Description
KONGSBERG RSER200-4 is a SIL-2 certified safety relay module designed for industrial and marine automation systems, delivering reliable safety control and signal switching in critical applications. As a core component of Kongsberg’s control solutions, the RSER200-4 ensures fail-safe operation and fault diagnostics for safety-critical circuits, widely used in marine, offshore, and industrial sectors.
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Core Product Information
- Brand: KONGSBERG
- Model: RSER200-4 (603444)
- Availability: In Stock
- Delivery Time: Within 3 days after payment
- Guarantee: 12 months warranty
- Condition: New
- Input/Output: 4 groups of changeover contacts (NO/NC); 24V DC nominal input (18–32V DC)
- Working Temperature: -25°C to +70°C (operating); -40°C to +85°C (storage)
- Size/Weight: Compact DIN-rail mount; approx. 0.8 kg
- Communication: RS485 (MODBUS RTU), CAN Bus; dual redundant communication channels
- Certifications: SIL-2 (IEC 61508), DNV GL, ABS, CE, RoHS

Key Features
- SIL-2 Safety Certification – Complies with IEC 61508, ensuring fail-safe performance for critical safety loops.
- Redundant & Diagnostic Design – Dual-circuit redundancy with LED status indicators and self-test capability for enhanced reliability.
- Robust Environmental Protection – IP40 (front) / IP20 (terminals) rating, withstanding -25°C to +70°C for harsh industrial/marine conditions.
Industry Applications
- Marine Automation – Engine safety shutdown, dynamic positioning (DP) systems, and propulsion control loops.
- Offshore Oil & Gas – Fire and gas (F&G) monitoring, platform safety interlocks, and emergency shutdown (ESD) systems.
- Industrial Automation – Safety-critical machine control, conveyor safety, and process interlock applications.
- Power Generation – Turbine safety protection, generator control, and grid stability monitoring systems.







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