SIRIUS 3RT2 contactors/contactor assemblies
2.7 Accessories
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
181
The EMC suppression module is available in two versions. The table below shows how the
individual versions of the EMC suppression module differ.
Table 2- 33 Differences between versions of the EMC suppression module
EMC suppression module Preferred application
9
9
˩V W
9
RC circuit
ï‚· For reducing the rate of rise
ï‚· For RF attenuation
The values have been selected such that effective interference
suppression can be achieved across a broad spectrum.
9
9
˩V
W
9
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.