NOSHOK 400 Series Zinc Plated Steel Heavy-Duty Mechanical Pressure Switch, SPDT, 1/4" NPT Male, 7-115 (300 psi) psi Pressure Range

With a stable switching point setting, the robust 400 Series Switch converts pneumatic and hydraulic pressure into switching functions, and is designed for applications requiring maximum accuracy under high loads. It is SPDT, and can be normally open (N.O.) or normally closed (N.C.) depending on the wiring. The switching point is fully adjustable by means of a simple adjustment knob within the adjustment range. It also includes a locking mechanism for switch point adjustment. The 400 Series Switch is fitted with DIN EN 175301-803 Form A connectors for fast and easy installation. It is also available with an LED indicator on the plug for visual monitoring of the switch status, or an M12 x 1 (4-pin) electrical connection. Easy to adjust. Applicable for hydraulic systems, including mobile hydraulics, pneumatic systems, power generation, pumps and compressors, marine. NBR diaphragm is less than or equal to 230 psig, Stainless Steel piston with NBR seal is greater than or equal to 500 psig. Diaphragm type, compressed air or non-corrosive liquids Piston type, self-lubricating fluids such as hydraulic oil or grease. SPDT, micro switch with silver plated self cleaning contacts. Diaphragm type, 1 to 11 range of adjustment range full scale, Piston type, 2 to 8 percent of adjustment range full scale. Maximum 200 cycles per minute. Up to 28VDC - max 4A Up to 250VAC - max 3A contact rating. 13 to 185 degree F storage temperature, 14 to 176 degree F media and Ambient temperature. Hirschmann (DIN EN 175301-803 Form A) electrical connection. 30g's per IEC 770 Shock, 10g's per IEC 770 Vibration. NEMA 4: IP65 for Hirschmann Environmental Protection. Acc. to EU Standard 73/23/EWG CE Certification.