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The Siemens 3RH2921-1DA20 auxiliary contact is a lateral, side-mounted switch block. It features 2 normally open (N.O.) contacts and screw terminals. Designed for installation on S0 and Size S2 contactors, this auxiliary switch block easily snaps onto the front of the contactors. It has a centrally positioned release lever for disassembly.
This Siemens auxiliary switch block is designed for easy installation and removal, enhancing the functionality of contactors.
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