20.21.8.230.4000
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New Sealed
Full 24 months warranty Est. shipping: July 24 2026 |
WM75-20 | 10+ in stock | £23.00 | Add to Cart |
| Buying more than one? | Get Quote |
The Finder 20.21.8.230.4000 is a modular, bistable impulse relay designed for direct mounting on a 35mm DIN rail. It features a single-pole normally open (SPST-NO) contact configuration with a switching capacity suitable for 16A at 230V AC. The relay has a compact width of approximately 17.4 mm, making it suitable for installation in control panels and automation systems. It can be connected with illuminated push buttons for impulse switching applications and includes a test button and mechanical indicator for easy operation and status monitoring.
Finder was founded in 1954 in Italy by Piero Giordanino with the invention of the step relay. Since then, the company has grown into a specialist in relays, timers, and building automation products. Today Finder operates in over 80 countries with production in Italy, France, and Spain, supplying trusted solutions for industrial, commercial, and residential applications.
Get a Quote
What Happens Next?
Email Confirmation
We’ll send you an email confirming that we’ve received your enquiry and are processing your request.
Dedicated Account Manager
A member of our team will be in contact to confirm the part(s), specifications, and condition.
Your Quote
You will receive a comprehensive quote tailored to your specific needs.
Track Your Shipment
You'll receive tracking details once your order ships so you can follow it's progress.
Online Payments Accepted
If you're happy with your quote, you can pay by Bank Transfer or through our secure payment page using any of the following payment methods, just enter your invoice number and follow the on-screen instructions.
Other Finder Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE