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Honeywell PBN3D451H High-Current Low Pressure Sensor

The Honeywell PBN3 series offers a range of miniature, high-current, low-pressure devices ideal for applications requiring precise gauge pressure measurement. These devices incorporate a snap-action SPDT pressure switch, capable of switching up to 16(4) A. Designed for versatility, they can be activated by positive air pressure or non-corrosive liquids at low pressures. The PBN3 series provides smooth 4 mm perpendicular ports and 5 mm barbed radial ports, along with adjustable pressure settings, making them suitable for a wide range of industrial applications.

Authorized Distributors
Part No:PBN3D451H
Stock:0
Inv Date:06-02-2026
Price: Unit price: $53.21
Buy/RFQ:
Part No:PBN3D451H
Stock:30
Inv Date:06-01-2026
Price: Unit price: $67.64
Buy/RFQ:
Part No:PBN3D451H
Stock:30
Inv Date:06-01-2026
Price: Unit price: $67.64
Buy/RFQ:

Honeywell PBN3D451H High-Current Low Pressure Sensor Specifications:

  • Output: SPDT normally open or normally closed
  • Sensing medium: Air or compatible fluids
  • Expected mechanical life: Up to 5 million cycles depending on load
  • Proof pressure: 15 psi for units where set point is 75 in-H2O or less; 80 psi for units where set point is greater than 75 in-H2O
  • Weight: Less than 20 grams
  • Operating temperature: 4 °C to 66 °C with Polyurethane diaphragm; -40 °C to 96 °C with Tefon diaphragm
  • Mounting: Not specified
  • Case material: Not specified
  • Contact material: Not specified
  • Diaphragm material: Polyurethane (standard) or Teflon (optional)
  • Electrical connections: Not specified
  • Pressure ports: Smooth perpendicular and barbed radial
  • Pressure settings: Factory set or adjustable
  • Switching medium: Air or compatible fluids

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Frequently Asked Questions

Where can I buy Honeywell PBN3D451H?

You can click on the BUY or RFQ button to purchase PBN3D451H from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part PBN3D451H?

You can download the PBN3D451H datasheet or visit the Honeywell website for support.

Who is the manufacturer of PBN3D451H?

Honeywell

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