

The 658 is a dual differential pressure switch allowing sensing of a differential pressure in any direction in either port. Available switch points between 40 to 500 PSIG make this sensor suitable for use in hydraulic control systems. Due to a wide selection of electrical connections and port options, this switch can be manufactured to meet most customers' specific requirements.
SPECIFICATIONS |
|
MECHANICAL |
|
Standard Tolerance |
±10% |
Switch Type |
SPDT (single pole / double throw) |
Switching Medium |
Air or compatible fluids |
Mechanical Life |
100,000 cycles |
Set-Point Ranges |
40 to 500 PSI |
Proof Pressure |
3500 PSI |
Hysteresis |
5% to 30% of set point |
Operating Temp. |
-65°F to 300°F |
PHYSICAL |
|
Case Material |
2024T351 Aluminum, Gold Anodized |
Seal |
Buna n |
Diaphragm |
Silicone |
Pressure Port |
Varies by option - See part number system below |
Electrical Connections |
Varies by option - See part number system below |
Weight |
Less than 6 ounces |
ELECTRICAL |
|
Current Rating |
Resistive 5 AMP |
Operating Voltage |
30VDC |
