The Omron PYF08A-E is an 8-pin front-connecting socket for DIN track or screw mounting, designed for MY2 series relays and H3Y-2 timers. The socket is rated 7 A. The -E suffix marks the version that conforms to UL508 and CSA22.2.
The socket is the half of a plug-in relay installation that does the real work. It holds the field wiring permanently, so when a relay contact finally welds or wears out the machine is back in production in under a minute: unclip the old relay, push in the new one, done. That is why panel builders specify sockets even for relays that would physically solder in, and why a stock of spare sockets belongs next to the stock of spare relays.
Socket and Relay Compatibility
| Socket | Pins | Fits | Notes |
|---|---|---|---|
| PYF08A-E | 8 | MY2 relays, H3Y-2 timers | Rated 7 A |
| PYF14A-E | 14 | MY4 relays, H3Y-4 timers | Rated 5 A |
| PTF08A | 8 | LY2 relays | Front-connecting |
| PTF14A | 14 | LY4 relays | Front-connecting |
| P2RF-05-E | 5 | G2R-1 relays | Slim, 1-pole |
| P2RF-08-E | 8 | G2R-2 relays | Slim, 2-pole |
Pin count is not a preference, it is a physical constraint. A two-pole relay has eight pins and a four-pole relay has fourteen, and the families do not cross over: an MY relay will not seat correctly in an LY socket even where the pin count matches, because the pin layout and the coil terminal positions differ.
Mounting and Accessories
The socket clips onto standard 35 mm DIN rail and can also be screw-mounted directly to a back plate. Where the panel is subject to vibration, fit a hold-down clip over the relay: the PYC series covers the PYF sockets and keeps the relay seated. End plates and marker strips let a row of sockets be built up and labelled cleanly.
Typical Applications
- Interface relay rows between a PLC and the field wiring
- Control panels for packaging, filling, bottling and conveying lines
- Retrofit and rewiring work where existing relays are being standardised
- Spare stock so a failed relay can be swapped without cutting wires
Frequently Asked Questions
What relays fit the Omron PYF08A-E?
It is designed for MY2 series relays and H3Y-2 timers.
Can I use an 8-pin socket with a 14-pin relay?
No. A four-pole relay has fourteen pins and needs a fourteen-pin socket. Pin counts must match exactly.
Is this socket for DIN rail or screw mounting?
Both. It clips onto standard 35 mm DIN rail and has holes for direct screw mounting to a back plate.
Do I need a hold-down clip?
It is recommended wherever the panel vibrates, for example on a machine frame rather than in a separate cabinet. The PYC series clips fit the PYF sockets.
What does the -E suffix mean?
It marks the version that conforms to UL508 and CSA22.2, which matters when the panel has to be certified for export.
