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The SICK miniTwin is the world’s smallest safety light curtain, introducing a revolutionary innovation in compact design through Minivation technology. For the first time, sender and receiver elements are integrated into an extremely compact housing, significantly reducing footprint while maintaining high performance. This miniaturization optimizes space utilization, simplifies installation, and enables cost reduction through standardization. The miniTwin is engineered to meet modern industrial demands where space constraints and ease of integration are critical. With its compact form factor and proven safety standards, it offers a practical solution for applications requiring precise detection in tight or complex machine environments without sacrificing reliability or performance.
The miniTwin leverages Minivation technology to integrate sender and receiver elements into a single, ultra-compact housing—marking a breakthrough in safety light curtain design. This integration eliminates the need for separate components, reducing assembly time and complexity. The system features standardized cables and plugs, enabling plug-and-play installation across various machine designs and configurations. With consistent performance and simplified wiring, it supports both rapid deployment and long-term maintenance efficiency. The compact housing dimensions (15 mm × 24 mm) allow seamless integration into existing machinery without requiring major modifications. This innovation aligns with current industry trends toward modular, space-efficient, and standardized safety solutions.
The miniTwin safety light curtain offers resolution options of 14 mm, 24 mm, and 34 mm, providing flexibility for different detection needs. It operates in a standard operating mode with a housing cross-section of 15 mm × 24 mm and overall dimensions including the plug at 15 mm × 32 mm. The enclosure is rated IP65 (IEC 60529), ensuring protection against dust and water jets. Protection class is Class III according to DIN EN 61140, meeting stringent safety requirements for hazardous environments. Electrical connection type is Type 4 (IEC 61496), with switching outputs rated at 300 mA, PNP semiconductor, and short-circuited protected. The maximum cable length is 20 m, using a standard cross-section of 0.34 mm².
The miniTwin offers standardized cables and plugs for simplified installation across diverse machine designs. Its modular design allows for flexible mounting via type-specific brackets or direct stick mounting, enabling adaptation to various industrial setups. The standardized cable cross-section (0.34 mm²) and plug dimensions ensure compatibility with existing systems while reducing integration time. With a consistent housing size ranging from 120 mm to 1200 mm in 60 mm increments, the product adapts to different installation requirements without compromising performance. This standardization supports cost-effective deployment and reduces training needs for technicians during setup and maintenance.
The miniTwin is designed for operation in industrial environments with protection against dust and water jets (IP65). It meets Class III protection requirements as defined by DIN EN 61140, ensuring safe performance in hazardous areas. The device operates reliably under standard ambient conditions, with no specific temperature or humidity ranges provided in the documentation. Its compact housing and robust construction make it suitable for use in environments where space is limited but safety standards must be strictly maintained. The standardized electrical connections and mechanical mounting options ensure consistent performance across a range of operational settings.
The miniTwin safety light curtain is ideal for applications requiring compact, reliable detection in tight or complex machinery layouts. It is particularly suited for use in automated production lines, robotic systems, and packaging equipment where space constraints limit traditional safety solutions. Its small footprint and standardized integration make it a practical choice for entry-level and mid-scale automation projects. The resolution options (14 mm, 24 mm, 34 mm) allow precise alignment with specific process requirements. With its proven safety classification and compact design, the miniTwin supports safe operation in environments where traditional light curtains would be impractical due to size or installation complexity.
| Specification | Value |
|---|---|
| resolution | at housing ends |
| dimensions | incl. plug 15 mm Ă— 32 mm |
| response time | and |
| Dimensions | of miniTwin stick and brackets (in mm) |
| Protection class | (DIN EN 61 140)2) III |
| Resolution | 14 mm, 24 mm, 34 mm |
| value | 700 mm connection cable |
| protection | class (DIN EN 61 140)2) III |
| housing | cross-section 15 mm Ă— 24 mm |
| switching | outputs (OSSD) 300 mA, PNP semiconductor, short-circuited protected4) |
| cable | length5) Maximum 20 m |
| operating mode | s |
| connection | plug for cascade with 2 |
| System connection | M12 x 5 |
| Protection field height 120-180 mm | 160 mm connection cable |
| key | Protection field height 600-1200 mm |
| Protection field height 240-540 mm | 350 mm connection cable |
| Protection field height 600-1200 mm | 700 mm connection cable |
| s of | 14 mm, 24 mm and 34 mm |
| length5) Maximum | 20 m |
| cross-section | 15 mm Ă— 24 mm |
| incl. plug | 15 mm Ă— 32 mm |
| Protection field height | 600-1200 mm |
| The shortest miniTwin measures just | 120 mm and |
| is available in increments of | 60 mm, up to a height of |
| Resolutions of | 14 mm, 24 mm and 34 mm |
| Available lengths in | 60 mm increments |
| PFHd (average probability of dangerous failure per hour) Stand-alone systems | 4.3 x 10 -9 1/h |
| Cascaded systems | 1.3 x 10 -9 1/h |
| Protective field width Minimum | 0 to 4 m, typical 0 to 5 m |
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