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The SIEMENS 3RR21431AW30 is an industrial current monitoring relay designed for continuous supervision of motor currents and load conditions in industrial control panels. These relays mount directly onto RT2 contactors for compact motor starter assemblies. It is designed for monitoring 3-phase systems.
The SIEMENS 3RR21431AW30 monitoring relays are available in size S2 and designed for monitoring 3-phase systems.
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