Pressure Switches Mechanical Heavy-Duty 400 SERIES • Switch adjustment ranges from 0 to 300 psig through 0 to 5,000 psig • Standard zinc-plated steel with NBR diaphragm (< 225 psig); steel piston with NBR seal (> 225 psig) wetted parts • SPDT single changeover contact con guration • CE compliant to suppress RFI, EMI and ESD SPECIFICATIONS Switching parameters Number Function Contact rating APPLICATIONS Hydraulics & pneumatics Mobile hydraulics Power generation Pumps & compressors Tank monitoring Water management Non-repeatability Contact material Frequency Media Pressure ranges Switch adjustment Switch point Hysteresis Durability Temperature ranges Proof pressure Measuring element Housing material Environmental rating Electromagnetic rating Shock Vibration Weight 1 SPDT, micro switch Up to 28 Vdc Max 4A Up to 250 Vac Max 3A ±2% of full scale of adjustment range Silver-plated, self-cleaning Max. 200 cycles/min. Diaphragm type, compressed air or non-corrosive liquids Piston type, self-lubricating uids such as hydraulic oil or grease 0 psig to 300 psig through 0 psig to 5,000 psig Adjustment knob from 3 psig to 4,600 psig dependent on full scale range Full scale Diaphragm type, 1% to 11% of adjustment range full scale Piston type, 2% to 8% of adjustment range full scale >1,000,000 cycles Media 14 °F to 176 °F (-10 °C to 80 °C) Ambient 14 °F to 176 °F (-10 °C to 80 °C) Storage 13 °F to 185 °F (-25 °C to 85 °C) 300 psi or 5,000 psi depending on adjustment range NBR diaphragm 230 psig Stainless steel piston with NBR seal 500 psig 1/4 NPT and 7/16-20 SAE zinc-plated steel connections standard, others available on request Zinc-plated steel IP65 for Hirschmann IP67 for M12 x 1 CE compliant to EU Standard 73/23/EWG RFI, EMI and ESD protection 30 g’s according to IEC 60068-2-27 10 g’s according to IEC 60068-2-6

ORDERING INFORMATION DIMENSIONS ORDERING INFORMATION SERIES SWITCH FUNCTION PROCESS CONNECTIONS* SWITCH ADJUSTMENT RANGES (Max. working pressure) ELECTRICAL CONNECTIONS Single Pole Double Throw (SPDT) 1/4 NPT male 1/4 NPT female G 1/4 B male 3 psig to 30 psig (300 psig) 7 psig to 115 psig (300 psig) 15 psig to 225 psig (300 psig) 150 psig to 425 psig (5,000 psig) 150 psig to 1,150 psig (5,000 psig) 36 Cable (connected to option 8) M12 x 1 (4-pin) 150 psig to 1,700 psig (5,000 psig) 150 psig to 2,300 psig (5,000 psig) 300 psig to 2,900 psig (5,000 psig) 300 psig to 3,600 psig (5,000 psig) 450...