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The Siemens Auxiliary Contact Block with MPN 3RH2911-1DA11 is designed for use with 230 Volt, 6 Amp systems. This device features one normally open (1NO) and one normally closed (1NC) contact configuration. It easily mounts laterally on 3RT2 contactors without the need for tools.
This auxiliary switch expands the control capabilities in a circuit and provides reliable operation for various applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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