Kuebler: For heavy duty applications – extremely robust hollow shaft encoders. The incremental encoder Sendix H120 is ideal for large motors and generators. It is highly accurate and extremely robust thanks to HD-Safety-Lock™ – the Heavy Duty hollow shaft design of the latest generation with strong bearing construction and integrated bearing insulation. The double-protected shaft, the wide temperature range and the high protection enable use even under the most adverse conditions. The particularly large hollow shaft up to 28 mm, the variety of mounting solutions and connection variants offer maximum flexibility during installation.