Order number 3RH2140-1AF00 is a genuine Siemens part from the SIRIUS 3RH2 control relays / auxiliary switches range. Official description: contactor relay, 4 NO, 110 V AC, 50/60 Hz, screw terminal, frame size S00.
SIRIUS 3RH2 contactor relays and auxiliary switch blocks are used in control circuits to multiply contacts, interlock starters and interface PLC outputs with higher-power coils.
See our Siemens range.
Technical data
| Siemens order number | 3RH2140-1AF00 |
|---|---|
| Product type designation | 3RH2 |
| Ambient temperature (operation) | -25 … +60 °C |
| Dimensions (W x H x D) | 45 x 57.5 x 73 mm |
| Weight, approx. | 0.22 kg |
| Condition | New, original Siemens |
Features at a glance
- Contactor relay
- 4 NO
- 110 V AC
- 50/60 Hz
- Screw terminal
- Frame size S00
Typical applications
- Replacement of a worn relay or block
- Control circuits and interlocking
- Signalling and auxiliary functions on 3RT2 contactors
- Contact multiplication for PLC outputs
Compatibility and replacement
Check the coil voltage (for contactor relays) or the contactor size (for auxiliary blocks) against the old part before ordering.
Replacement checklist
- Compare the full order number 3RH2140-1AF00 with the label on the old unit, including the last digits (they identify the version).
- Check the supply voltage and wiring of the old unit before installing the new one.
- Check the mounting (DIN rail or screw fixing) and the terminal type (screw or spring-loaded) of the old unit.
Frequently asked questions
Does it fit 3RT2 contactors?
3RH29 auxiliary switch blocks fit 3RT2 contactors of the sizes listed by Siemens in the data sheet.
What contacts does it have?
See the contact arrangement in the Siemens title and table above.
Is it new and original?
Yes. We supply new, original parts in the manufacturer packaging, with a 1-year warranty.
Can I get a datasheet?
The official manufacturer datasheet is the source of the technical data above; we can send the PDF with the quotation on request.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
Before you order
Compare the complete order number on the old unit with this page, including the suffix: in most ranges the last characters set the coil voltage, current range or version. If the label is worn, send us a photo and we will identify the part.
RendatSP ships from Yiwu, China, to factories worldwide; air delivery usually takes 5 to 7 days once the part is ready. The part is new and original with a 1-year warranty (shipping, payment and warranty). For a quotation, message us on WhatsApp with the order number and quantity. We also have agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
