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Pressure Switches

EPSA10 Supervisory Pressure Switch

EPSA10 supervisory pressure switches are designed for use in wet, dry, deluge, and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler.

EPSA10 Supervisory pressure switches are designed for use in wet, dry, deluge, and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler. They feature field adjustable pressure sensitivity that provides an alarm response between 10 and 100 psi. They are factory-set to respond at 4 to 8 psi on rising or falling pressure. The switch's pressure adjustment wheel requires no special tools and does not affect switch. The EPSA10 Series switches are NEMA 4 rated.

Features & Benefits:
  • Sensitivity adjustment wheel, no special tools required
  • Reinforced diaphragm resists pressure spikes
  • Two conduit entrances
  • Both 1- and 2-switch models available
Certifications:
  • ULC Listed
  • FM Approved
  • NEMA 4 Rated

Others

  • Switching Differential
    • 3 pounds per square inch
  • Maximum Adjustment Pressure
    • 20 pounds per square inch
  • Minimum Adjustment Pressure
    • 4 pounds per square inch
  • Connection Type
    • Male NPT
  • Switch Configuration
    • SPDT
  • Connection Size
    • 1/2 inch
  • Minimum Operating Ambient Temperature
    • -40 degree Celsius
    • -40 degree Fahrenheit
  • Pressure Sensor Type
    • Alarm
  • Maximum Operating Ambient Temperature
    • 71 degree Celsius
    • 160 degree Fahrenheit

Others

  • Switching Differential
    • 3 pounds per square inch
  • Maximum Adjustment Pressure
    • 20 pounds per square inch
  • Minimum Adjustment Pressure
    • 4 pounds per square inch
  • Connection Type
    • Male NPT
  • Switch Configuration
    • SPDT
  • Connection Size
    • 1/2 inch
  • Minimum Operating Ambient Temperature
    • -40 degree Celsius
    • -40 degree Fahrenheit
  • Pressure Sensor Type
    • Alarm
  • Maximum Operating Ambient Temperature
    • 71 degree Celsius
    • 160 degree Fahrenheit
  • Switching Differential : 3 pounds per square inch
  • Maximum Adjustment Pressure : 20 pounds per square inch
  • Minimum Adjustment Pressure : 4 pounds per square inch
  • Connection Type : Male NPT
  • Switch Configuration : SPDT
  • Connection Size : 1/2 inch
  • Minimum Operating Ambient Temperature : -40 degree Celsius|-40 degree Fahrenheit
  • Pressure Sensor Type : Alarm
  • Maximum Operating Ambient Temperature : 71 degree Celsius|160 degree Fahrenheit
Image
SKU
Description
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EPSA10-2
Alarm Pressure Switch, 2 SPDT, Brass Fitting, 1/2NPT Male, 4–20psi
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EPSA10-1
Alarm Pressure Switch, 1 SPDT, Brass Fitting, 1/2NPT Male, 4–20psi