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SD834

Key Features & Benefits
Enhanced Safety Performance

SIL3 (IEC 62061) / PL e (ISO 13849-1) certified

Triple-channel monitoring with advanced diagnostics

100% mechanically linked contacts (EN 50205)

Intelligent Safety Technology

Auto-monitoring of contact welding

Built-in diagnostics for wiring faults

Configurable reset modes (manual/automatic)

Industrial-Grade Robustness

Extended temperature range (-40°C to +60°C)

10 million electrical operations rating

IP20 protection (front panel)

User-Centric Design

Dual-color LED status indicators (red/green)

Spring-clamp terminals for secure wiring

45mm compact DIN-rail design

Technical Specifications
Parameter Specification
Safety Standards SIL3, PL e, Cat.4
Supply Voltage 24V DC/AC (±15%)
Contact Capacity 6A @ 250V AC (resistive)
Response Time <15ms (fault detection)
Max. Switching Power 1500VA
Certifications TÜV, UL, CE, CCC
Typical Applications
✔ Robotic cell safety systems
✔ Press brake safety circuits
✔ Automated production line E-stops
✔ AGV (Automated Guided Vehicle) safety
✔ Semiconductor equipment guarding

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The ABB SD834 is a high-performance safety relay module designed for mission-critical machine protection systems. As an evolution of the SD833 series, this enhanced safety component delivers superior reliability for industrial safety applications, meeting the most stringent international safety standards.