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Home > Mechanical Pressure Switches > 300 Series Compact SPDT Mechanical Switch With Adjustable Hysteresis > Product Specifications
300 Series Compact SPDT Mechanical Switch
Special Note: RoHS compliant
300 Series Compact SPDT Mechanical Switch
With Adjustable Hysteresis
Product Specifications
| SPECIFICATIONS | |
| Adjustment Ranges | 3 psig to 30 psig through 450 psig to 4600 psig |
| Measuring Element | NBR diaphragm < 225 psig; Steel piston with NBR seal > 225 psig |
| Media | Diaphragm type, compressed air or not corrosive liquids Piston type, self lubricating lfuids such as hydraulic oil or grease |
| Process Connection | 1/4" npt standard, others available on request |
| Connection Material | Zinc plated steel, optional stainless steel or brass |
| Case | Zinc plated steel |
| Switching Function | SPDT, micro switch with silver plated contacts, gold plated contacts available on request |
| Maximum Working Pressure | Diaphragm Type: 870 psi Piston Type: 5000 psi |
| Hysteresis | Adjustable, 10-30% depending on switch point |
| Repeatability | ±2% of full scale adjustment range |
| Contact Rating | up to 28 VDC 2A up to 125 VAC 4A up to 250 VAC 4A |
| Switch Frequency | Max. 100 cycles/min |
| Durability | >1,000,000 cycles |
| Temperature Ranges | Storage: -4°F to 176°F (-20°C to 80°C) Media: -4°F to 176°F (-20°C to 80°C) Ambient: -4°F to 176°F (-20°C to 80°C) |
| Electrical Connection | Hirschmann (DIN EN 175301-803) |
| Environmental Protection | NEMA 4:IP65 |
| Weight | Approximately 0.2 lbs |
Special Note: RoHS compliant