pressure and vacuum switches DIAPHRAGM PRESSURE SWITCH WITH 4A RATED CHANGEOVER CONTACTS AND BUILT IN CONNECTOR 50 40 * Range from 0.3 - 1.5 Bar to 10 - 100 Bar * Up to 300 Bar overpressure * SPDT changeover contact * Zinc plated steel body * Nitrile, EPDM, Viton diaphragm seals Pg 9 83 O34 AF 27 Type 9 0184 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 at 50 Bar pressure Body material Zinc plated steel (Fe/Zn 12cC) Protection IP65 ORDERING INFORMATION Thread type Type 0184 45702 45703 45802 45803 45902 45903 46102 46103 002 003 041 042 008 009 011 012 Adjustment range (Bar) Tolerance at room temp (Bar) M12 x 1.5 1 /4" BSP M12 x 1.5 1 /4" BSP M12 x 1.5 1 /4" BSP M12 x 1.5 1 /4" BSP 0.3 - 1.5 0.2 1 - 10 0.5 - 1.0 10 - 50 3.0 10 - 100 3.0 - 5.0 Static Overpressure (Bar) 100 300 SUCO diaphragm 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 ORDER EXAMPLE 10 - 50 Bar, being used with a Nitrile diaphragm seal would be as below. 0 TYPE 1 8 4 SWITCH FUNCTION & SETTING RANGE 4 5 9 THREAD 0 3 1 0 0 SEAL 9 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. 0800 731 3187 www.oem.co.uk 15