490 Series
490 Series Drawing

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

Detailed Switch Specs PDF »

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

409 series