The Siemens 3RH1921-2HA22-8YY8 is a 4-pole auxiliary contact block, part of the 3RH contactor accessory family. It mounts on the front of a 3RT2 contactor or on a DIN rail, adding isolated N/O or N/C contacts for status feedback, interlocking, or PLC input signals in a motor control panel.
Siemens 3RH1921-2HA22-8YY8 Auxiliary Contact Block, 4-Pole
MPN3RH1921-2HA22-8YY8
Siemens 3RH1921-2HA22-8YY8, 4-pole auxiliary contact block, Contactors and Starters, current production.
$37.24Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.37 kgs |
Product details
Frequently asked questions
Where can I buy 3RH1921-2HA22-8YY8?
The 3RH1921-2HA22-8YY8 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
3RH1921-2HA22-8YY8