658 Series
658 Series Drawing

658 SERIES DUAL DIFFERENTIAL PRESSURE SWITCH

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.

Switch Ranges from 40 to 500 PSIG

Detailed Switch Specs PDF »

FEATURES / BENEFITS

  • Lightweight, aluminum construction
  • Dual-spring design for accuracy and stability
  • One piece fully supported diaphragm to achieve both low set-points and high proof pressures
  • Factory set, tamper proof
  • Fully enclosed design for harsh environments

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

658 series