The RE2.F4C.AC230.S0 gives you four full changeover contacts from one plug-in relay in the standard (no-LED) configuration — a straightforward, cost-effective isolation relay where you don't need the visual coil indicator. Running on 230VAC, it suits control circuits already switching at mains voltage. It's priced well below premium-brand equivalents and held in UK stock for fast dispatch.
Includes:
- Transparent housing for easy visual inspection
- Manual test button and mechanical indicator
- Compatible with standard relay sockets
Requires relay base: RS2.N4CO.14V.S0 (sold separately)
Technical Details
Frequently Asked Questions
What's the difference between this and the RE2.F4C.AC230.L0?
Same relay and contact configuration — this S0 variant has no LED coil indicator, while the L0 variant adds one for at-a-glance status. Choose the LED version if visual confirmation matters for your panel.
Why use a miniature relay instead of switching the load directly?
It lets you control a larger load with a small control current, often at a lower voltage — useful for electrical isolation, latching circuits needing multiple contact sets, or auxiliary functions from spare poles.
Do I need a separate base to mount this?
Yes — this relay requires the RS2.N4CO.14V.S0 relay base, sold separately, for DIN rail mounting.
What does 4PCO mean?
Four independent changeover (pole) contacts, giving flexibility for redundancy, expansion, or driving multiple separate circuits from one relay.
Industry Applications
- PLC output isolation — protecting sensitive control electronics from larger switched loads
- Control panel building — latching circuits, auxiliary signalling, and redundant switching
- Maintenance & fault-finding — quick field replacement via transparent housing and test button

