Siemens Auxiliary switch lateral, screw, 2NO current pathProduct Overview The 3RH2921 1DA20 is a lateral auxiliary switch designed for expanding auxiliary contacts in control circuits. This snap on side mount auxiliary contact block features 2 normally open (NO) contacts with screw terminals and is specifically designed for use with 3RT2 contactors and 3RH2 contactor relays. The compact design provides reliable switching capabilities for industrial automation applications. Key Features Contact
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Siemens Auxiliary switch lateral, screw, 2NO current path