Introduction
In the evolving landscape of industrial automation, precise pressure monitoring has become critical for system efficiency and safety. The SOR 107AL-N12-P1-F0A-X 107 Low Differential Pressure Switches address this need with a rugged design tailored for challenging environments. Built for draft ranges common in HVAC and burner management, this switch delivers reliable performance where accuracy matters.
Technical Specifications Breakdown
The SOR 107AL-N12-P1-F0A-X offers key parameters that define its capability:
- Electrical Housing: Weathertight NEMA 4, constructed from 6063-T5 aluminum, ensuring durability in outdoor or damp conditions.
- Pressure Ports: Plated cold-rolled steel with 1/8” NPT(F) connection; for 1/4” NPT(F), change F0A to F1A in the model.
- Electrical Connection: 3/4” NPT(F) with screw terminals, simplifying wiring.
- Contact Form: SPDT (Single Pole Double Throw), providing versatile switching options.
- Temperature Limits: Ambient and process range from -40 to 150°F (-40 to 65°C), suitable for extreme environments.
- Max System Pressure: 10 psig (.69 bar), with vacuum protection to 30” Hg.
- Weight: Approximately 5 lb (2.3 kg).
These specs ensure the 107AL-N12-P1-F0A-X handles low differential pressure applications with high repeatability and narrow dead band.
Industry Applications
This switch excels in two primary areas:
- HVAC Systems: Monitoring air flow in ducts or filters, the 107AL-N12-P1-F0A-X triggers alarms or controls dampers when pressure drops indicate clogged filters or fan failures.
- Burner Management: In combustion systems, it verifies proper draft or air pressure, ensuring safe burner operation and preventing hazardous conditions.
Its compatibility with air and gas services, plus wetted materials like Buna-N and stainless steel, makes it a versatile choice for industrial environments.
Installation and Setup Guidance
Mount the 107AL-N12-P1-F0A-X in a location free from excessive vibration. Connect pressure lines to the 1/8” NPT(F) ports using appropriate fittings. For electrical wiring, use the 3/4” NPT(F) conduit connection and screw terminals. Adjust the external set point using the visual scale for precise calibration. Always verify system pressure does not exceed 10 psig.
Maintenance and Reliability
Routine inspection of the housing and connections ensures long service life. The weathertight NEMA 4 enclosure protects against moisture and dust. Check the SPDT switching element periodically for proper operation. Given the narrow dead band and high repeatability, the switch maintains accuracy over time, reducing downtime and maintenance costs.
Selection Guide and Purchasing Advice
Before ordering the 107AL-N12-P1-F0A-X, confirm your pressure port size: standard is 1/8” NPT(F); if you need 1/4” NPT(F), select model with F1A. Verify the electrical service requirements and ambient temperature range. SpareTechPLC stocks this model and can advise on availability. Please verify current lifecycle status with SpareTechPLC before ordering.
Frequently Asked Questions
Q1: What is the maximum system pressure for the 107AL-N12-P1-F0A-X?
A: The maximum system pressure is 10 psig (.69 bar), and it is vacuum protected to 30” Hg.
Q2: Can this switch be used in outdoor environments?
A: Yes, the weathertight NEMA 4 housing made of 6063-T5 aluminum is suitable for outdoor use.
Q3: What is the contact form of the switching element?
A: The switch uses an SPDT (Single Pole Double Throw) contact form.
Q4: What materials contact the process media?
A: Wetted materials include Buna-N, brass, aluminum, cork, stainless steel, acrylic tubing, nylon, and plated cold-rolled steel.
Q5: How do I adjust the set point?
A: Use the external set point adjustment with the visual scale for fine resolution.
