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Qualitrol Seal-in Pressure Relay, 909

909 Seal-In Pressure Relay

Brand: Qualitrol Company
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For use with Qualitrol 900/910 series Rapid Pressure Rise Relays and other instruments to maintain momentary alarm and trip circuits.

The relay and LED indicator remains activated until the manual reset button is pressed.
Features
  • Eliminates problematic and momentary relay actions
  • Eliminates the difficulty of controlling alarms and other peripheral devices with momentary or chattering contact signals
  • Configurable for use varying applications
  • One model configurable for either 48, 125, 250 Vdc or 120, 240 Vac
  • Mounting footprint and wiring is compatible with existing installations of similar devices
  • Two independent relays provide simultaneous operation for control functions
  • Corrosion resistant materials and rugged design provide a long service life
  • Stainless steel cover protects components
  • Printed circuit board provides high reliability
  • Seal-in function controlled by solid state device
  • Trip circuit contacts are protected by surge suppressor
  • Wiring connections and jumper configurations are printed on shield
  • Convenient jumper plug allows easy adaptability to various supply line voltage and current types
  • Red LED indicates actuation of relay
  • Yellow LED indicates a short in the switch or faulty wiring

Specifications

Brand

Alarm Contact Rating

  • 1/4 hp at 125/250 Vac
  • 8 A at 30 Vdc Resistive

Ambient Humidity

  • 95 % Non-Condensing

Ambient Operating Temperature

  • -45° to 40° C (-49° to 104° F)

Dielectric Strength

  • 2,500 Vac for One Minute, TB1 1-12 to 13

Electrical Connectors

  • Screw Typical Terminal Block

Mounting

  • Designed to be Surface Mounted Inside an Enclosure

Number of Relays

  • 2

Output Style

  • (1) Form A & (1) Form C

Relay Reaction Time

  • < 20 milliseconds

Screw Terminal Rating

  • UL, 20 A at 600 V

Shield Material

  • 304 Stainless Steel

Shock Resistance

  • 10 G’s in All Three Axis’

Standard Voltage

  • 120-240 Vac
  • 24-250 Vdc

Surrounding Air Temperature

  • -45° to 70° C (-49° to 158° F)

Trip Contact Rating

  • 1/4 hp at 125/250 Vac
  • 8 A at 250 Vac
  • 8 A at 30 Vdc, Resistive

UL Ratings

  • UL 508, 1604 (Class I, Div II Hazardous Locations) (909-300-02)
  • UL 508 (909-300-01)

Vibration Resistance

  • 60-120 Hz, 0.004” Displacement in All Three Axis

Documentation

Data Sheets

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