Safety Sensor Evaluation Unit RLY3-EMSS100 | SIL 3 & Category 4 | 10 Million Switching Cycles | IP20 Enclosure | by RELY
The Safety Sensor Evaluation Unit RLY3-EMSS100 is designed for high-integrity monitoring of safety sensors with potential-free outputs. With a SIL 3 safety integrity level and a robust performance level PL e, it ensures reliable operation in industrial environments. Ideal for applications requiring stringent safety standards, this unit features low power consumption and a long mechanical life of 10 million switching cycles.
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Alternatively Known As: Safety Sensor Evaluation Unit, Safety Relay Module, Safety Sensor Controller
Technical Specifications
- Safety integrity level: SIL 3 (IEC 61508)
- Category: Category 4 (ISO 13849-1)
- Performance level: PL e (ISO 13849-1)
- Mean probability of dangerous failure per hour (PFHD): 1.0 x 10^-9
- Mission time: 20 years (ISO 13849-1)
- Stop category: 0 (IEC 60204-1)
- Inputs: 2 safety inputs, 1 input for reset pushbutton or external device monitoring (EDM)
- Outputs: 2 enabling current paths (safe), 2 application diagnostic outputs (not safe), 3 test pulse outputs (not safe)
- Voltage supply: PELV or SELV, 24 V DC (16.8 V to 30 V)
- Power consumption: ≤ 2.5 W (DC)
- Response time (opening of enabling current paths): 10 ms
- Contact material: Silver alloy, gold flashed
- Switching voltage: 10 V AC to 230 V AC / 10 V DC to 230 V DC
- Switching current: 10 mA to 6 A
- Total current: 12 A
- Mechanical life: 10 million switching cycles
- Enclosure rating: IP20 (IEC 60529)
- Operating temperature: -25 °C to +55 °C
- Storage temperature: -25 °C to +70 °C
- Air humidity: ≤ 95%, non-condensing
- Dimensions (H x L x W): 124.6mm x 85.5mm x 18mm
- Weight: 0.13 kg
Key Features
- Compatible with safety sensors with potential-free outputs
- Safety integrity level SIL 3 (IEC 61508)
- Category 4 (ISO 13849-1) safety category
- Performance level PL e (ISO 13849-1)
- Discrepancy monitoring and cross-circuit detection
- Restart interlock and automatic/manual reset
- External device monitoring (EDM) supported
- Front connector with spring terminals
- LED display elements for status indication
- Hard wired configuration method
- 24 V DC supply voltage with low power consumption (≤ 2.5 W)
- Short-circuit protected PNP semiconductor outputs
- High mechanical life of 10 million switching cycles
- IP20 enclosure rating suitable for industrial environments
- Wide ambient operating temperature range from -25 °C to +55 °C
Professional Installation Requirements
- Installation should be performed by a qualified professional familiar with safety sensor systems and electrical safety standards to ensure compliance and optimal performance.
Applications
- Evaluation unit for safety sensors with potential-free outputs
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Low power consumption reduces energy usage
- Long mechanical life minimizes waste and replacement frequency
Warranty Information
Warranty details available upon request from manufacturer or authorized distributor.
Available Now
The SICK RLY3-EMSS100 Safety Sensor Evaluation Unit is available for immediate purchase, ideal for industrial safety applications requiring high integrity sensor monitoring.
