Heavy duty switches for demanding applications
Sigma-Netics pressure and vacuum switches offer extensive cycle life under the harshest operating conditions. For more than 50 years, our ruggedized pressure switches focus on protecting equipment, processes and personnel. Our switches have served in demanding mining, oil-and-gas, aerospace, military and industrial applications.
We produce nine pressure switches: 744-S, 744-C, 744-V, 745, 784, 785, 703-U, 703-UJ, 768-S Diaphragm, 768-C Diaphragm and 768-V Diaphragm.
744-S Pressure Switch
This fixed-setting pressure switch is a miniature piston-operated factory set design for applications with limited installation space.
744-C Pressure Switch
Ideal for use in areas with limited installation space, this model is a miniature piston-operated, field adjustable pressure switch designed to withstand challenging operating conditions.
744-V Pressure Switch
With a small, rugged piston, this heavy-duty pressure switch is excellent for applications with limited installation space.
745 Pressure Switch
A diaphragm-operated model for low-pressure applications that require high-sensitivity and a compact form factor.
784 Pressure Switch
Equipped with either a 2- or 3-pin Deutsch connector and compliant with IP67 standards, our 784 pressure switch is a miniature piston-operated factory set design for applications with limited installation space. This unique model thrives in tough environments containing oil, fuel, water, dust, vibration or shock.
785 Pressure Switch
Equipped with either a 2- or 3-pin Deutsch connector and compliant with IP67 standards for maximum environmental protection.
703-U Pressure Switch
Offering exceptional accuracy and repeatability, this design is a heavy-duty, factory set pressure switch used for gaseous or liquid fluid systems.
703-UJ Pressure Switch
Designed for easy field adjustment, our heavy-duty 703-UJ adjustable pressure switch is good for use in gaseous or liquid fluid systems.
768-S Diaphragm Pressure Switch
Ideal for low pressure and vacuum applications, this pressure switch's Delrin® housing makes it a good choice when sterilization and cleanliness are necessary.
768-C Diaphragm Pressure Switch
Designed for high performance in low pressure applications, this adjustable diaphragm pressure switch features a compact size and Delrin® housing for sterilization and cleanliness.
768-V Diaphragm Pressure Switch
This model excels in low pressure applications requiring high electrical capacity and features Delrin® housing for sterilization and cleanliness.