Catalogs >
HUBA CONTROL >
Electronic Pressure Switch 521 0 ... 2.5 - 600 bar

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar
6Pages

Catalog excerpts

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar - 1

Pressure switch Relative pressure switch Type 521 The compact type 521 pressure switch is based upon the Huba Control developed thick film technology where the pressure measuring cell is fully welded. Switching points set in factory are available both N/C and N/O function. Various electrical and pressure connections are available to suit given applications. + Compact, rugged construction + Welded without sealing parts + Saving time by quick cable mounting by the customer with swift connector + Large selection of connections available Huba Control Type 521 | Technical data subject to change | Edition 09/2020

Open the catalog to page 1

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar - 2

Technical overview Pressure range Relative Operating conditions Medium Temperature Tolerable overload Rupture pressure Liquids, gases and refrigerants (incl. ammonia) Medium -40 ... +135 ºC Ambient -30 ... +85 ºC Storage -50 ... +100 ºC < 6 bar 5 x FS > 6 bar 3 x FS (max. 1500 bar) < 6 bar 10 x FS > 6 bar 6 x FS (max. 2500 bar) Materials Pressure Connection Plug accommodation Pressure connection Materials in contact with medium Sensor Stainless steel 1.4404 / AISI 316L (inside thread Schrader 1.4305 / AISI 303 only) Polyarylamide 50% GF UL 94 V-0 Stainless steel 1.4404 / AISI 316L (inside...

Open the catalog to page 2

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar - 3

Order code selection table in bar 0 ... 2.5 bar 9 1 4 0 ... 4 bar 9 1 5 0 ... 6 bar 9 1 7 0 ... 10 bar 9 3 0 0 ... 16 bar 9 3 1 0 ... 25 bar 9 3 2 1) Pressure range 0 ... 40 bar 9 3 3 0 ... 60 bar 9 4 0 0 ... 100 bar 9 4 1 0 ... 160 bar 9 4 2 0 ... 250 bar 9 4 3 0 ... 400 bar 9 5 4 0 ... 600 bar 9 5 5 standard S 0 Version for oxygen applications S 1 Contact N/O High-Side-Switch PNP 1 Switching contact Contact N/C High-Side-Switch PNP 2 Swift connector without cable 0 Electrical connection Connector M12x1 2) 3 Swift connector with cable 1.5 m L 7 /16 -20 UNF sealing cone with Schrader 0 0 0...

Open the catalog to page 3

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar - 4

Order code selection table in MPa 0 ...0.25 MPa 9 G 4 0 ... 0.4 MPa 9 G 5 0 ... 0.6 MPa 9 G 7 0 ... 1 MPa 9 H 0 0 ... 1.6 MPa 9 H 1 0 ... 2.5 MPa 9 H 2 1) Pressure range 0 ... 4 MPa 9 H 3 0 ... 6 MPa 9 K 0 0 ... 10 MPa 9 K 1 0 ... 16 MPa 9 K 2 0 ... 25 MPa 9 K 3 0 ... 40 MPa 9 L 4 0 ... 60 MPa 9 L 5 standard S 0 Version for oxygen applications S 1 Contact N/O High-Side-Switch PNP 1 Switching contact Contact N/C High-Side-Switch PNP 2 Swift connector without cable 0 Electrical connection Connector M12x1 2) 3 Swift connector with cable 1.5 m L 7 /16 -20 UNF sealing cone with Schrader 0 0 0 N...

Open the catalog to page 4

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar - 5

Dimensions in mm / Electrical connections Swift connector Inside thread 7/16 - 20 UNF Schrader N/C contact: When pressure is applied (p0  pmax) the switch will disconnect the applied load as soon as the upper switching point is reached. As the pressure falls (pmax  p0) the switch will connect the load as soon as the lower switching point is reached. N/O contact: When pressure is applied (p0  pmax) the switch will connect the applied load as soon as the upper switching point is reached. With a fall in pressure (pmax  p0) the switch will disconnect the load as soon as the lower switching...

Open the catalog to page 5

Electronic Pressure Switch 521 0 ... 2.5 - 600 bar - 6

Huba Control AG Headquarters Schweiz Industriestrasse 17 CH-5436 Würenlos Telefon Niederlassung Deutschland Vestiging Nederland Succursale France Branch Office United Kingdom Unit 13 Berkshire House, County Park Technopôle Forbach-Sud Business Centre, Shrivenham Road

Open the catalog to page 6