490 SERIES COMPACT LIGHTWEIGHT PRESSURE SWITCH
The 490 range offers high pressure system control in a compact, lightweight housing covering a pressure range from 3.0 to 3000 PSIG. Its high proof pressure makes the 490 series the first choice when it comes to pump control applications such as landing gear and brake control. Being fully field adjustable and available with a wide range of pressure port and connections, this switch offers flexibility at an affordable price.
Switch Ranges from 3.0 to 3000 PSIG
FEATURES / BENEFITS
- Lightweight, aluminum body, pressure switch
- Dual-spring design for accuracy and stability
- Field adjustable
- Suitable for altitude ranges from -1000 ft to 50'000 ft
- Designed to meet FAA's 15 min. flame test requirement
- Piston design to allow high proof pressure
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 |
3.0 to 3000 PSI |
Proof Pressure |
4500 PSI |
Hysteresis |
10% to 40% of set point |
Operating Temp. |
-65°F to 180°F |
PHYSICAL |
|
Case Material |
2024T351 Aluminum Gold Anodized or 303 Stainless Steel |
Seal |
Varies by option - See part number system below |
Piston |
303 Stainless Steel |
Pressure Port |
Many standard ports - See part number system below |
Electrical Connections |
Wire leads or Mate n lok 1-480701 |
Weight |
Less than 2 ounces |
ELECTRICAL |
|
Current Rating |
Resistive 5 AMP |
Operating Voltage |
30VDC |
