Part of the Siemens SIRIUS Contactors family.
Overview
3RH auxiliary contactors and control relays complement the 3RT power range.
Within the Siemens SIRIUS Contactors line, 3RH Auxiliary Contactors part numbers carry the 3RH prefix. Palm Parts Solution catalogues 15 distinct 3RH Auxiliary Contactors part numbers, including 3RH1131-1BB40, 3RH1140-1BB40, 3RH1911-1FA22 and 3RH1921-1CA01.
Every catalogued part number in this series is classified as Contactors.
Ratings, physical format and revision level differ from one 3RH Auxiliary Contactors part number to the next; the individual product page carries the data recorded for that specific item.
3RH Auxiliary Contactors parts
Siemens 3RH1131-1BB40
$80.00
Siemens 3RH1140-1BB40
$82.00
Siemens 3RH1911-1FA22
$96.00
Siemens 3RH1921-1CA01
$52.00
Siemens 3RH1921-1CA10
$60.00
Siemens 3RH1921-1DA11
$25.00
Siemens 3RH1921-1EA11
$62.00
Siemens 3RH1921-1FA22
$40.00
SIEMENS 3RH1921-1HA22
$38.00
Siemens 3RH2122-1BB40
$120.00
Siemens 3RH2122-2BB40,
$200.00
Siemens 3RH2131-1BB40
$85.00
Specifications
| Attribute | Detail |
|---|---|
| Manufacturer | Siemens |
| Product family | SIRIUS Contactors |
| Series | 3RH Auxiliary Contactors |
| Part-number prefixes | 3RH |
| Distinct part numbers catalogued | 15 |
| Product types represented | 1 |
| Condition | New, Refurbished, or Surplus (varies by listing) |
Part numbers by product type
- Contactors — 15 part numbers catalogued (e.g. 3RH1131-1BB40, 3RH1140-1BB40, 3RH1911-1FA22, +12 more)
How to read these part numbers
Every item in this series is listed under its full Siemens part number, so the 3RH reference on the nameplate is the reference to search. Where a part number exists in more than one hardware or firmware revision, the revision recorded for the item appears on its product page. Specifications not recorded in our catalogue for a given part number are confirmed with the sourcing team before quoting.
More from this series
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Frequently asked questions
What does the 3RH Auxiliary Contactors series include?
The 3RH Auxiliary Contactors series is part of the SIRIUS Contactors family from Siemens. It groups related catalog numbers that share form factor, I/O type and communication protocol — making it easy to find drop-in replacements.
Is 3RH Auxiliary Contactors compatible with newer Siemens hardware?
In most cases yes. 3RH Auxiliary Contactors units interoperate with current Siemens programming software and communication backbones. Contact us with your firmware revision and we will confirm before shipping.
Can I get 3RH Auxiliary Contactors parts refurbished with warranty?
Yes. We offer refurbished 3RH Auxiliary Contactors modules tested to OEM specs with a 1-year replacement warranty. New surplus stock is also available when supply permits.
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