pressure and vacuum switches STAINLESS STEEL PRESSURE SWITCH WITH 4A RATED CHANGEOVER CONTACTS AND BUILT IN CONNECTOR 50 40 * Range from 0.5 - 5 Bar to 50 - 200 Bar * Up to 600 Bar overpressure * SPDT changeover contact * Full stainless steel (1.4305) body * Nitrile, EPDM, Viton seals Pg 9 83 O34 AF 27 9 Type 0184 - diaphragm 0185 - piston O26 TECHNICAL SPECIFICATION CHANGEOVER CONTACT DETAILS Normally 2 closed Contact rating Maximum operation Temperature range 4 Normally open 4A 200/min NBR -30 to +100C EPDM -30 to +100C FKM -5 to +120C Maximum voltage 250VAC Hysteresis adj. 1 Common 10 to 30% (adjusted at factory) Mechanical life: Diaphragm type 106 operations at pressure up to 50 Bar Piston type 106 operations Body material Stainless steel (1.4305) Protection IP65 ORDERING INFORMATION Type 0184 with diaphragm 45703 45803 45903 46103 SS SS SS SS Thread type Adjustment range (Bar) Tolerance at room temp (Bar) Static Overpressure (Bar) /4" BSP /4" BSP 1 /4" BSP 1 /4" BSP 0.5 - 5 1 - 10 10 - 50 10 - 100 0.2 0.5 3.0 3.0 - 5.0 300 1 50 - 200 5.0 600 1 1 Type 0185 with piston 46003 SS /4" BSP SUCO Seal type 1 2 3 Material Nitrile (NBR) EPDM Viton (FKM) Suitable for Hydraulic oil, engine oil, heating oil, turpentine, air Water, Hydrogen, Seawater, Acetylene, Ozone, Oxygen, Brake Fluid Hydraulic fluid (i.e. HFA, HFB, HFC, HFD), Gasoline N.B Piston pressure switches are not suited for gaseous media, especially not for the use of oxygen. ORDER EXAMPLE 50 - 200 Bar range, being used with an EPDM piston seal would be as below. 0 TYPE 1 8 5 SWITCH FUNCTION & SETTING RANGE 4 6 0 THREAD 0 3 2 S SEAL S INTERNAL USE ONLY Please note that all switches can be set & adjusted via the central turning screw. N.B. When using oxygen, the relating accident prevention regulations are to be observed. Above that we recommend not to exceed a maximum operational pressure of 10 Bar. 18 0800 731 3187 www.oem.co.uk