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Sendix M3661 - Kuebler Absolute Encoder
The Sendix M3661 from Kuebler is a compact absolute encoder with high-precision analog output, designed for integration into space-constrained automation systems.

| Brand | Kuebler |
| Product Type | Rotary Encoders |
| Model Number | Sendix M3661 |
Kuebler Absolute Encoder Sendix M3661 Technical Specifications
| Specification | Value |
|---|---|
| Dimension | Ø 36 mm |
| Shaft type | 6 mm shaft, with flat surface8 mm shaft, with flat surface10 mm shaft, with flat surface1/4 " shaft, with flat surface |
| Flange type | Synchro flange / Servo flangeClamping flangeØ 36.00 mm |
| Working temperature | -40 °C ... +85 °C |
| Protection level | IP65IP67 |
| Connection types | Axial cableRadial cableM12 connector axialM12 connector radial |
| Max. rotational speed | 6.000 min-1 |
| Weight | 210 g |
| Scanning | magnetic |
| Resolution max. | 16 bits multiturn |
| Power supply | 10...30 V DC15...30 V DC |
| Interfaces | Analog 0...5 VAnalog 0...10 VAnalog 4–20 mA |
The Kuebler Sendix M3661 is a highly durable magnetic rotary encoder that provides accurate multiturn absolute position feedback with up to 16-bit resolution. Designed specifically for analog applications, it supports output signals of 0–5 V, 0–10 V, and 4–20 mA, making it suitable for integration into analog control systems, PLCs, and monitoring devices.
Its shaft configuration supports multiple sizes including 6 mm, 8 mm, 10 mm, and 1/4” shafts with flat surfaces. With a compact Ø 36 mm housing and synchro, clamping, or servo flange mounting, the encoder easily fits into tight mechanical spaces while offering secure installation. The Sendix M3661 is engineered to handle rotational speeds up to 6000 min⁻¹ and operates within a wide temperature range of -40°C to +85°C.
Protection-rated up to IP67, the encoder is sealed against dust and water ingress for reliable use in rugged environments. Electrical connection options include axial and radial cable exits as well as M12 axial and radial connectors for flexible installation. It supports a 10–30 V DC and 15–30 V DC power supply, allowing stable operation across industrial voltage ranges. Weighing only 210 g, the Sendix M3661 delivers compact efficiency without compromising on signal quality or durability.
The Sendix M3661 Encoder by Kuebler is ideal for applications that require reliable absolute position feedback via analog signals. It is widely used in valve position monitoring, mobile equipment, material handling, and rotary actuator control, where analog output is preferred for simplicity or legacy system compatibility.
Its magnetic scanning system ensures non-contact measurement with high resistance to shock, vibration, and contamination, making it suitable for harsh industrial or outdoor environments. With support for both voltage and current-based analog outputs, it provides signal versatility for integration into a broad range of analog monitoring and control systems.
Whether you're designing an analog control loop or modernizing older equipment with analog I/O, the Kuebler Sendix M3661 delivers compact, rugged, and reliable absolute encoder feedback with precise analog signal transmission tailored for real-world industrial demands.




