pressure and vacuum switches PISTON PRESSURE SWITCH WITH 4A RATED CHANGEOVER CONTACTS AND BUILT IN CONNECTOR 50 40 * Range 50 to 200 Bar * 600 Bar overpressure * SPDT changeover contact * Zinc plated steel body * Nitrile, EPDM, Viton piston seals Pg 9 83 O34 AF 27 9 Type 0185 O26 CHANGEOVER CONTACT DETAILS TECHNICAL SPECIFICATION Contact rating 4A Maximum operation 200/min Temperature range Normally 2 closed 4 Normally open NBR -30 to +100C EPDM -30 to +100C FKM -5 to +120C Maximum voltage 1 Common 250VAC Hysteresis adj. 10 to 30% (adjusted at factory) Mechanical life 106 operations Body material Zinc plated steel (Fe/Zn 12cC) Protection IP65 ORDERING INFORMATION Thread type Type 0185 46002 46003 002 003 Adjustment range (Bar) Tolerance at room temp (Bar) M12 x 1.5 1 /4" BSP 50 - 200 Static Overpressure (Bar) 5.0 600 SUCO piston seal type 1 2 3 Material Nitrile (NBR) EPDM Viton (FKM) Suitable for Hydraulic oil, engine oil, heating oil, turpentine, Water, Seawater, Acetylene, 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 1 /4" BSP thread, 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 0 0 SEAL 3 INTERNAL USE ONLY Please note that all switches can be set & adjusted via the central turning screw. 16 0800 731 3187 www.oem.co.uk