Limit switch box series SB SF SS SY SW SX HW

Rotork Instruments Italy s.r.l.

Valve Position Indication

ASi-3 ASi-5


The Soldo range of limit switch boxes, proximity sensors, and accessories offers a variety of options. Rotork specialize in the design and manufacture of control accessories for valve automation, providing high quality products and services that guarantee a link between the control room and automated process valves.

Product development programs ensure we are always ready for new markets and applications and able to meet or exceed customer requirements. Soldo products are valued by customers for their advanced design and capabilities including:


Soldo products are cost effective, as well as corrosion resistant and explosionproof; they are perfect when harsh environments are encountered.

We provide the protection and automation that a Wide variety of applications demand.

Unique Design Features Soldo units are a step above the competition with unique split shaft designs. This allows installation where space is a factor and where a Iow profile limit switch box is not

preferred. Soldo limit switches also have easy-set 3 degree cams for independent tool free adjustment.

Simple Installation Pre-wired PCB switch modules ensure installation is worry free and allows easy installation and wiring directly into terminal strips. The pre-wired boards are conformal coated

for environmental protection. We also offer a full line of mounting brackets for all models that do not come with an integral mounting kit.

Products are available with hazardous area certification:


Italy (manufacturing plant)

tel: +39 035 451161



tel:  +1 (336) 659 3400



Superior productivity is one of the key factors to successful business in the process automation

sector. The secret to modern manufacturing is flexibility.

AS-lnterface (AS-i) is the simplest of the industrial networking protocols used in PLC, DCS and PC-based automation

systems. It is designed for connecting binary (ON/OFF) devices such as actuators and sensors in discrete manufacturing and

process applications using a single cable.


Highly efficient alternative to hard wiring of field devices Excellent partner to Profibus, DeviceNet, Interbus and

Industrial Ethernet network systems Proven in hundreds of thousands of applications

Cut-down AS-i SW version available for ultra-simple devices .Provides the ideal basis for Functional Safety in machinery

safety/emergency stop applications 

Product link
Open link