The GEMS PS61 Series pressure switch is an industrial pressure monitoring device designed to detect pressure changes in fluid and gas systems and activate an electrical switching response. The switch operates using a mechanical sensing mechanism that opens or closes electrical contacts when a preset pressure threshold is reached.
The PS61 series is engineered for demanding industrial environments where equipment must operate reliably under vibration, temperature fluctuations, and exposure to liquids or gases. Its robust construction and compact design allow installation in hydraulic systems, pneumatic circuits, HVAC equipment, and industrial process control systems.
The switch body is available in die cast zinc or 316 stainless steel, providing durability and corrosion resistance for applications involving water, oil, air, gas, and certain chemical media.
GEMS Sensors and Controls
PS61 Series
Pressure Switches
Fluid Control Sensors
New Factory Sealed
In Stock with global shipping available
The PS61 series is available in multiple pressure configurations ranging from 10 PSI to 6000 PSI, allowing use in both low pressure and high pressure systems.
The switch body is manufactured from zinc alloy or stainless steel, providing protection against corrosion, vibration, and mechanical stress.
Models are available with either field adjustable pressure settings or factory calibrated switching points depending on application requirements.
The device provides switching repeatability within ±1 percent of full scale, ensuring consistent pressure control performance.
Available with SPST or SPDT snap action switching contacts, supporting integration with various electrical control circuits.
The switch is rated NEMA 4 and IP67, providing resistance to water ingress and dust exposure.
| Parameter | Details |
|---|---|
| Model Series | PS61 |
| Pressure Range | 10 to 6000 PSI |
| Operating Temperature | –40°C to +121°C |
| Switch Type | SPST or SPDT Snap Action |
| Electrical Rating | 5A at 125/250 VAC, 5A at 30 VDC |
| Process Connection | 1/8 inch or 1/4 inch NPT |
| Housing Material | Zinc Alloy or 316 Stainless Steel |
| Seal Materials | Buna N, Viton, EPDM, Teflon |
| Ingress Protection | NEMA 4 / IP67 |
| Mounting | Direct Thread Mount or Bracket |
Specifications may vary depending on the specific PS61 model configuration.
The PS61 pressure switch operates using a pressure sensing diaphragm or piston mechanism.
During operation:
System pressure enters the sensing port of the switch.
Internal mechanical elements respond to pressure changes.
When the preset pressure threshold is reached, the internal switch contacts open or close.
This switching action activates or interrupts an electrical control circuit.
Used to monitor hydraulic and pneumatic pressure in heavy equipment and automation systems.
Installed in compressor and refrigerant lines to monitor system pressure levels.
Used in trucks, construction machinery, and agricultural equipment for onboard pressure monitoring.
Integrated into pumps, compressors, and automated machinery.
Used in fluid transfer systems, oil and gas operations, and chemical processing equipment.
Choose a model with a pressure range suitable for the operating system to ensure accurate switching performance.
Verify compatibility with the system’s NPT thread connection size.
Ensure the installation location supports the NEMA 4 / IP67 environmental rating requirements.
Provides consistent switching response for critical pressure control systems.
Heavy duty housing materials ensure long service life in industrial environments.
Available in multiple pressure ranges, electrical configurations, and material selections.
The switch design allows installation in confined equipment spaces.
Yes. The switch is compatible with air, water, oil, hydraulic fluids, and certain gases depending on seal and material selection.
Some PS61 models allow field adjustment, while others are factory preset. The exact configuration depends on the selected model.
No. The switch uses a mechanical snap action mechanism, which changes the electrical contact state based on pressure without requiring external power.
GEMS PS61 series pressure switch
manufacturer packaging and identification labeling
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