Barksdale EPD1H-AA40 Switch
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Barksdale EPD1H-AA40 Switch

Barksdale EPD1H-AA40 Switch

The Barksdale EPD1H-AA40 is a heavy-duty diaphragm pressure difference switch designed for precision monitoring in HVACR and industrial fluid systems. Built with a NEMA 4 watertight enclosure and an integrated junction box, this unit facilitates secure terminal block connections for demanding field environments. It features a versatile set point range of 3 to 150 psi, utilizing a high-quality elastomer diaphragm to ensure repeatable accuracy and long-term stability. The EPD1H-AA40 pressure switch (interchangeable with the EPDIH-AA40 model) provides a reliable SPDT limit switch output rated at 10 amps, making it ideal for differential pressure monitoring in pumps, chillers, and hydraulic power units. Its rugged design handles high positive pressure surges while maintaining a narrow deadband for tight process control.

Key Benefits

  • Dual-Chamber Design: Expertly manages pressure differentials from 3 to 150 psi with high proof pressure overhead.
  • Integrated Junction Box: Simplifies wiring with internal terminal strips, eliminating the need for external splice kits.
  • Industrial Durability: The NEMA 4 housing protects internal components from moisture, dust, and corrosive environments.
  • Field Adjustable: Features a simplified adjustment screw for precise set point calibration under actual load conditions.
  • Cross-Compatibility: Confirmed identical specifications to the EPDIH-AA40 for direct drop-in replacement.

Common Questions

How do I wire the Barksdale EPD1H-AA40 for a normally closed circuit?
Access the terminal block within the internal junction box and utilize the SPDT contacts—identifying the Common and Normally Closed (NC) terminals as specified in the Barksdale wiring diagram.

What is the maximum proof pressure for this differential switch?
While the operating range is 3 to 150 psi, the EPD series is designed to withstand significant overpressure; however, always verify systemic static pressure limits to prevent diaphragm deformation.

Can the EPD1H-AA40 be mounted in any orientation?
For optimal repeatability and accuracy, it is recommended to mount the switch vertically, though the diaphragm design allows for flexibility in tight mechanical rooms.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$150.87

Original: $431.06

-65%
Barksdale EPD1H-AA40 Switch

$431.06

$150.87

Barksdale EPD1H-AA40 Switch

The Barksdale EPD1H-AA40 is a heavy-duty diaphragm pressure difference switch designed for precision monitoring in HVACR and industrial fluid systems. Built with a NEMA 4 watertight enclosure and an integrated junction box, this unit facilitates secure terminal block connections for demanding field environments. It features a versatile set point range of 3 to 150 psi, utilizing a high-quality elastomer diaphragm to ensure repeatable accuracy and long-term stability. The EPD1H-AA40 pressure switch (interchangeable with the EPDIH-AA40 model) provides a reliable SPDT limit switch output rated at 10 amps, making it ideal for differential pressure monitoring in pumps, chillers, and hydraulic power units. Its rugged design handles high positive pressure surges while maintaining a narrow deadband for tight process control.

Key Benefits

  • Dual-Chamber Design: Expertly manages pressure differentials from 3 to 150 psi with high proof pressure overhead.
  • Integrated Junction Box: Simplifies wiring with internal terminal strips, eliminating the need for external splice kits.
  • Industrial Durability: The NEMA 4 housing protects internal components from moisture, dust, and corrosive environments.
  • Field Adjustable: Features a simplified adjustment screw for precise set point calibration under actual load conditions.
  • Cross-Compatibility: Confirmed identical specifications to the EPDIH-AA40 for direct drop-in replacement.

Common Questions

How do I wire the Barksdale EPD1H-AA40 for a normally closed circuit?
Access the terminal block within the internal junction box and utilize the SPDT contacts—identifying the Common and Normally Closed (NC) terminals as specified in the Barksdale wiring diagram.

What is the maximum proof pressure for this differential switch?
While the operating range is 3 to 150 psi, the EPD series is designed to withstand significant overpressure; however, always verify systemic static pressure limits to prevent diaphragm deformation.

Can the EPD1H-AA40 be mounted in any orientation?
For optimal repeatability and accuracy, it is recommended to mount the switch vertically, though the diaphragm design allows for flexibility in tight mechanical rooms.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

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Description

The Barksdale EPD1H-AA40 is a heavy-duty diaphragm pressure difference switch designed for precision monitoring in HVACR and industrial fluid systems. Built with a NEMA 4 watertight enclosure and an integrated junction box, this unit facilitates secure terminal block connections for demanding field environments. It features a versatile set point range of 3 to 150 psi, utilizing a high-quality elastomer diaphragm to ensure repeatable accuracy and long-term stability. The EPD1H-AA40 pressure switch (interchangeable with the EPDIH-AA40 model) provides a reliable SPDT limit switch output rated at 10 amps, making it ideal for differential pressure monitoring in pumps, chillers, and hydraulic power units. Its rugged design handles high positive pressure surges while maintaining a narrow deadband for tight process control.

Key Benefits

  • Dual-Chamber Design: Expertly manages pressure differentials from 3 to 150 psi with high proof pressure overhead.
  • Integrated Junction Box: Simplifies wiring with internal terminal strips, eliminating the need for external splice kits.
  • Industrial Durability: The NEMA 4 housing protects internal components from moisture, dust, and corrosive environments.
  • Field Adjustable: Features a simplified adjustment screw for precise set point calibration under actual load conditions.
  • Cross-Compatibility: Confirmed identical specifications to the EPDIH-AA40 for direct drop-in replacement.

Common Questions

How do I wire the Barksdale EPD1H-AA40 for a normally closed circuit?
Access the terminal block within the internal junction box and utilize the SPDT contacts—identifying the Common and Normally Closed (NC) terminals as specified in the Barksdale wiring diagram.

What is the maximum proof pressure for this differential switch?
While the operating range is 3 to 150 psi, the EPD series is designed to withstand significant overpressure; however, always verify systemic static pressure limits to prevent diaphragm deformation.

Can the EPD1H-AA40 be mounted in any orientation?
For optimal repeatability and accuracy, it is recommended to mount the switch vertically, though the diaphragm design allows for flexibility in tight mechanical rooms.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.