
Over 25 years of experience
We develop customized linear actuators – reliable, powerful, and precisely tailored to your application. Our systems are used wherever reliability matters: from the precise opening of small windows in the highest alpine huts in the world to the powerful lifting of multi-ton sluice gates on wind-swept coasts. Our experience is your solution – robust, customized, and ready for any challenge.
Product Series Overview – S+R Electric Linear Actuators

Construction Type
AP
- Ball screw or trapezoidal screw
- Motor directly connected to the lead screw via coupling
- Mounting via rod end and trunnion bracket, or according to customer requirements (e.g. flange, clevis, etc.)
- Magnetic switches and rotary encoders available
- Explosion-proof version available according to ATEX
- Safety nut system for trapezoidal screw available

Construction Type
SP
- Ball screw or trapezoidal screw
- Motor connected to the lead screw via a worm gear
- Mounting depending on type: via rod end and trunnion bracket or rod end and clevis on gearbox flange
- Magnetic switches and rotary encoders available
- Explosion-proof version available according to ATEX
- Safety nut system for trapezoidal screw available

Bauform
XP
- Ball screw or trapezoidal screw
- Motor connected to the lead screw via belt or chain drive
- Mounting depending on type: via rod end and trunnion bracket or rod end and clevis on deflection gearbox cover
- Magnetic switches and rotary encoders available
- Explosion-proof version available according to ATEX
- Safety nut system for trapezoidal screw available

Your Linear Actuator in Just a Few Steps
Our experience is your solution – robust, customized, and ready for any challenge.