Product description
3.3 Applications
SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
22
Manual, 02/2019, A5E03656507620A/RS-AD/005
3RA2816-0EW20 function module for contactor assemblies for star-delta (wye-delta) start
The function module for plugging into contactor assemblies for star-delta (wye-delta) start for
sizes S00, S0, S2 and S3 comprises the following devices:
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1 basic module with time setting
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2 coupling modules with corresponding connecting cable to coupling or function module
Figure 3-1
Star-delta (wye-delta) starter, completely assembled
The function module replaces the entire control circuit wiring and combines the functions of
the following devices and tasks:
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Timing relay star-delta (wye-delta) function
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Auxiliary switches
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Auxiliary conductor wiring
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Electrical interlock
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Switch position indicator for the contactor below (plunger)