Siemens S120 - 3 Power Module; Power Module Blocksize (Pm340); Description

Siemens S120_EN_rev06-08062017.docx 3-1
3 POWER MODULE
3.1 POWER MODULE BLOCKSIZE (PM340)
3.1.1 Description
The Power Module in the Blocksize format are the inverter power modules and theirs size are identified with
letters, from FSA to reach FSF.
They consist of the following components:
• Line-side diode rectifier
• DC link electrolytic capacitors with pre-charging circuit
• Output inverter
• Braking chopper for (external) braking resistor
• 24 V DC / 1 A power supply
• Gating unit, actual value acquisition
• Fan to cool the power semiconductors
The Power Modules cover the power range to 90.0 kW (178A) and are supplied in
versions with line filter with reference to the standard EN 61800-3
Table 1 Overview, Power Modules PM340 (selection)
Power Module frame size FSB,
with and without integrated line
filter
Power Module frame size FSC,
with and without integrated line
filter