0
\$\begingroup\$

I have a Dold Safety relay OA5621OA5621 data sheet on page 2 of the data sheet it lists standard variants:

I have a 24 volt relay, OA5621.52 with 2NO/2NC contacts. I can't figure out what Rsp means, is it the contact resistance or coil resistance?

I need to find the coil resistance, is it 3753 ohms or 960 ohms?

\$\endgroup\$
1
\$\begingroup\$

The coil resistance is 960 Ω, which is consistent with the nominal voltage (24 V) and power (0.6 W). R = V2/P.

I have no idea what those other columns are about.

\$\endgroup\$
1
\$\begingroup\$

Rsp is the coil resistance. Note that the relationship between coil voltage and Rsp gives the same power consumption for all voltages. I believe that 3753 is the "Design version" that you need when determining the complete part number.

\$\endgroup\$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.