Mechanical Pressure Switches

PS3A Series

Adjustable Pressure Switch

Piston-operated pressure switch with an adjustable switch point and stainless-steel housing.

CASCED PS3A adjustable pressure switch with DIN connector
RANGE10-400 bar
OUTPUTSPDT; up to 30 VDC or 250 VAC
MATERIALStainless-steel housing
PROTECTIONIP65 / IP67 by connection

Product overview

Application-focused measurement and switching.

The PS3A Series uses a piston sensing element to provide an adjustable pressure switch point from 10 to 400 bar. Its stainless-steel housing, SPDT contact, and multiple electrical connection options support water, oil, and gas pressure-monitoring applications.

Configuration note

Ratings, materials, interfaces, and approvals can vary by ordered configuration. CASCED US confirms the controlled specification before order acceptance.

Key features

  • Adjustable switch point
  • SPDT switching
  • Stainless-steel housing
  • Factory preset rising or falling alarm available

Technical specifications

Key data for product selection.

Adjustment ranges
10–25; 25–70; 70–120; 120–160; 160–200; 200–400 bar
Proof pressure
600 bar
Repeatability
±1% to ±2% FS
Media temperature
-40°C to +120°C
Ambient temperature
-40°C to +120°C
Switching voltage
Max. 30 VDC and 250 VAC
Switching current
Max. 0.1 A DC and 5 A AC
Protection
IP65 with DIN connector; IP67 with M12×1 connector or cable outlet
Standard process connection
G1/4; other connections available

Downloads

Technical documentation

View in your browser or download a copy for engineering and sourcing review.

Typical applications

Engineered for real industrial systems.

01Water, oil, and gas pressure monitoring

Contact technical sales

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