Quick verdict
When you're shopping for sensors, encoders and machine safety components, you can end up comparing two very different answers to the same question: how do I track motion and position? The SCHMERSAL BNS33-11ZG-2128 with Magnet Actuator is a protective device first-it costs USD 215.00 and is designed to act as a coded-magnet sensor for movable guards and articulated robot arms. The C0401196 Industrial Motion & Position Sensors costs USD 39.99 and works as a 10K Ohm resistive and optical sensing component. Choose the Schmersal when the job is safeguarding; choose the Honeywell when you need general position feedback on a tighter budget.
At a glance
| Feature | SCHMERSAL BNS33-11ZG-2128 | C0401196 |
|---|---|---|
| Price | USD 215.00 | USD 39.99 |
| Current type | DC | AC |
| Condition | New - Open box | New |
| Primary function | Magnetic sensor with actuator | 10K Ohm resistive & optical sensor |
Where each product wins
Pick the SCHMERSAL when the environment is tough: it is sealed to IP67 and rated at 10 amps at 24 VDC, with a magnetic sensing approach tied to a matched actuator. Pick the C0401196 when you want an app-controlled sensor with a blue and brass finish for a more general motion-monitoring role. The Schmersal is built around the idea of a protective interlock, while the Honeywell is aimed at straightforward position feedback.
Product notes
SCHMERSAL BNS33-11ZG-2128 with Magnet Actuator
The BNS33-11ZG-2128 earns its place with a matched magnetic field array: reed switches are wired in series and only close when the correct field is present, which makes it suitable for safety interlock duty instead of a plain proximity sensor. Add the 1NO/1NC contact arrangement, M8 4-pin connector, thermoplastic enclosure and IP67 sealing, and you have a unit built for demanding machine-guard environments. The trade-off to weigh is the condition: the unit is New - Open box, so it does not arrive as a sealed new part. It is also a DC component, so it belongs in a 24 VDC circuit rather than an AC control loop.
C0401196 Industrial Motion & Position Sensors
For general motion and position feedback, the C0401196 brings two sensing concepts together in one unit: 10K Ohm resistive and optical. That dual approach, paired with a coil voltage range of 1-10 V and a current rating of less than 1 A, makes it a lighter-duty option that should fit into a modest control budget. The blue body and brass finish are easy to identify on a crowded panel, and the app-controlled feature set gives you a way to interact with it beyond a hardwired readout. The important limitation is scope: this is a position sensor, not a protective device. It lacks the matched actuator and series-wired reed switches that the Schmersal uses to guard moving machine parts, so treat it as a feedback component, not a replacement for an interlock switch.
Final choice by use case
If you need a safety interlock for a movable machine guard or an articulated robot arm, go with the SCHMERSAL BNS33-11ZG-2128. If you need a general motion or position feedback sensor for everyday monitoring, the C0401196 is the option that matches that job. Start by deciding whether the task is safety or sensing; the product choice follows from there.
