| Specification |
Description |
| Part Number |
RLY3-OSSD100 |
| Manufacturer |
Sick |
| Part Family |
ReLy |
| Category |
Safety Relays |
| Applications |
Output expansion module for OSSDs |
| Compatible Sensors |
Safety sensors with OSSDs |
| Safety Integrity Level (SIL) |
SIL3 (IEC 61508) |
| Performance Level |
PL e (ISO 13849-1) |
| Category |
Category 4 (ISO 13849-1) |
| PFHD |
1.0 x 10^-9 (average probability of a dangerous failure per hour) |
| TM (Mission Time) |
20 years (ISO 13849-1) |
| Stop Category |
0 (IEC 60204-1) |
| External Device Monitoring (EDM) |
Via path |
| Outputs |
2 enabling current paths (safe), 1 feedback current path (for EDM, not safe) |
| Housing Width |
18 mm |
| Connection Type |
Front connector with spring terminals |
| Power Consumption |
≤ 1.5 W (DC) |
| Operating Temperature |
-25 °C to +55 °C |
| Storage Temperature |
-25 °C to +70 °C |
| Enclosure Rating |
IP20 (EN 60529) |
| Dimensions (W x H x D) |
18 mm x 87.7 mm x 120.7 mm |
| Weight |
119 g (± 5 %) |
| eCl@ss |
27371819 |
| ETIM |
EC001449 |
| UNSPSC |
41113704 |
The Sick RLY3-OSSD100 is a high-performance safety relay designed for use in industrial automation systems. It serves as an output expansion module for OSSDs (Output Signal Switching Devices), making it ideal for applications requiring enhanced safety measures. This relay is compatible with safety sensors that have OSSDs and offers two enabling current paths and one feedback current path for external device monitoring. With a Safety Integrity Level (SIL) of 3 and a Performance Level (PL) of e, it meets stringent safety standards. The compact design, featuring a housing width of just 18 mm, allows for easy integration into various control systems. The RLY3-OSSD100 operates efficiently within a wide temperature range and is built to last with a mission time of 20 years.
The Sick RLY3-OSSD100 is a high-performance safety relay designed to enhance the reliability and safety of industrial automation systems. This compact and robust device is engineered to provide dependable monitoring and control of safety circuits, ensuring the protection of both personnel and machinery.
With a versatile input voltage range of 15 V to 30 V DC and a low input current of ≤ 50 mA, the RLY3-OSSD100 is suitable for a wide array of applications. It features two normally open (NO) safety outputs and one normally closed (NC) feedback output, all with forced-guided contacts, ensuring fail-safe operation. The relay's contacts are made from a silver alloy with gold plating, providing excellent conductivity and durability.
The RLY3-OSSD100 boasts a fast response time of 12 ms, making it ideal for applications requiring quick and reliable safety responses. It supports a wide switching voltage range from 10 V AC/DC to 230 V AC/DC and can handle switching currents from 10 mA to 6 A, with a total current capacity of 12 A. The device is built to withstand harsh industrial environments, with an operating temperature range of -25 °C to +55 °C and a storage temperature range of -25 °C to +70 °C. It also meets IP20 protection standards, ensuring resistance to dust and other contaminants.
This safety relay is compliant with international safety standards, including SIL3 (IEC 61508) and PL e (ISO 13849-1), making it a reliable choice for critical safety applications. Its compact dimensions (18 mm x 124.6 mm x 85.5 mm) and lightweight design (130 g) allow for easy integration into existing control panels and systems.
The Sick RLY3-OSSD100 is an essential component for enhancing the safety and efficiency of your industrial automation processes, providing peace of mind and ensuring compliance with stringent safety regulations.
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8 min read
January 7, 2025
