The Siemens 3RH2244-1AP00 is described by Siemens as: contactor relay, 4 NO + 4 NC, 230 V AC, 50/60 Hz, screw terminal, frame size S00, captive auxiliary switch.
They share the size S00 housing and accessories of the 3RT2 contactors, so the same snap-on auxiliary blocks and surge suppressors fit.
See our Siemens range.
Technical data
| Siemens order number | 3RH2244-1AP00 |
|---|---|
| Product type designation | 3RH2 |
| Ambient temperature (operation) | -25 … +60 °C |
| Dimensions (W x H x D) | 45 x 57.5 x 117 mm |
| Weight, approx. | 0.268 kg |
| Condition | New, original Siemens |
Key features (per Siemens)
- Contactor relay
- 4 NO + 4 NC
- 230 V AC
- 50/60 Hz
- Screw terminal
- Frame size S00
- Captive auxiliary switch
Typical applications
- Replacement of a worn relay or block
- Signalling and auxiliary functions on 3RT2 contactors
- Control circuits and interlocking
- 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.
What to check first
- Look for signs of overvoltage, water or heat damage in the cabinet so the new part does not fail for the same reason.
- Check the mounting (DIN rail or screw fixing) and the terminal type (screw or spring-loaded) of the old unit.
- Check the supply voltage and wiring of the old unit before installing the new one.
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.
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.
Is it new and original?
Yes. We supply new, original parts in the manufacturer packaging, with a 1-year warranty.
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.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
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.





