible volt
age for protective separation between control cir‐
cuit and auxiliary circuit according to IEC 60947-1
300 V
Contr
ol supply voltage 24 ... 240 AC/DC; 50/60 Hz
Operating range factor of control supply voltage 0.7 ... 1.1
Current-carrying capacity of the output relay
•
At DC-13 at 24 V
2 A
More information
F
or mor
e inf
ormation about cable r
eq
uirements, see Section "Cables and connectors
(Page124)".
For more information about assembling cable terminals, see Section "Assembling cables
(Page734)".
Connecting
6.5Connecting the motor
SINAMICS S200 pulse train servo drive system with SIMOTICS S-1FL2
136 Operating Instructions, 11/2023, FW V6.3, A5E51646767B AA