Omron PYF14A-N Relay Socket — Specs, Compatibility & Where to Buy

By Abdullah Zahid
14 min read
Omron PYF14A-N 14-pin screw terminal relay socket for MY4 and MY2K relays on DIN rail in industrial control panel

Omron PYF14A-N Relay Socket: 14-Pin DIN Rail and Surface Mounting Socket for MY Series Relays

If you are specifying or sourcing a relay socket for an Omron MY4 or MY2K installation, the Omron PYF14A-N is the part most engineers reach for first — and with good reason. This 14-pin, 4-pole screw-terminal socket supports both DIN rail and surface mounting, making it the direct mechanical and electrical interface between Omron MY series plug-in relays and your panel field wiring. Before you commit a line on your BOM, this review covers confirmed specifications, correct-fit criteria, variant comparisons, and the ordering mistakes that generate the most project delays.

If you have already confirmed this is the right part, check current pricing and availability for the Omron PYF14A-N at LeadTime.ca — ships worldwide.

Who Should Buy the Omron PYF14A-N — and Who Should Not

The Omron PYF14A-N is the right socket if every one of the following statements is true for your application:

  • You are mounting an Omron MY2K, MY4, or MY4-GS relay with a 14-pin, 4-pole base.
  • Your panel uses DIN rail mounting or surface/screw mounting — this socket supports both.
  • Screw terminals are acceptable under your site wiring standard and any applicable inspection requirements.
  • Your load and control voltage fall within the rated current and insulation specifications of the PYF14A-N and the paired relay.
  • Standard UL, CSA, or IEC/VDE approvals meet your inspector's requirements without a mandatory finger-safe terminal design.
  • You are not replacing an 8-pin socket for a 2-pole relay — the PYF14A-N is a 14-pin part and is not interchangeable with 8-pin variants.

If your project requires finger-safe terminals, spring-clamp connections, or a non-MY-series relay footprint, the PYF14A-E, PYFZ-14-E, or another socket family will be a better fit. Those variants are covered in the comparison section below.

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What the Omron PYF14A-N Actually Does in a Control Panel

The Omron PYF14A-N is a plug-in relay socket — specifically a 14-pin, 4-pole base for Omron MY series general-purpose relays. Its job is to provide the mechanical housing and screw-terminal wiring interface that sits permanently in the panel while the relay itself clips in and out. This separation is the entire value proposition of the plug-in relay model: your field wiring terminates to the socket once, and the relay can be swapped without touching a single wire.

Omron specifies the PYF14A-N as directly compatible with MY2K, MY4, MY4-GS, and related MY series relays. The socket does not carry a coil or contact voltage rating of its own in isolation — the electrical load and switching ratings come from the relay inserted into it. What the socket contributes is the mechanical interface, the terminal block for field wiring, and a housing that maintains the pin-to-terminal mapping required by the MY series pinout. The compact form factor, confirmed by Omron's mechanical data at approximately 30 mm in width, makes it practical for high-density DIN rail arrangements where panel real estate is tight.

Typical System Architecture for PYF14A-N Deployments

The PYF14A-N sits between the PLC discrete output layer and the field load, functioning as the mechanical and electrical bridge that keeps control wiring independent from load wiring. A typical deployment chain looks like this:

  • PLC or controller discrete output module provides a low-voltage switching signal to the relay coil terminals on the PYF14A-N.
  • The Omron MY4 or MY2K relay plugs into the socket, using the 14-pin interface to connect coil and four sets of contacts to the terminal block.
  • Field load wiring — solenoids, small motor starters, contactors, or signal circuits — terminates to the contact-side screw terminals on the socket.
  • External fusing or circuit protection is wired in series with the load circuit; the socket and relay together do not provide intrinsic overcurrent protection.
  • DIN rail hardware, hold-down clips, and identification tags are used to complete the mechanical assembly and label the assembly for maintenance access.

Where the PYF14A-N Gets Specified: Industries and Use Cases

The most common deployment for the PYF14A-N is as an interposing relay socket in PLC-controlled machinery, where the socket mounts on the DIN rail inside a control enclosure and the MY4 relay provides isolation between a 24 VDC PLC output and a higher-voltage or higher-current load such as a solenoid valve or motor starter coil. This scenario appears constantly in OEM machine designs, packaging lines, and material handling systems.

Panel builders working on general-purpose I/O marshalling cabinets use PYF14A-N sockets as part of a standardized relay interface layer, grouping multiple MY relay and socket assemblies on a common DIN rail section. This approach gives maintenance technicians a fast, labeled swap-out point for fault isolation without specialized tools.

In retrofit and MRO contexts, the PYF14A-N is frequently ordered as a replacement for worn or damaged sockets in existing installations that were originally built around Omron MY series relays. Staying within the same socket family avoids re-wiring the terminal block and keeps the original panel documentation accurate.

Building automation and HVAC control panels represent a secondary but consistent use case, where MY relay plus PYF socket assemblies are used for low-cycle switching of HVAC actuators, fans, and alarm circuits in environments that call for UL or CSA-listed components.

Application Typical Deployment
OEM machine control panel MY4 relay in PYF14A-N on DIN rail, interposing between PLC output and load contactor coil
PLC I/O marshalling cabinet Multiple PYF14A-N sockets ganged on DIN rail as labeled relay interface tier for signal isolation
Packaging and material handling MY2K or MY4 relay in PYF14A-N driving solenoid valves or small pneumatic actuators
HVAC and building automation PYF14A-N with MY relay switching HVAC actuators and alarm output circuits in UL-listed panels
MRO and retrofit replacement Direct like-for-like socket replacement in existing panels standardized on Omron MY series
Process control skids MY4 relay in PYF14A-N for solenoid valve and pilot light control in water/wastewater applications

Specifications That Matter at the Point of Purchase

Parameter Value / Detail
Socket function 14-pin plug-in relay socket / relay base
Number of poles / pins 4-pole, 14-pin
Compatible relay families Omron MY2K, MY4, MY4-GS, and related MY series models per Omron compatibility table
Terminal type Screw terminals, front-connecting
Mounting method DIN rail mounting and surface/screw mounting (both supported)
Approximate width Approximately 30 mm (confirm exact value from Omron datasheet)
Housing color Beige
Approvals IEC/VDE, UL, CSA — confirm applicable certifications from Omron datasheet
Rated current (typical) Approximately 5 A — confirm exact value and conditions from Omron datasheet
Accessories Hold-down clip and release lever available separately

Full technical specifications are available on the product page at LeadTime.ca.

PYF14A-N vs PYF14A-E vs PYFZ-14-E: Which 14-Pin Socket Do You Need?

Model Pin Count Terminal Style Key Differentiator Best For
PYF14A-N 14-pin Screw terminals Standard DIN rail and surface mount; conventional screw terminal wiring MY2K/MY4 panels where finger-safe terminals are not required
PYF14A-E 14-pin Screw terminals Different regional suffix; verify specific approval and terminal differences with Omron documentation Applications where -E variant approvals or features are specified
PYFZ-14-E 14-pin Screw terminals Finger-safe terminal design; often the recommended successor in newer Omron documentation Panels requiring touch-proof or finger-safe terminal compliance
PYF08A-N 8-pin Screw terminals 8-pin socket for 2-pole MY relays — NOT interchangeable with 14-pin models MY2/MY2K 2-pole relay mounting only

If your application requires finger-safe terminal compliance or you are designing a new panel and want to future-proof against lifecycle changes, the PYFZ-14-E is worth evaluating before committing to a large PYF14A-N buy. For existing Omron MY relay installations where the current socket is simply being replaced like-for-like, the PYF14A-N remains the direct match — check current availability at LeadTime.ca.

Expert Verdict: Is the Omron PYF14A-N Still the Right Long-Term Spec?

The Omron PYF14A-N earns its place on most BOMs by doing exactly what a relay socket should do: it sits in the background, holds the relay securely, provides a clean screw-terminal wiring interface, and stays out of the way until maintenance needs to swap a relay. Its 14-pin 4-pole configuration is the direct match for widely deployed MY4 and MY2K relays, its dual mounting support covers both DIN rail and surface-mount panel layouts, and its compact approximately 30 mm width makes it practical in high-density enclosures. For controls engineers and panel builders who have already standardized on the Omron MY relay family, specifying the PYF14A-N keeps the selection process simple and replacement stock unified. It is the right socket if your inspection requirements are satisfied by standard screw-terminal construction and you are not being asked to meet finger-safe terminal standards.

The honest limits are worth stating directly. The PYF14A-N does not offer spring-clamp terminals, pluggable wiring interfaces, or the finger-safe terminal geometry that some newer panel standards and regional inspectors now require. If those features matter to your project, the PYFZ-14-E is the more appropriate choice. Equally, if you are not using Omron MY-series relays — if your relay is an LY, G2R, or a relay from a different manufacturer — the PYF14A-N pinout and footprint will not match, and forcing compatibility is a commissioning risk. The 8-pin PYF08A-N is similarly not a substitute: pin count drives the selection, and 14-pin and 8-pin sockets are not interchangeable under any circumstances. Lifecycle status is also worth a check before placing a large order; confirm with your distributor whether the PYF14A-N is active in your region or whether Omron's current recommendation points to a PYFZ variant.

From a procurement standpoint, the PYF14A-N is broadly held in stock by major distributors across North America, and typical lead times when out of stock are measured in days to a few weeks rather than months — making it a relatively low supply-chain risk compared to many other automation components. That said, the suffix confusion between -N, -E, and PYFZ variants is a real and recurring source of wrong-part orders, and this is exactly where working through a specialist distributor adds tangible value. LeadTime.ca can validate compatibility with your specific relay model, confirm lifecycle status, and flag if a current Omron successor is a better long-term choice before you commit a quantity to stock. Check the current PYF14A-N listing at LeadTime.ca for pricing and availability, or contact the team if you need a compatibility check before ordering.

For volume pricing, build-schedule planning, or to confirm stock before releasing a large panel shop order, contact the LeadTime.ca team directly — we ship worldwide.

What Engineers Need to Know Before Ordering the Omron PYF14A-N

Community discussion specific to the PYF14A-N catalog number is limited, but panel builders and controls engineers who discuss the Omron PYF and MY families across forums including Reddit r/PLC, PLCTalk, PLCS.net, and MrPLC consistently describe these sockets as dependable, workmanlike components. The recurring theme in community feedback is not field failures — it is ordering and selection errors that surface before the parts even reach the panel. Engineers report two categories of mistakes with enough consistency to treat them as structural risks rather than edge cases.

The first is the suffix problem. Ordering PYF14A without specifying the full catalog number — including the -N, -E, or PYFZ designation — is a well-documented source of receiving the wrong variant. Different suffixes carry different terminal configurations and safety ratings, and substituting one for another without checking the Omron compatibility documentation can create approval and inspection issues even if the relay physically seats into the socket. The second is the pin-count error: ordering an 8-pin PYF08A-N when a 14-pin socket was needed for a 4-pole MY relay, or the reverse, because the distinction was not visible in an old or abbreviated BOM description. Both mistakes generate project delays that a single compatibility check before ordering would have prevented entirely.

When community feedback is sparse for a specific part, the practical substitute for crowd-sourced guidance is expert distributor knowledge. At LeadTime.ca, the team works with Omron relay and socket families regularly and can cross-reference your relay model against the correct socket variant, check whether the PYF14A-N is the current active part for your region, and identify whether the PYFZ-14-E or another successor is a better specification for new designs. If you are re-ordering from an old BOM or substituting in a retrofit, that one conversation can prevent the kind of wrong-part arrival that stops a panel build mid-schedule.

Wiring and Installation Overview

  • Mount the PYF14A-N on DIN rail or secure to the panel surface using screws before running any field wiring — confirm the socket is firmly seated and correctly positioned relative to adjacent components and DIN rail spacing requirements.
  • Terminate field wiring to the screw terminals using the correct wire strip length per Omron's datasheet; use ferrules where your wiring standard requires them and tighten terminal screws to Omron's specified torque to avoid both loose connections and terminal damage.
  • Assign coil and contact terminals strictly according to Omron's pinout diagram for the paired MY relay — coil and contact pins must not be transposed; verify assignments against the relay datasheet before energizing.
  • Insert the compatible MY relay fully into the socket, confirming correct pin alignment and complete seating; attach a hold-down clip if used, and label the socket and relay assembly to support future maintenance.
  • Apply external circuit protection — fusing or circuit breakers — sized for the actual load current; the PYF14A-N and relay together do not provide intrinsic overcurrent protection, and this step is mandatory before commissioning.

For full wiring diagrams, terminal torque values, and commissioning procedures, refer to the official Omron datasheet and installation documentation for the PYF14A-N and the specific MY relay being used.

Compatible Relays and Accessories

The Omron PYF14A-N is specified for use with the following relay models and supports a small set of panel accessories that complete the mechanical installation:

  • Omron MY2K — 2-pole, 8-pin relay (confirm 14-pin variant requirement; see wrong-part notes)
  • Omron MY4 — 4-pole, 14-pin general-purpose relay; the primary target application for this socket
  • Omron MY4-GS — 4-pole, 14-pin relay with gold-plated contacts for low-level signal switching; compatible per Omron compatibility tables
  • Hold-down clip — ordered separately; prevents the relay from vibrating free in high-vibration environments
  • Release lever — available as a separate accessory; assists relay extraction without tools during maintenance
  • Identification tags — panel labeling accessories compatible with PYF series sockets for maintenance documentation

Note that exact coil voltage and contact current ratings are determined by the specific MY relay inserted, not by the socket. Always confirm the relay and socket combination together against your load and control voltage requirements.

Wrong-Part Prevention: Confirm These Eight Points Before You Order

The following checklist is drawn directly from Omron application guidance and common ordering mistakes. Work through every item before placing your order:

  1. Confirm you need a 14-pin socket for a 4-pole MY relay (not an 8-pin socket for 2-pole relays).
  2. Verify the relay family: MY2K/MY4/MY4-GS compatible with PYF14A-N; do not mix with LY, G2R, or other series without checking pinouts.
  3. Check mounting method: ensure DIN rail type and panel layout match a front-connecting socket.
  4. Confirm terminal style: screw terminals are acceptable for your wiring standard (vs. spring clamp or plug-in blocks).
  5. Verify voltage/current ratings and insulation level against the load and control voltage used.
  6. Check regional approvals (UL, CSA, IEC/VDE) and whether your inspector requires finger-safe variants.
  7. Confirm lifecycle status and substitution rules; if distributors show "obsolete", check whether PYFZ-14-E or another socket is the recommended replacement.
  8. Double-check catalog number suffixes (-N vs -E vs other) before ordering, especially when re-using old BOMs.

If any of these checks raises a question you cannot resolve from the datasheet alone, contact the LeadTime.ca team before ordering — confirming the right part takes minutes and prevents delays that can run days or weeks.

Frequently Asked Questions

Which Omron relays are confirmed compatible with the PYF14A-N socket?

Omron specifies the PYF14A-N for use with MY2K, MY4, and MY4-GS relays from the MY series general-purpose relay family. These are 14-pin, 4-pole relays that match the socket's pin count and footprint. Compatibility with other relay families — LY, G2R, or non-Omron brands — requires checking pinout diagrams before assuming any physical fit is electrically correct.

Can I substitute a PYFZ-14-E for a PYF14A-N in an existing panel without rewiring?

The PYFZ-14-E is Omron's finger-safe terminal variant for the 14-pin socket and is often referenced as a successor or upgrade option. Whether it is a direct drop-in replacement for the PYF14A-N in your specific panel depends on the physical terminal layout, mounting hardware, and any documentation or approval constraints on your existing installation. Confirm with Omron's compatibility tables and, if in doubt, consult a specialist distributor who can cross-reference both part numbers against your relay and panel design.

Does the PYF14A-N include a hold-down clip or release lever?

Based on Omron's accessory structure for the PYF family, hold-down clips and release levers are available for this socket family but are ordered separately — they are not included with the socket itself. Confirm the specific accessory part numbers with your distributor when placing the socket order, particularly for vibration-prone applications where a hold-down clip is mandatory.

What wire sizes and ferrule types work with the PYF14A-N screw terminals?

The PYF14A-N uses front-connecting screw terminals. The exact supported wire size range — solid and stranded conductors, and ferrule compatibility — is specified in the Omron datasheet for this model. Always strip conductors to the length specified in the datasheet and tighten terminal screws to Omron's stated torque to prevent both loose connections and terminal damage. Do not use the approximate 5 A current rating as a wire sizing guide in isolation — size conductors per the actual load current and your local wiring code.

Is the PYF14A-N still an active part, or should new designs specify a newer socket?

Lifecycle status for specific Omron catalog suffixes varies by region and can change as product families are updated. The -N suffix designation and the broader PYF family have been in service for many years, and the PYFZ-14-E is frequently referenced in newer Omron documentation as a current alternative with finger-safe terminals. For new panel designs where long-term availability matters, it is worth asking your distributor to confirm current lifecycle status and whether Omron has published a recommended successor for the PYF14A-N in your region before committing to a standardized design.

Is the PYF14A-N approved for use in UL and CSA-listed panels in North America?

Omron lists applicable approvals including IEC/VDE, UL, and CSA for the PYF relay socket family. Confirm the exact approval markings on the current production PYF14A-N datasheet and verify with your distributor that the part you are ordering carries the specific certifications required by your panel certification body and any regional inspector requirements.

Why Order the Omron PYF14A-N From LeadTime.ca

  • Global shipping — LeadTime.ca fulfills orders worldwide, not just within a single region or country.
  • Omron relay socket expertise — the team can cross-reference PYF14A-N against your specific MY relay model and flag suffix or lifecycle issues before the order is placed.
  • Hard-to-find and lifecycle-risk sourcing — if PYF14A-N stock is constrained or a successor part is needed, LeadTime.ca can identify current Omron alternatives and confirm compatibility.
  • Volume pricing — quantity breaks are available; contact the team for pricing on 10+, 50+, or 100+ piece orders.
  • Fast response — sourcing inquiries and quote requests are handled directly, not through automated queues.

At-a-Glance Summary

  • The Omron PYF14A-N is a 14-pin, 4-pole relay socket designed for Omron MY2K, MY4, and MY4-GS general-purpose plug-in relays.
  • Mounting options include both DIN rail and surface/screw mounting — front-connecting screw terminal interface.
  • Approximate socket width is 30 mm, making it suitable for high-density DIN rail panel layouts.
  • Typical current rating is approximately 5 A — confirm exact value and conditions from the Omron datasheet.
  • Housing is beige; approvals include IEC/VDE, UL, and CSA — verify current datasheet for exact certification markings.
  • Hold-down clips and release levers are available as separately ordered accessories.
  • The PYFZ-14-E is the finger-safe terminal alternative for applications where touch-proof construction is required.
  • The PYF08A-N is the 8-pin socket for 2-pole relays — it is not interchangeable with the 14-pin PYF14A-N.
  • Confirm full catalog number suffix (-N vs -E vs PYFZ) and lifecycle status before ordering, especially when working from older BOMs.
  • Pricing is available on the product page; contact LeadTime.ca for volume quote and availability confirmation.

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