Differential pressure switches PK50

Adjustable differential pressure switch for monitor ing

overpressure, vacuum and differential pressure of air or other

non-combustible, non-aggressive gases.

Maximum operating pressure

10 kPa for all pressure ranges.

Medium

Air, non-combustible and non-aggressive gases.

Temperature range

Medium and ambient temperature from –20°C to +85°C.

Storage temperature from –40°C to +85°C.

Diaphragm material

Silicone, tempered at 200°C, free of gas emissions.

Other materials available on request.

Pressure connections

2 plastic pipe connection pieces (P1 and P2), external

diameter 6.0 mm:

P1 for connection to higher pressure (marked +)

P2 for connection to lower pressure (marked –)

Housing materials

Switch body and cover of plastic.

Weight

With cover 150 g, without cover 110 g.

Mechanical working life

Over 106 switching operations.

Electrical rating

Standard version: max. 1.5 A (0.4 A) / 250 VAC

Low-voltage version: max. 0.1 A / 24 VDC

Electrical connections

AMP flat plug 6.3x0.8 mm in accordance with DIN 46244

or push-on screw terminals.

Cable conduit with cable strain relief.

Protection category

IP 54 with cover, IP 00 without cover.

Specifications according to EN1854

Class of control and regulation function: A

Deviation: ≤±15 %, min. ±10 Pa

Drift: ≤±15 %

Accessories

See order matrix.

 Installation & Maintenance_PK50 .pdf

  datasheet-PK50-en-351.pdf

  datasheet-PK50-cn-350.pdf

 Monitoring air filters and ventilators

Monitoring industrial cooling-air circuits

Overheating protection for fan heaters

 Monitoring flows in ventilation ducts

Controlling air and fire-protection flaps

Frost protection for heat exchangers