Honeywell 103SR12A-2 HCS Magnetics in Sealed Position Sensing
The Honeywell 103SR12A-2 HCS Magnetics product is part of Honeywell’s 103SR Series Hall-effect position sensor family. These sensors are designed for non-contact magnetic detection and are packaged in sealed threaded housings for use in demanding environments. That makes them highly relevant in systems where long service life, repeatable switching, and environmental resilience are important priorities.
Technical Identity of Honeywell 103SR12A-2 HCS Magnetics
The official Honeywell 103SR Series overview describes these sensors as rugged, non-contact Hall-effect devices that respond to magnetic fields from permanent magnets or electromagnets. Public product listings identify the Honeywell 103SR12A-2 HCS Magnetics variant as a unipolar industrial Hall-effect sensor with 1 m cable and two hex nuts. The wider 103SR platform is also documented as supporting a 4.5 Vdc to 24 Vdc supply range, 20 mA current sinking capability, and operation across -40°C to 100°C for digital versions.
That specification profile suits industrial control logic well, especially where proximity to a magnet can be used to indicate machine position, closure state, or motion events.
Where Honeywell 103SR12A-2 HCS Magnetics Is Useful
The Honeywell 103SR12A-2 HCS Magnetics Hall-effect position sensor is relevant for door and lid sensing, limit position monitoring, conveyor and machinery status feedback, access detection, and other applications where a magnet can be mounted on the moving element. Because it is non-contact, it can help reduce wear and improve consistency compared with mechanical contact switches.
Its sealed threaded housing also supports industrial installation where contamination, moisture, or repeated washdown conditions may otherwise challenge open sensing solutions.
Why This Honeywell Hall-Effect Sensor Matters
When teams search for Honeywell 103SR12A-2 HCS Magnetics, they are usually looking for a stable magnetic position sensor rather than a general-purpose switch. That difference matters because Hall-effect sensors can provide more predictable life-cycle performance in repetitive motion systems.
For more information about Honeywell, review related magnetic sensing and industrial position detection products.
FAQ: Honeywell 103SR12A-2 HCS Magnetics
What is the Honeywell 103SR12A-2?
It is part of Honeywell’s 103SR Series and is identified in public listings as a unipolar Hall-effect position sensor in a sealed threaded housing.
What does unipolar mean in this sensor family?
In Honeywell’s 103SR documentation, unipolar operation means the sensor responds to one magnetic pole, typically the south pole, to operate and release correctly.
What voltage range is associated with the 103SR Series?
The digital 103SR Series is documented as accepting 4.5 Vdc to 24 Vdc, making it suitable for many industrial control systems and interface circuits.
Why is a sealed housing valuable?
A sealed threaded housing helps the sensor perform in demanding environments by supporting resistance to contaminants and practical industrial mounting.
What makes Honeywell 103SR12A-2 useful in machine design?
It provides non-contact magnetic position sensing with industrial installation features, which can help improve durability and reduce maintenance compared with mechanical alternatives.