50 to 200bar SPDT Steel Pressure Switch Flange and g1/4'' 250VAC DIN-A Connector

50 to 200bar SPDT Steel Pressure Switch Flange and g1/4'' 250VAC DIN-A Connector
50 to 200bar SPDT Steel Pressure Switch Flange and g1/4'' 250VAC DIN-A Connector
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Reference: PSL-E-U-50-200-OC-F-TA
Brand: Tameson

This pressure switch with changeover contacts and setting pressure range from 50 to 200 bar (725 to 2901 psi) is made in a piston design. The switch hysteresis is 15 - 25%. The pressure switch is made from steel and with a UR seal. It has a switch capacity of 5 A @ 250 V AC or 5 A @ 30 V DC and can be mounted using a flange 5.3x20 and G 1/4 inch port.

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Regular price
£119.18
excl VAT

In stock +2 days On request On request
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Description
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This is a mechanical pressure switch with changeover (SPDT (single pole, double throw)) contacts. They are composed of a normally closed contact pair and a normally open contact pair. The setpoint is the pressure value where the switch activates and the reset point is the value at which the switch deactivates when the pressure decreases. The setpoint can be adjusted between 50 and 200 bar (725 and 2901 psi). The maximum overpressure is 300 bar (4351 psi). It has a switch hysteresis (the difference between setpoint and reset point) of 15 - 25%. The switching capacity for this pressure switch is 5 A @ 250 V AC or 5 A @ 30 V DC. It can be connected to an electrical network with a DIN-A connector. This pressure switch is made in a piston design with a steel body and a UR seal. It is suitable for various media, such as compressed air, hydraulic oil and in a temperature range from -25 to 85°C (from -13 to 185°F). It has a flange 5.3x20 and G 1/4 inch port. The pressure switch has an IP65 rating.

Pros:

  • A mechanical pressure switch doesn't need a power supply
  • Long working life and stable operation

Cons:

  • The accuracy of mechanical pressure switches is lower than that of electronic pressure switches
  • Electronic pressure switches are better suited for process control where several switch points, the stability and flexibility of the control are important
  • Not recommended for water or corrosive media

PSL series

Tameson offers a wide range of mechanical and electronic pressure switches. The mechanical pressure switches are available with three different types of contacts: normally open (NO), normally closed (NC) and changeover contacts. The setting pressure is typically adjusted with a hex key or turning knob. The electronic pressure switches have a digital display to set up the switching function. Electronic switches often combine the function of a pressure transducer with a 0-10 V, 4-20 mA or digital output signal. The setting pressure range for these pressure switches is from -1 to 600 bar (from -14 to 8702 psi) and overpressure safety of up to 600 bar (8702 psi) can be attained. Hysteresis is the difference between the switch point and the reset point. Mechanical switches have a hysteresis in the range of 10-30% while electronic switches are often configurable. Choose from a wide range of switch capacities. Please note that maximum load is dependent on voltage and different loads are allowed for AC or DC voltage. Electronic pressure switches require power supply to function. Choose from brass, steel or stainless steel options with various sealing materials to be compatible with your medium and temperatures. Check our chemical resistance table when in doubt. Furthermore, choose from a wide range of options such as mounting standards, electrical connections, ATEX approvals and more.