SOR 107AL-N12-P1-F0A-X Low Differential Pressure Switch Overview

The SOR 107AL-N12-P1-F0A-X is a low differential pressure switch for HVAC and industrial applications. This weathertight instrument features NEMA 4 rated enclosure for reliable field use. The SOR 107AL-N12-P1-F0A-X uses a large sensing area diaphragm for accurate low pressure readings. External set point adjustment with visual scale allows simplified calibration. Fine set point resolution and narrow dead band ensure precise control. High repeatability makes this switch suitable for critical monitoring applications. The SOR 107AL-N12-P1-F0A-X is suitable for draft ranges in HVAC systems and burner management.

Technical Specifications

General Specifications

• Manufacturer: SOR Controls Group.

• Product No.: 107AL-N12-P1-F0A-X.

• Product Type: 107 Low Differential Pressure Switches.

• Contact Form: SPDT (Single Pole Double Throw).

Key Features

• External set point adjustment with visual scale

• Fine set point resolution

• Narrow dead band

• High repeatability

• UL Listed and CSA Certified snap-action switching elements

• Screw terminals standard on weathertight switches

• Rugged design

Electrical Housing

• Type: Weathertight NEMA 4.

• Material: 6063-T5 aluminum.

Pressure Ports

• Material: Plated cold-rolled steel.

• Connection Size: 1/8" NPT (F).

• Note: For 1/4" NPT (F), change F0A to F1A in selected model.

Wetted Materials

• Buna-N

• Brass

• Aluminum

• Cork

• Stainless steel

• Acrylic tubing

• Nylon

• Plated cold-rolled steel

Electrical Connection

• Type: 3/4" NPT (F) with screw terminals.

Electrical Service

• Contact Ratings: 5 amps at 250 V AC.

• Note: DC electrical ratings are for resistive loads only. They may not be agency approved but verified by testing.

Temperature Limits

• Ambient Temperature: -40°F to 150°F (-40°C to 65°C).

• Process Temperature: -40°F to 150°F (-40°C to 65°C).

Pressure Limits

• Maximum System Pressure: 10 psig (0.69 bar).

• Vacuum Protection: Protected to 30" Hg.

Physical Specifications

• Weight: Approximately 5 lb (2.3 kg).

• Gross Weight: 2.8 kg (with packaging).

Applications

The SOR 107AL-N12-P1-F0A-X is suitable for draft ranges in HVAC applications. It works well with burner management systems and industrial air services. The switch is compatible with gas services that match wetted materials.

Installation Guide

Follow these steps to install the SOR 107AL-N12-P1-F0A-X correctly:

1. Isolate the process pressure completely before starting installation.

2. Mount the switch vertically on a stable surface.

3. Connect pressure lines to the 1/8" NPT (F) pressure ports.

4. Apply thread sealant to prevent leakage at connections.

5. Wire the SPDT switching element to screw terminals inside housing.

6. Use the 3/4" NPT (F) conduit connection for electrical entry.

7. Adjust the set point using the external visual scale.

8. Test the SOR 107AL-N12-P1-F0A-X with known differential pressure values.

Packaging List

• SOR 107AL-N12-P1-F0A-X low differential pressure switch (1 unit)

• Screw terminal set (pre-installed)

• Installation and calibration manual (1 copy)

• Product label with model number

• Thread sealant tape (1 roll)

Frequently Asked Questions (FAQ)

1. What is the enclosure rating of the SOR 107AL-N12-P1-F0A-X?
The SOR 107AL-N12-P1-F0A-X has a weathertight NEMA 4 enclosure with 6063-T5 aluminum housing.

2. What type of switching element does this pressure switch use?
This switch features a UL Listed and CSA Certified SPDT snap-action switching element.

3. Can I adjust the set point without special tools?
Yes, the SOR 107AL-N12-P1-F0A-X has external set point adjustment with a visual scale.

4. What is the maximum system pressure for this device?
The maximum system pressure is 10 psig (0.69 bar) with vacuum protection to 30" Hg.

5. What electrical connection type does this switch have?
The SOR 107AL-N12-P1-F0A-X has a 3/4" NPT (F) connection with convenient screw terminals.