Recommendations

Service Recommendations

Maintenance
Saia switches are not user-maintainable but they should be kept in a reasonably clean, paint-free condition, especially in the actuator area. Regular checks should be made on mounting security and on the actuating medium to switch actuator relationship.
Lubrication or the use of aqueous or chemical cleaning fluids is not recommended.

Installation Recommendations
The following notes are intended merely to stress the most important and general aspects of good switch installation procedure and to provide some helpful additional information.

Safety Consideration
Installation should only be carried out by competent personnel.

Switch Positioning and Operation
Pre-loading of the switch actuator must be avoided. The actuating medium must be able to operate the switch through the operating position into overtravel and then to retract far enough to allow the switch to regain its free position.
Saia recommends that the actuating medium should drive the switch into at least 50% of the available overtravel.
All ratings tables shown in this catalog are based on the use of all the available overtravel.

Mounting
Side mounting switches should be mounted on smooth, firm, flat surfaces using the recommended screw size. Avoid over tightening the screws. For added security, they should be locked using epoxy resin. Do not attempt to enlarge switch mounting holes and avoid over stressing the switch. Use insulating material between the switch and metallic plates to increase clearance on switches with open terminals.

Connections
When soldering, overheating of the switch insulation must be avoided. In certain circumstances, it may be advisable to use a heat shunt. For optimum mechanical strength, the conductor should be wrapped round the tip of the terminal taking care to avoid loose strands of wire.
The soldering iron tip should be applied to the end of the terminal while simultaneously applying solder. Remove the iron as soon as the solder has wetted the conductor and terminal end. A‑soldering iron tip temperature of 350°C (260°C/5 seconds for PCB Terminals) applied for a maximum of 2-3 seconds should be adequate.

For lead-free solder, is usually needed an iron tip temperature 15% higher.

Installation Recommendations (EN 61058-1)