Schneider RXZE2S114M — Relay Socket Compatibility & Selection Guide

By Abdullah Zahid
14 min read
Schneider Electric RXZE2S114M 14-pin screw terminal relay socket for RXM2 and RXM4 relays on 35mm DIN rail

Schneider Electric RXZE2S114M Socket, Harmony Electromechanical Relays, for RXM2 and RXM4 Relays with Separate Contact Terminals and Screw Connectors — Specifications, Compatibility and Selection Guide

Controls engineers sourcing a DIN rail relay socket for an RXM series relay installation are typically at the final confirmation stage — relay family identified, panel layout sketched, field wiring ready. The Schneider Electric RXZE2S114M is the correct socket for that exact configuration: a 14-pin screw-terminal socket rated at 250VAC and 10A continuous thermal current, designed exclusively for Schneider RXM2 and RXM4 four-changeover-contact plug-in relays on 35mm symmetrical DIN rail. The decision usually comes down to one verification: does the relay on hand match RXM2 or RXM4? If the nameplate confirms it, this socket is the part to order.

If you have already confirmed the relay series and panel voltage, check current pricing and availability for the RXZE2S114M at LeadTime.ca — ships worldwide.

Who Should Buy the RXZE2S114M — and Who Shouldn't

The RXZE2S114M is the right socket when all of the following are true for your application:

  • Your plug-in relay is a Schneider Electric RXM2 or RXM4 series (four changeover contacts, 14-pin connector) — confirmed by reading the relay nameplate, not assumed from the RXM family name alone
  • Application voltage does not exceed 250VAC at the control circuit terminals
  • Sustained continuous contact load current stays at or below 10A — calculated from steady-state operating current of all downstream devices, not peak inrush
  • Your control panel uses standard 35mm symmetrical DIN rail (T-slot or C-slot profile)
  • Field wiring is solid copper conductor between 0.5mm² and 2.5mm² (AWG 20 to AWG 14) without insulated cable lugs

If your relay is an RXM3, REXL, or any series not listed above, this socket will not physically accept the relay — a different socket is required. If sustained load current exceeds 10A, specify a hard-wired terminal block or higher-rated relay configuration instead.

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What the RXZE2S114M Actually Does in a Control Panel

The RXZE2S114M is a modular relay socket — the fixed mounting point in the panel that receives a plug-in relay module while keeping field wiring permanently terminated and undisturbed. Its functional role is straightforward but operationally significant: the screw terminals on the socket connect permanently to the control circuit conductors, and the RXM relay module plugs into the 14-pin connector from above. When a relay fails or needs replacement, a technician pulls the old module and seats a new one without touching a single field wire.

This separation of the relay's switching function from its field terminations is the core value of socket-based relay architecture. In panel environments where terminal congestion is a real space constraint — and where unplanned relay failures must be resolved without an extended shutdown — the RXZE2S114M's 27mm panel footprint and screw-terminal design translate directly into faster maintenance cycles and reduced re-commissioning risk. The socket's 2500V dielectric strength between contacts meets IEC 61984, confirming the electrical isolation between the relay module and field terminals meets the international standard for industrial relay sockets.

Weight at approximately 0.07kg and fixed orientation for both DIN rail and panel screw mounting, the socket adds negligible structural load while delivering certified compliance with UL, CSA, CE, Lloyd's, and RoHS requirements — a combination that makes it suitable for OEM equipment destined for multi-region deployment without socket-level re-qualification at each destination.

Where the RXZE2S114M Sits in a Typical Relay Control System

The RXZE2S114M sits between the fixed field wiring harness and the replaceable relay module, acting as the mechanical and electrical bridge that decouples maintenance from termination. In a standard DIN rail control panel, the signal and load chain typically looks like this:

  • Control power source (transformer secondary or regulated DC supply, ≤250VAC) feeds the relay coil circuit upstream
  • Field signal conductors (solid copper, 0.5–2.5mm²) terminate permanently in the RXZE2S114M screw clamps
  • The RXZE2S114M mounts on 35mm symmetrical DIN rail and presents the 14-pin connector interface to receive the relay module
  • The RXM2 or RXM4 relay module plugs into the socket, completing the four changeover contact circuits
  • Downstream load devices — solenoids, pilot lights, motor starter coils, timers — connect through the relay's switched contacts back to the field terminals on the socket

Industries and Applications Where This Socket Fits

In discrete manufacturing, the RXZE2S114M appears most often in machine tool and assembly line control panels where relay logic handles interlock, safeguarding, and auxiliary output switching. The socket's compact 27mm width allows multiple relay positions per DIN rail section, reducing enclosure size in multi-relay panel designs where terminal block real estate is a limiting factor.

OEM equipment builders standardizing on modular Schneider relay architecture specify this socket because it simplifies field service. An OEM shipping equipment globally needs its relay positions to be serviceable by local technicians without specialized tools or re-wiring expertise. The RXZE2S114M's screw terminal and plug-in relay format achieves that — a replacement RXM relay module seats in seconds, and the socket's 18-month contractual warranty provides the defect coverage window that aligns with typical OEM commissioning cycles.

Process automation environments — HVAC controls, water treatment panels, chemical batch sequencing — use this socket where relay contact loads stay within the 10A continuous thermal current rating and control voltages are standard 120VAC or 24VAC. Retrofit projects replacing aging hard-wired relay terminal strips frequently specify the RXZE2S114M to consolidate wiring and free up panel space without redesigning the control logic.

Facilities maintenance teams running existing Schneider relay infrastructure find the socket particularly useful as a maintenance-stock item. Keeping sockets and RXM relay modules on the shelf means a technician responding to a relay fault can complete the swap and restore the circuit without waiting on a parts order.

Application Typical Deployment
Legacy machine retrofit Replacing point-to-point wired relays with RXZE2S114M socket and RXM4 module to reduce terminal congestion and simplify future swaps
OEM equipment export Standardized DIN rail relay positions using RXZE2S114M for multi-region serviceability without re-wiring
HVAC and process control Auxiliary relay switching at ≤10A continuous for fan, valve, and pilot light circuits on 120VAC control power
Maintenance stock replacement Technician swapping failed RXM relay module in-field with socket and field wiring left intact
Temporary or pilot automation line Rapid relay logic deployment using socket-based modular components without permanent hard-wired terminal commitment
Control panel integrator builds Compact multi-relay panels for machine tools and assembly systems where 27mm socket footprint optimizes DIN rail utilization

Key Specifications and Ratings for the RXZE2S114M

Specification Value Notes
Rated Voltage 250VAC maximum Do not exceed; confirm control circuit voltage before installation
Continuous Thermal Current 10A Sustained steady-state load; calculate from all downstream devices
Current with Bus Jumper 5A Reduced-current configuration via jumper
Contact Arrangement 4 Changeover (4 CO) Via 14-pin connector; compatible with RXM2 and RXM4 only
Dielectric Strength 2500V IEC 61984 compliant; industrial-grade contact isolation
DIN Rail Mounting 35mm symmetrical Standard T-slot or C-slot; non-standard rail widths incompatible
Width 27mm Horizontal footprint on DIN rail
Operating Temperature -40°C to +55°C Upper limit approximately 131°F; verify against site ambient
IP Protection IP20 (EN/IEC 60529) Basic splash protection; not suitable for open-air wet environments
Certifications UL, CSA, CE, Lloyd's, RoHS, IEC 61984 Suitable for multi-region OEM deployment without re-qualification

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

RXZE2S114M vs. Other Relay Socket Configurations

The RXZE2S114M occupies a specific position in the Schneider Harmony RXZ socket family. Understanding where it sits relative to alternative configurations prevents mis-specification at the design stage.

Configuration Current Rating Terminal Type Compatible Relay Best For
RXZE2S114M (this part) 10A continuous Screw clamp, solid wire 0.5–2.5mm² RXM2, RXM4 (4 CO) Standard DIN rail panels, OEM builds, ≤10A control circuits
Hard-wired relay terminal block 16A–20A typical Fixed screw or spring terminal Any DIN relay with matched footprint Higher-current loads, non-Schneider relay families
Socket with push-wire terminals Varies by model Push-wire (tool-free) Relay-family dependent High-volume panel assembly where wiring speed is a priority
Socket with plug-in connectors Varies by model Pre-wired plug-in harness Relay-family dependent Prefabricated harness designs; reduces on-panel wiring time
Solid-state relay module (DIN) Up to 25A+ Screw or spring (varies) N/A — no plug-in relay module High-frequency switching, zero mechanical wear requirements

If your sustained contact load approaches or exceeds 10A, the hard-wired terminal block configuration is the correct path — check the RXZE2S114M product page at LeadTime.ca for compatibility confirmation or to discuss alternative configurations with the team.

Expert Verdict: Is the RXZE2S114M the Right Socket for Your Project?

The RXZE2S114M earns its place in standardized industrial control panels precisely because it solves a real operational problem without overcomplicating the solution. For a controls engineer or integrator building or retrofitting panels around Schneider RXM relay logic, the combination of a 27mm DIN rail footprint, 2500V dielectric isolation, and plug-in relay architecture delivers measurable panel space savings and maintenance time reductions compared to hard-wired terminal strip equivalents. The 18-month contractual warranty and IEC 61984 compliance make it appropriate for OEM equipment destined for international deployment. The buyer profile it fits tightly: Schneider RXM relay infrastructure already in play or planned, sustained loads ≤10A continuous, control voltage ≤250VAC, 35mm DIN rail in the panel, and solid copper field wiring in the 0.5–2.5mm² range.

Where it does not fit, the limits are firm and non-negotiable. Applications running sustained loads above 10A should not rely on thermal derating — the socket's screw terminals will degrade under sustained overload and a hard-wired 16A or 20A terminal block is the correct specification. Systems using RXM3, REXL, or any non-Schneider relay family cannot use this socket; the 14-pin connector is proprietary and forcing a mismatched relay risks permanent damage to both components. Installations in ambient environments above +55°C or in unenclosed wet locations should not use the RXZE2S114M without addressing the temperature and IP20 protection constraints first. Budget comparisons with simple single-relay hard-wired circuits may also favor the traditional approach — the socket architecture justifies its cost in multi-relay panels where maintenance frequency and field swap speed matter.

From a procurement standpoint, the RXZE2S114M is a well-stocked, routinely available industrial accessory with short lead times through specialist channels. The risk in ordering this part is not availability — it is specification error at the point of ordering, specifically relay series mismatch. A specialist distributor validates the relay part number against the socket compatibility matrix before the order ships, which is the single most effective protection against receiving hardware that cannot be installed. For project-critical or volume orders where lead time and part accuracy both matter, review current pricing and stock status for the RXZE2S114M at LeadTime.ca — the team ships worldwide and can confirm compatibility before the order is placed.

For volume pricing, project quantities, or lead time confirmation before committing to a build schedule, contact the LeadTime.ca team directly — we ship worldwide.

What Engineers Need to Know Before Ordering the RXZE2S114M

Community discussion for this specific model is sparse — relay sockets as a product category generate minimal forum traffic compared to PLCs or drives, and most technical questions about the RXZE2S114M are handled directly through manufacturer documentation or distributor pre-sales support rather than public threads. That absence of community noise is actually informative: it reflects a product with well-defined specifications and a narrow, unambiguous application envelope. When the specs fit your application, there is little ambiguity to debate. The complexity arises in the edge cases — relay series verification, wire gauge confirmation, current load calculation — and those are exactly the questions a specialist distributor resolves before the order ships rather than after.

The most consequential pre-order error engineers encounter with DIN rail relay sockets is relay series mismatch. The RXM family designation covers multiple relay variants with different pin configurations, and assuming that any RXM relay fits any RXM socket is the error that generates return shipments and project delays. The RXZE2S114M accepts RXM2 and RXM4 four-changeover-contact relays via its 14-pin connector. RXM3 relays have a different pinout and will not seat. This is not a tolerance issue — it is a physical incompatibility. Confirming the relay nameplate before ordering the socket takes thirty seconds and eliminates the most common mis-order scenario for this part.

The second operational question that comes up in pre-sales conversations involves wire type. The screw clamp terminals on the RXZE2S114M accept solid conductor only, in the 0.5–2.5mm² range. Stranded wire frays under screw compression and produces intermittent contact — a fault mode that is difficult to diagnose because it does not manifest consistently. If existing field wiring in the panel is stranded or the gauge falls outside the 0.5–2.5mm² window, the wiring must be addressed before the socket is installed. This is the kind of application detail that a technical distributor confirms during the order process, preventing a field installation failure that costs far more in labor than the socket itself. When community data is limited and manufacturer documentation covers the specification boundaries precisely, working directly with a distributor who knows the product family is the most efficient path to a correct first order.

Installation and Wiring Overview

The following covers the key requirements and verification steps for installing the RXZE2S114M. For complete step-by-step procedures, refer to the official Schneider Electric installation documentation supplied with the product or available from schneider-electric.com.

  • Confirm DIN rail is 35mm symmetrical before mounting — press the socket carriage stirrup onto the top rail edge and press downward until the socket clicks into locked position; do not force if binding occurs
  • Strip approximately 5–6mm of insulation from each solid copper conductor before terminating; inspect exposed copper for oxidation and re-strip if discoloration is present
  • Insert conductors into screw clamp terminals and tighten to a maximum of 1 N.m using an M3-compatible screwdriver; perform a pull test on each conductor after tightening to confirm secure seating
  • With field wiring complete and power OFF, insert the RXM relay module straight down into the 14-pin connector using a firm, even motion until a tactile or audible click confirms full seating — do not force the module if resistance is felt; verify pin alignment and retry
  • Apply control power and verify relay energization by audible contact switching; test both normally open and normally closed contact circuits before declaring the installation complete

Wrong-Part Prevention: Six Checks Before You Order

Before placing an order for the RXZE2S114M, run through the following checklist verbatim. Each item corresponds to a documented failure mode in the field:

  1. Confirm relay model in hand is RXM2 or RXM4 series (check relay nameplate; RXM3, REXL, or other series will not seat correctly)
  2. Verify DIN rail in panel is 35mm symmetrical (T-slot or C-slot standard); RXZE2S114M will not fit non-standard rail widths
  3. Test field wire gauge before installation - solid conductor must be 0.5-2.5mm² (AWG 20-14); stranded wire or cable lugs will loosen under screw terminal compression
  4. Confirm application voltage does not exceed 250VAC nominal (check control transformer secondary or power supply output rating)
  5. Calculate sustained relay coil current draw and control contact load; ensure neither exceeds 10A continuous for this socket
  6. Verify stored ambient temperature capability (-40°C to +55°C); if process environment exceeds +55°C, socket may drift out of specification

If any item on this checklist is unresolved before ordering, contact the LeadTime.ca team with your relay part number and application details — we verify compatibility before the order ships, not after.

Frequently Asked Questions

Can I use an RXM3 or REXL relay in the RXZE2S114M socket?

No. The RXZE2S114M is designed exclusively for RXM2 and RXM4 series relays with four changeover contacts and a 14-pin connector. RXM3 and REXL relays have different pin configurations and will not seat in this socket. Attempting to force an incompatible relay can permanently damage both the relay pins and the socket connector — both become scrap. Check your relay nameplate before ordering.

What is the maximum wire size, and can I use stranded wire?

The screw clamp terminals accept solid copper conductor between 0.5mm² and 2.5mm² (AWG 20 to AWG 14). Stranded wire is not recommended — the individual strands fray under screw compression and produce intermittent contact that is difficult to diagnose. If your existing field wiring is stranded, re-terminate with solid conductor of compatible gauge before installing this socket. Cable lugs are also not compatible with these screw terminals.

What happens if the load current exceeds 10A on this socket?

Sustained current above the 10A continuous thermal rating causes progressive heating at the screw terminal contacts. Contact resistance increases as temperature rises, accelerating thermal degradation in a feedback loop. The eventual result is intermittent contact failure or complete malfunction of the relay circuit. If your calculated sustained load approaches 10A, plan for derating margin or specify a hard-wired relay terminal block rated for 16A or higher.

Is the RXZE2S114M rated for outdoor or wet-location installation?

No. The IP20 protection rating per EN/IEC 60529 provides basic protection against solid objects larger than 12.5mm but only minimal splash protection. This socket is not suitable for open-air outdoor mounting or installations in uncontrolled wet environments. For such locations, mount the socket inside a sealed enclosure with an appropriate IP rating for the ambient conditions.

How do I confirm which relay series is installed in an existing panel?

Locate the nameplate label on the top surface of the relay module currently installed in the panel. Schneider Electric RXM relays display the full series designation clearly — for example, RXM2GL4 or RXM4AB2. If the label reads RXM3, REXL, or any designation that does not begin with RXM2 or RXM4, the RXZE2S114M is not the correct socket. Contact LeadTime.ca or Schneider Electric technical support with the full relay part number for socket selection guidance.

What is the warranty coverage for the RXZE2S114M?

Schneider Electric provides an 18-month contractual warranty from the date of shipment covering manufacturing defects. The warranty does not cover damage resulting from misapplication, wiring errors, overvoltage conditions, or installation of incompatible relay modules. For warranty claims, contact Schneider Electric directly or work through your distributor with proof of purchase and part verification documentation.

Why Order From LeadTime.ca

  • Ships worldwide — orders placed by controls engineers and procurement teams across North America and internationally
  • Pre-sales compatibility verification — provide your relay part number and we confirm socket fit before the order is processed, not after
  • Real-time stock and lead time visibility — contact the team for current inventory status and confirmed ship dates for project planning
  • Volume and project pricing available — contact for quantity breaks and blanket order arrangements
  • Post-sales technical support — wiring guidance and application questions handled by staff familiar with Harmony RXZ relay socket installations

At-a-Glance Summary

  • Compatible relays: Schneider Electric RXM2 and RXM4 series only — 14-pin, four changeover contact configuration
  • Rated voltage: 250VAC maximum
  • Continuous thermal current: 10A (5A with bus jumper configuration)
  • Dielectric strength: 2500V between contacts — IEC 61984 compliant
  • DIN rail: 35mm symmetrical only — T-slot or C-slot standard profile
  • Panel footprint: 27mm width on DIN rail
  • Operating temperature: -40°C to +55°C
  • IP protection: IP20 per EN/IEC 60529 — not for open wet environments
  • Field wiring: solid copper 0.5–2.5mm² (AWG 20–14), screw clamp, ≤1 N.m tightening torque
  • Certifications: UL, CSA, CE, Lloyd's, RoHS, IEC 61984
  • Warranty: 18 months from shipment, manufacturing defects
  • Weight: approximately 0.07kg

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