Accessories
9.5 EMC suppression module
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
318 Manual, 09/2017, A5E03656507120A/RS-AE/006
The EMC suppression module is available in two versions. The table below shows how the
individual versions of the EMC suppression module differ.
Table 9- 21 Differences between versions of the EMC suppression module
RC circuit
• For reducing the rate of rise
• For RF attenuation
The values have been selected such that effective interference
suppression can be achieved across a broad spectrum.
Varistor circuit
The varistor circuit can absorb a high level of energy and can be used
for frequencies ranging from 10 to 400 Hz (controlled operating
mechanisms). There is no limiting below the knee-point voltage.
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