1. Product Overview & Functional Purpose​

The Euchner TP3-4141A024L024M is a ​SIL 3/PLe-certified safety relay module​ designed for monitoring emergency stops, safety gates, and machine guard circuits in industrial automation systems. This 24VDC device acts as a configurable logic solver that processes signals from safety sensors (e.g., light curtains, interlocks) to execute controlled machine shutdowns during hazardous conditions. Unlike basic relays, it incorporates ​force-guided contacts​ (per EN 60947-5-1) to prevent unsafe cross-circuit failures. The compact, DIN-rail-mountable unit (45mm width) features LED diagnostics for real-time fault tracing and operates without software programming – jumpers enable custom configurations for start/reset logic, bypass modes, or time delays. Its zinc-plated steel housing (IP20 protection) withstands vibration in control panels while ensuring compliance with global machinery safety directives.

​2. Critical Technical Parameters​

Key specifications defining operational integrity:

• ​Safety Ratings:​​ SIL 3 (IEC 62061), PL e (ISO 13849-1 Cat. 4), PLe (EN ISO 13849-1)
• ​Voltage Range:​​ 24V DC ±10% (21.6–26.4V DC) with reverse polarity protection
• ​Contact Configuration:​​
  ∙ 3 Safety Channels (K1/K2/K3): 4 N/O + 2 N/C force-guided contacts
  ∙ Auxiliary Contacts: 1 N/O (semiconductor)
• ​Switching Capacity:​​ 6 A (AC-15) / 8 A (DC-13) per contact
• ​Response Time:​​ ≤100 ms (emergency stop signal processing)
• ​Mechanical Life:​​ 10 million operations at max. 1,800 operations/hour
• ​Ambient Temperature:​​ -25°C to +55°C (UL Class 1 Div 2 compliant)
• ​Diagnostic Coverage (DC):​​ >99% (IEC 62061 Annex D)
• ​Connection:​​ Spring-cage terminals for 0.25–2.5 mm² wires

​3. Industrial Deployment Scenarios​

This relay module provides fail-safe control in critical applications:

• ​Automotive Assembly Lines:​​ Monitors E-stop buttons and perimeter fencing around robotic welding cells.
• ​Packaging Machinery:​​ Interfaces with light curtains and two-hand controls on palletizers and shrink tunnels (EN 62061 compliance).
• ​Hydraulic Presses:​​ Enables safe tool change sequences by validating guard lock status via dual-channel inputs (OSHA 1910.217 compliance).
• ​Material Handling Systems:​​ Controls conveyors or AGVs via stop-category 0 shutdown when safety mats detect personnel intrusion.
• ​Renewable Energy:​​ Safeguards access to wind turbine nacelles by integrating with rotary-coded switches.

​4. Performance Advantages & Functional Features​

Competitive differentiators include:

• ​Fault Exclusion Architecture:​​ Redundant microprocessors with cross-monitoring detect internal failures (SCM/STM technology).
• ​Zero Software Dependency:​​ Hardware-based logic via jumper settings eliminates programming errors and cybersecurity risks.
• ​Multi-reset Flexibility:​​ Configurable as automatic, monitored manual, or keyswitch reset per EN ISO 13850.
• ​Cross-circuit Detection:​​ Force-guided contact design mechanically blocks simultaneous NO/NC closure during welding.
• ​Predictive Maintenance:​​ Amber/green LEDs flag faults (e.g., contact welding, external short circuits, undervoltage) before downtime occurs.
• ​Synchronization Capability:​​ Master-slave linking for coordinated shutdowns across multi-zone safety systems via PROFIsafe/CIP Safety protocols.

​5. Integration Value & Compliance Impact​

Operational benefits for system integrators:

• ​Simplified Certification:​​ Pre-validated SIL 3 reports (TÜV Rheinland #00103676) accelerate machinery CE/UKCA marking.
• ​Seamless Interfacing:​​ Integrated semiconductor output drives PLCs or indicator lamps without external relays.
• ​Cost-efficient Safety:​​ Replaces multiple single-function relays – one TP3-4141A module handles E-stop + guard monitoring + reset logic concurrently.
• ​Lifecycle Durability:​​ Exceeds 15-year service life with MTBF >50 years (SN 29500/IEC 61709 calculations).
• ​Global Approvals:​​ UL 508 (US), CSA C22.2 No. 14 (Canada), EAC TR CU 020/2011 (Eurasia), UKCA + CE (Europe).​

Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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