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SIEMENS CONTACTOR RELAY 3RH21
SIEMENS 3RH21 Contactor Relays - Rated operational voltage as indicated.(image illustrative only, device may differ from image)
Find the table below as guidance to your requirements.
Contactor relays are switching devices for control and auxiliary circuits and are used to control, provide signals and interlock switching devices and switchgear panels.
Designed for AC or DC operation. The basic version of the contactor relays has 4 poles.
Contactor Relays are noted for their excellent reliability and high contact stability.