Pressure Switch

Danfoss KP-35 / KP-36, WIKA PSM-550 / PSM-520

Our pressure switches, from renowned brands Danfoss and WIKA, offer versatile solutions for industrial control and monitoring applications. With adjustable settings and robust design, these switches ensure precise and reliable pressure regulation across a variety of systems.

Danfoss Pressure Switch KP-35 / KP-36

General Information:

• Weight:
  • Gross weight: 0.33 Kg
  • Net weight: 0.295 Kg
  • Volume: 0.57 Liter
• Ambient Temperature:
  • Max: 65 °C (149 °F)
  • Min: -40 °C (-40 °F)
  • 80 °C/176 °F for a maximum of 120 minutes
• Contact Function:
  • SPDT (Single Pole Double Throw)
• Contact Rating:
  • AC15: 10 A, 400 V
  • AC1: 16 A, 400 V
  • AC3: 16 A, 400 V
  • DC13: 12 W, 220 V
  • LR: 112 A, 400 V

Pressure Specifications:

• Differential Pressure:
  • Max: 3 bar / 44 psi
  • Min: 0.7 bar / 10 psi
• Max Test Pressure: 22 bar / 319 psig
• Max Working Pressure: 17 bar / 245 psig
• Pressure Connection:
  • Size: 1/4″
  • Standard: ISO 228-1
  • Type: G, Male
• Pressure Sensing Element: Bellows

Electrical Connection:

• Rubber cable gland
• Size: 6-14 mm
• EN 60947 Wiring Properties:
  • Flex, ferrules: 0.5-1.5 mm²
  • Flex, no ferrules: 0.7-2.5 mm²
  • Solid/stranded: 0.75-2.5 mm²

Enclosure Rating:

• IP Rating: IP30
• Nema (~): 1
• Reset Function: Auto

WIKA Pressure Switches (PSM-550, PSM-520)

PSM-520 Pressure Switch:

Applications:

• Pumps:
  • Used for monitoring and control in pump systems.
• Compressors:
  • Applied in industrial compressor systems for pressure control and monitoring.

Special Features:

• Adjustable On-Site:
  • Switch points can be set according to system requirements.
• Protection Cap:
  • Protection for switch point adjustment.
• Setting Ranges:
  • Pressure: -0.4 … +7 to 6 … 30 bar / -6 … 100 to 85 … 425 psi / -0.04 … +0.7 to 0.6 … 3 MPa
• Electrical Rating:
  • AC 230 V, 50/60 Hz, 10 A

• Suitable for industrial control, monitoring, and alarm applications.
• Capable of switching electrical loads up to AC 230 V, 50/60 Hz, 10 A.

PSM-550 Pressure Switch:

Applications:

• Pumps:
  • Utilized in pump systems for control, monitoring, and alarms.
• Lubrication Systems:
  • Applied in lubrication systems for industrial applications.
• Hydraulic Systems:
  • Used for pressure control in hydraulic systems.
• Autoclaves:
  • Used in autoclaves for pressure monitoring and control.

Special Features:

• Non-Repeatability ≤ 1%:
  • High accuracy with non-repeatability of less than 1%.
• Versatile Setting Ranges:
  • Vacuum, +/- pressure, and gauge pressure settings.
• Electrical Rating:
  • AC 230 V, 10 A

• Used for industrial control, monitoring, and alarm systems.
• Designed for use with non-corrosive media such as oil, water, and air.

Danfoss KP-35 / KP-36 and WIKA PSM-550 / PSM-520 pressure switches provide robust solutions for controlling and monitoring pressure in industrial applications. With customizable settings, high pressure handling capabilities, and various material configurations, these switches ensure consistent and reliable performance across systems like pumps, compressors, hydraulic systems, and autoclaves. The WIKA models offer added features such as non-repeatability for precision, and Danfoss provides wide applicability with its SPDT contact function and auto reset feature.