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6702-BBCB-0000 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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6702-BBCB-0000 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
5 / 20 page 6702 ~ High Pressure Switch 1999 FOR FURTHER INFORMATION TEL: +44 (0)1284 701422 FAX: +44 (0)1284 753112 ISSUE 01 As a consequence of our policy of continual improvement, we reserve the right to change without notice any detail in this publication. Please see our Conditions of Sale. 6702 Pressure Switch The industrial pressure switch is moulded entirely in plastic with the exception of the pressure connection and is water, oil and dust proof to IP65. The switches have excellent repeat accuracy, even over widely varying ambient conditions. The operating pressure is adjustable externally using the thumb screw on the top and the approximate pressure setting can be seen through a window in the cover. To discourage unauthorised tampering, the adjusting screw can be locked in position with an M1.5mm Allen screw. The microswitches have independent vernier adjustment and are normally set to operate within 2 PSI on rising pressure. Where two pressure levels are to be controlled, the switches can be adjusted separately so that one switch will operate at up to 80% of the level of the second. The switches can also be set to operate simultaneously on falling pressure instead of rising pressure. The pressure switch is of Class II construction with double insulation. For quantity orders, many special options are available, please enquire:- y Single or double pole switching set to specific pressure levels y Alternative connector sizes y Alternative diaphragms and metal chambers to resist particular fluids y Installation and setting instructions are supplied with each product Withstand pressure 500 PSI (34.5 Bar) Setting accuracy when set by herga ± 10% Temperature range -5˚C to +70˚C Diaphragm Fabric reinforced Nitrile Weight 300g Other Information Acetone Ammonia (Liquid) Amyl Alcohol to 20˚C Automotive Brake Fluid Beer Butane Carbon Dioxide (Dry) Citric Acid Copper Sulphate (Sol.) Compressed Air Cutting Oil Diesel Oil Detergent Solution Fuel Oil Glycol Hydraulic Oil Hydrogen Lubricating Oil Milk Mineral Oil Natural Gas Oxygen to 70˚C Petrol Plating Solution (Chrome) Salt Water Sewage Turpentine Vinegar Water Suitability for use with different operating media Pressure Medium 6702 Silver Contact Microswitch Data Average Life Expectancy Mechanical 1.0 x 106 2.0 x 105 @ 10A 1.0 x 104 @ 21A Max. Electrical Load Electrical Rating Electrical Voltage Res. Ind. (Pf 0.75 Motor) AC 250V 250V 125V 6V 12V 24V 60V 110V 220V 21A 15A 8A 1A 0.5A 0.25A 21A 15A 7A 0.5A 0.2A 0.1A 21A 21A 21A 8A 1HP 2HP DC Gold Contact Microswitch Data Average Life Expectancy Mechanical 1.0 x 1.06 2.0 x 105 @ 10A 1.0 x 104 @ 21A Max. Electrical Load Electrical Rating Electrical Voltage Res. Ind. (Pf 0.75 Motor) AC UL/CSA Only 250V 125V 0.1A 0.1A 0.05 ----- N/A ----- Switch Standards: EN 60730, EN 61058 and UL 508 Approvals Available: CE, BEAB, CSA, DEMCO, IMQ, KEMA, NEMCO, OVE, SEMCO, SET I, SEV, UL, VDE = Recommended = Suitable with modifications Note: Dry Switching - if switching low power circuits, low current (4 to 100 milliamperes) and low voltage (below 30V), consult herga or refer to gold contact in section 4 of the opposite page. Herga do not accept liability for any pressure operated device used outside the pressure range specified by the company. Note: differentials are approximate |
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