Schneider TSX3721001 Modular Base Controller – Momentum Series
Schneider TSX3721001 Modular Base Controller: Procurement Strategy & Asset Value in a Constrained Supply Chain The Schneider Electric TSX3721001 is…
Model: XPSAF5130
Product Overview
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Datasheet Preview
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Commercial Path
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Technical Dossier
The Schneider Electric XPS series is a dedicated family of safety relay modules engineered to meet IEC 62061 and EN ISO 13849-1 functional safety standards. Deployed across global heavy industry — including petrochemical complexes, nuclear power facilities, offshore platforms, and continuous-process refineries — XPS modules serve as the last line of defense in machine safety architectures. Their role is to monitor safety-critical inputs (E-stop circuits, light curtains, two-hand controls, safety mats, and door interlocks) and execute controlled power removal to actuators upon fault detection. The series covers Safety Integrity Levels SIL 1 through SIL 3 and Performance Levels PLc through PLe, making it applicable across a broad spectrum of risk categories defined by EN ISO 13849. Installed base figures across European and Asian process industries confirm XPS modules as one of the most widely specified safety relay families in the Schneider Electric portfolio, with active deployments dating back to the mid-1990s.
The XPS series originated as a discrete, single-function safety relay platform designed for straightforward E-stop and guard monitoring applications. Early variants — such as the XPSAL and XPSAC sub-families — operated on fixed-function logic with hardwired relay outputs and manual or automatic reset modes. These units were DIN-rail mounted, 24 VDC or 115/230 VAC powered, and offered two safety (NO) output contacts plus one auxiliary (NC) monitoring contact.
As machine safety standards evolved through the 2000s, Schneider Electric expanded the XPS architecture to address multi-channel monitoring, muting functions, and speed/standstill detection. The XPSAF and XPSAR sub-families introduced configurable monitoring for two-hand controls and safety mats. The XPSMC and XPSMF lines added modular expansion capability, allowing a single base unit to supervise multiple safety zones via plug-in expansion modules — a significant architectural shift from the original fixed-function design.
The current generation integrates with Schneider Electric's Preventa safety ecosystem and is compatible with Modicon M580 and M340 safety PLCs for hybrid architectures. Legacy XPS modules remain in production or are supported through extended lifecycle programs, as replacement of installed safety relay infrastructure in operating plants requires full re-validation under the applicable safety standard — a process that creates strong demand for exact-replacement spare parts rather than functional equivalents.
The following SKUs represent verified, commonly specified models within the Schneider Electric XPS Safety Relay series, organized by functional category:
Emergency Stop & Guard Door Monitoring
XPSAF5130: Safety relay, 2-channel E-stop/guard, 24 VDC, 3 NO + 1 NC output contacts, auto/manual reset, SIL 3 / PLe.
XPSAC3421: Safety relay, single-channel E-stop, 24 VDC, 2 NO + 1 NC, manual reset, SIL 2 / PLd.
XPSAK3410: Safety relay, E-stop monitoring, 24–240 VAC/DC, 3 NO + 1 NC, auto/manual reset, SIL 3.
XPSAL3410: Safety relay, E-stop/guard, 24 VDC, 3 NO + 1 NC, manual reset, SIL 3 / PLe.
XPSAR3410: Safety relay, E-stop/guard, 24 VDC, 3 NO + 1 NC, auto reset, SIL 3 / PLe.
Two-Hand Control Monitoring
XPSBA3110: Safety relay, two-hand control type IIIC, 24 VDC, 2 NO + 1 NC, SIL 3 / PLe.
XPSBC3110: Safety relay, two-hand control type IIIC, 24 VDC, 3 NO + 1 NC, SIL 3 / PLe.
XPSBF3110: Safety relay, two-hand control, 24 VDC, 2 NO + 1 NC, manual reset, SIL 3.
Safety Mat & Pressure-Sensitive Edge Monitoring
XPSAT3410: Safety relay, safety mat/bumper, 24 VDC, 3 NO + 1 NC, auto/manual reset, SIL 3.
XPSAV3410: Safety relay, safety mat, 24 VDC, 3 NO + 1 NC, SIL 3 / PLe.
Light Curtain & Optical Safety Device Monitoring
XPSAB3410: Safety relay, AOPD/light curtain interface, 24 VDC, 3 NO + 1 NC, SIL 3 / PLe.
XPSABV3410: Safety relay, light curtain, 24 VDC, 3 NO + 1 NC, auto reset, SIL 3.
Speed & Standstill Monitoring
XPSVNE3132: Safety relay, standstill/speed monitor, 24 VDC, 2 NO + 1 NC, SIL 2 / PLd.
XPSVNE11AP: Safety relay, speed/standstill, 24 VDC, configurable thresholds, SIL 3.
Modular & Configurable Safety Controllers
XPSMCME5032: Modular safety controller, 5 safety inputs, 3 OSSD outputs, 24 VDC, SIL 3 / PLe.
XPSMF3542: Configurable safety relay, 3 safety inputs, 5 outputs, 24 VDC, SIL 3 / PLe.
XPSMCME3032: Modular safety controller, 3 safety inputs, 3 OSSD outputs, 24 VDC, SIL 3.
A significant portion of the installed XPS base consists of models that Schneider Electric has transitioned to end-of-life or limited-availability status. In operating process plants, replacing a safety relay requires not only sourcing the correct part number but also ensuring the replacement unit carries the same firmware revision and hardware variant to avoid triggering a full safety re-validation cycle under IEC 62061 or EN ISO 13849-1. DriveKNMS maintains a dedicated inventory of verified XPS modules — including discontinued variants — sourced through authorized distribution channels and certified secondary market suppliers.
For obsolete XPS models, DriveKNMS provides: exact-match part number verification against Schneider Electric's historical product database; hardware revision and date-code documentation; and functional test reports generated on XPS-specific test rigs prior to shipment. This service is specifically designed for maintenance teams operating under change-management constraints that prohibit substitution with alternative part numbers, even where functional equivalence can be demonstrated.
XPS safety relay modules present specific test challenges due to their dual-channel input monitoring circuits, force-guided relay output contacts, and internal self-monitoring logic. DriveKNMS applies a structured test protocol to all XPS units processed through its facility:
Input channel integrity: Both input channels are independently stimulated and cross-monitored to verify correct discrepancy detection within the module's specified response time window. Single-channel faults are confirmed to generate the correct safe-state output response.
Force-guided contact verification: Output relay contacts are tested under rated load conditions to confirm mechanical linkage between NO and NC contacts — a mandatory requirement for safety relay certification. Contact resistance is measured and logged against Schneider Electric's published specifications.
Reset circuit validation: Both manual and automatic reset modes are exercised to confirm correct sequencing. Spurious reset acceptance (reset before safe condition is restored) is tested and confirmed absent.
Power supply range testing: Units are tested across the full rated supply voltage range (typically ±15% of nominal) to confirm stable operation at voltage extremes.
All test results are documented and supplied with each unit. Units that fail any test parameter are quarantined and not returned to inventory.
For XPS Safety Relay sourcing inquiries, obsolete part requests, or bulk procurement: