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SPEEDAIRE Reed Switch:, N/O SPST, NEMA 4, For 3-1/4 to 6 in Bore Dia, 5-240V AC/DC - Reed Switch Pneumatic Position Sensors
SPEEDAIREReed Switch Pneumatic Position Sensors

SPEEDAIRE Reed Switch:, N/O SPST, NEMA 4, For 3-1/4 to 6 in Bore Dia, 5-240V AC/DC

The SPEEDAIRE is a reed switch pneumatic position sensor with a normally open (N/O) single-pole single-throw (SPST) contact configuration. It is rated for 1 A maximum current and operates on 5-240V AC/DC supply…

SKU 3G-OTH-155339

Brand
SPEEDAIRE
Item
Reed Switch:, N/O SPST, NEMA 4, For 3-1/4 to 6 in Bore Dia, 5-240V AC/DC
Category
Reed Switch Pneumatic Position Sensors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SPEEDAIRE
Type
N/O SPST, NEMA 4, For 3-1/4 to 6 in Bore Dia
AC/DC
5-240V
Wires
2

Technical Documents

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SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE is a reed switch pneumatic position sensor with a normally open (N/O) single-pole single-throw (SPST) contact configuration. It is rated for 1 A maximum current and operates on 5-240V AC/DC supply, featuring a NEMA 4 enclosure and compatibility with 3-1/4 to 6 inch bore diameters. This two-wire sensor provides reliable position sensing for pneumatic actuators.

Frequently Asked Questions

What is the SPEEDAIRE 3G-OTH-155339 reed switch used for?

The SPEEDAIRE 3G-OTH-155339 reed switch is used for pneumatic position sensing on actuators with bore diameters from 3-1/4 to 6 inches. It detects cylinder piston position and sends a signal to a controller, commonly applied in industrial automation, packaging, and material handling systems.

What are the specifications of the SPEEDAIRE 3G-OTH-155339 reed switch?

The SPEEDAIRE 3G-OTH-155339 is a N/O SPST reed switch rated for 1 A max current and 5-240V AC/DC supply. It has a NEMA 4 enclosure, two wires, and fits pneumatic actuators with 3-1/4 to 6 inch bore diameters. The manufacturer part number is 3G-OTH-155339.

Where to buy the SPEEDAIRE 3G-OTH-155339 reed switch worldwide?

You can source the SPEEDAIRE 3G-OTH-155339 reed switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the SPEEDAIRE 3G-OTH-155339 reed switch on a pneumatic cylinder?

Mount the SPEEDAIRE 3G-OTH-155339 reed switch on the cylinder's external groove or using a compatible bracket, aligning it with the piston magnet. Connect the two wires to a 5-240V AC/DC control circuit. Ensure the NEMA 4 enclosure is sealed to maintain protection against dust and water.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE reed switch pneumatic position sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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