The RE2.F4C.DC024.L0 gives you four full changeover contacts from one plug-in relay, coil-driven at 24VDC — a natural fit for PLC-output-driven control circuits. Its built-in LED and mechanical test button let you confirm relay state and force-test the circuit without disturbing field wiring. It's priced well below premium-brand equivalents and held in UK stock for fast dispatch.
Includes:
- LED Indication
- 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
Why use a miniature relay instead of switching the load directly?
It lets you control a larger load with a small control current — useful for electrical isolation (protecting PLC outputs), latching circuits needing multiple contact sets, or driving auxiliary functions like indication from spare poles.
Does 24VDC mean the switched contacts are also limited to 24V?
No — the 24VDC refers to the coil (control) voltage only. The contacts themselves can switch up to 250V AC as noted in the technical details, letting a low-voltage PLC output control a mains-voltage load.
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 — switching mains-voltage loads from a 24VDC control signal
- Control panel building — latching circuits, auxiliary signalling, and redundant switching
- Maintenance & fault-finding — quick field replacement and visual diagnosis via transparent housing

