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Mechanical Switches
Brand: EDCO USA
Mechanical switches, pressure or vacuum, employ a spring-biased diaphragm as a sensing mechanism. Electrical-output versions include a standard SPDT snap-action switch that can be wired normally open (NO) or normally closed (NC) as the application requires.
Pneumatic output versions include a three-way servo-piloted valve and must be ordered specifically as NO or NC output. The servo-pilot greatly reduces the valve actuating force so it can be operated by a small diaphragm. However, being a bleed-type device, it leaks a small amount of compressed air to make it work (this is not a defect).
1 - 6 of 6 Part Numbers
PSA18-E
- Gauge Type - Pressure
- Output Type - Electrical
PSA18-NCL
- Gauge Type - Pressure
- Output Type - Pneumatic Output (Normally Closed)
PSA18-NOP
- Gauge Type - Pressure
- Output Type - Pneumatic Output (Normally Open)
VSA18-E
- Gauge Type - Vacuum
- Output Type - Electrical
VSA18-NCL
- Gauge Type - Vacuum
- Output Type - Pneumatic Output (Normally Closed)
VSA18-NOP
- Gauge Type - Vacuum
- Output Type - Pneumatic Output (Normally Open)
1 - 6 of 6 Part Numbers