Siemens SINAMICS S120 Manual page 238
Cabinet modules
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- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Cabinet Modules
5.7 Central Braking Modules
The built-in fan means that Central Braking Modules are also suitable for high continuous
power systems.
Braking resistors corresponding to the rated powers are available for the Central Braking
Modules.
Braking resistors which are suitable for other applications are available on request.
The fan can start up on its own
The fan is switched on and off by means of a temperature control, which prevents it from
running unnecessarily.
The fan can start up on its own!
Dimensioning the braking resistor
The Braking Module incorporated into the Central Braking Module is able to support a
higher braking power than standard braking resistors.
The braking resistor is only designed for occasional regenerative operation in accordance
with the specified duty cycles.
If the braking resistor does not meet your particular requirements, an appropriate braking
resistor must be requested on an order-specific basis.
Central Braking Modules are available for the following voltages and power ratings:
Line voltage
380 to 480 V AC, 3-phase
500 to 600 V AC, 3-phase
660 to 690 V AC, 3-phase
The braking power can be increased by connecting Central Braking Modules in parallel, refer to Point
236
WARNING
WARNING
"Parallel connection of Central Braking Modules" at the end of this section.
Rated power
500/1000 kW
550/1100 kW
630/1200 kW
Manual, 03/2013, A5E03263538A
Cabinet Modules
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