SOR 107AL-N40-P1-F0A-X Differential Pressure Switch | Low Draft

Powergear X Automation’s Insight

• The SOR 107AL-N40-P1-F0A-X excels in environments requiring extreme sensitivity.
• Its large diaphragm design overcomes friction limitations of smaller sensors.
• We recommend this for draft ranges where precision is non-negotiable.
• Engineering teams value its SIL2 rating for safety-critical burner management.
• This unit integrates seamlessly with Siemens or Honeywell burner controllers.

Product Overview

• The SOR 107AL-N40-P1-F0A-X is a rugged, field-mounted differential pressure switch.
• It specializes in ultra-low pressure detection for process industries.
• The large sensing diaphragm ensures high accuracy for air and gas services.
• Engineers trust its Explosion-Proof housing for hazardous Class I and II environments.
• It provides reliable switching for HVAC draft monitoring and filter health.

Technical Specifications

• Brand: SOR Controls Group
• Model Number: 107AL-N40-P1-F0A-X
• Switching Element: SPDT Hermetically Sealed
• Housing Material: 356-T6 Aluminum with Cast Iron features
• Port Connection: 1/8” NPT(F) Plated Cold-Rolled Steel
• Maximum System Pressure: 10 psig (0.69 bar)
• Vacuum Protection: Up to 30” Hg
• Temperature Range: -40 to 150°F (-40 to 65°C)
• Electrical Rating: 5 Amps at 250 VAC / 5 Amps 30 VDC
• Electrical Lead: 18-AWG color-coded 18” wire leads
• Wetted Parts: Buna-N, Brass, Stainless Steel, and Acrylic
• Certification: SIL1 and SIL2 (IEC 61508), CSA, UL, RTN

Applications and Diagnostics

• Burner Management: Monitors primary and secondary air flow rates precisely.
• HVAC Systems: Detects pressure drops across high-efficiency filters accurately.
• Draft Range Sensing: Ideal for chimney and flue gas monitoring applications.
• Diagnostic Capability: Visual set-point indication simplifies local troubleshooting sessions.
• System Integrity: Detects fan failures or duct obstructions instantly for safety.

Installation and Maintenance

• Mounting: Vertical orientation ensures maximum diaphragm sensitivity and performance.
• Calibration: Use the external adjustment screw for quick field set-points.
• Convenience: Visual scale allows for rapid inspection without specialized tools.
• Wiring: Standard 1/2” NPT(M) conduit connection facilitates easy cable routing.
• Maintenance: Inspect wetted parts annually for debris accumulation or wear.

Ordering and Logistics

• Dispatch Time: Ships within 24-48 hours from our global stock.
• Express Shipping: Worldwide delivery via FedEx, UPS, or DHL.
• Package Includes: Switch unit, calibration certificate, and installation manual.
• Warranty: Includes a comprehensive 12-month quality guarantee.
• Direct Inquiry: Contact sales@powergearx.com for bulk project pricing.

FAQ and Selection Guide

• How do I choose between F0A and F1A models?
• The F0A uses 1/8″ NPT ports while F1A provides 1/4″ NPT ports.
• Can this switch handle liquid media?
• No, this model specifically monitors air and compatible industrial gases.
• Is the set-point adjustable under pressure?
• Yes, the external adjustment allows changes while the system remains operational.
• Expert Experience Tip:
• Always install a pulsation dampener if the fan creates turbulent air.
• Selection Advice:
• Verify your maximum surge pressure stays below 10 psig to prevent damage.

For technical assistance, please contact us via WhatsApp: +86 18030005825.

Copyright © 2026 Powergear X Automation Limited. All rights reserved.

Original Source: https://www.powergearx.com/