Siemens SIRIUS 3RH1911-1MA20-ZW98 auxiliary switch block, 2 normally open contacts, lifecycle stage current.
The Siemens 3RH1911-1MA20-ZW98 is an auxiliary switch block carrying two normally open (2NO) contacts, designed for snap-on mounting alongside SIRIUS contactors and motor starters in a control panel.
Snap-on mounting to the right side of a 3RT2 contactor or 3RA2 starter — no tools required for installation, and the 2NO configuration provides isolated feedback contacts for PLC inputs or status indication.
The description is AUX. SWITCH BLOCK, 2NO — an auxiliary switch block with two normally open contacts.
This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
No related articles