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Home > Mechanical Pressure Switches > 400 Series Heavy Duty Mechanical Switch > Product Specifications
400 Series Heavy Duty Mechanical Switch
Product Specifications
| SPECIFICATIONS | |
| Maximum Working Pressure | 0 psig to 300 psig through 0 psig to 5,000 psig |
| Measuring Element | NBR diaphragm ≤230 psig Stainless Steel piston with NBR seal ≥500 psig |
| Media | Diaphragm type, compressed air or non-corrosive liquids Piston type, self-lubricating fluids such as hydraulic oil or grease |
| Process Connection | 1/4" NPT and 7/16-20 SAE standard, others available on request |
| Case | Zinc plated steel |
| Switching Function | SPDT, micro switch with silver plated self cleaning contacts |
| Adjustment | Adjustment knob from 3 psig to 4,600 psig dependent on full scale range |
| Hysteresis | Diaphragm type, 1% to 11% of adjustment range full scale Piston type, 2% to 8% of adjustment range full scale |
| Repeatability | ±2% of Full Scale |
| Frequency | Max. 200 cycles/min. |
| Contact Rating | Up to 28 VDC - max 4A Up to 250 VAC - max 3A |
| Temperature Range | Storage: 13°F to 185°F/-25°C to 85°C Media: 14°F to 176°F/-l0°C to 80°C Ambient: 14°F to 176°F/-l0°C to 80°C |
| Electrical Connection | Hirschmann (DIN EN 175301 -803 Form A), M12 x 1 4-Pin available upon request |
| Shock | 30 g's per IEC 770 |
| Vibration | 10 g's per IEC 770 |
| Environmental Protection | NEMA 4:IP65 for Hirschmann NEMA 4X:IP67 for M12 x 1 |
| CE Certification | Acc. to EU Standard 73/23/EWG |
| Weight | Approximately 0.66 lbs |