
The AirTAC Airtac DMSH Electronic Sensor DMSH-N030-W is a genuine DMS magnetic position switch. It senses the magnet ring in a pneumatic cylinder's piston and signals when the piston reaches that point, giving a npn 3-wire output on 5-30 V DC with a 3 m flying lead. It only works on a cylinder that carries a piston magnet.
DMSH-N030-W is an electronic NPN 3-wire position switch for magnet-equipped AirTAC cylinders. The solid-state output sinks into a PLC or controller input and, having no mechanical contact, never bounces. Supply is 5-30 V DC through a 3 m flying lead, and the standard build carries IP64 protection.
The trailing -W is a factory variant that our data does not decode; send us the model and we will confirm exactly what it adds from the datasheet. Until then the switch keeps its IP64 rating. Note too that the H in the code sets the groove fit, so match it to your cylinder series before you buy.
| Model | Airtac DMSH Electronic Sensor DMSH-N030-W |
|---|---|
| Family | DMS — Electronic cylinder switch |
| Technology | Electronic (solid-state) |
| Output | NPN 3-wire |
| Outputs in this family | 2-wire, NPN 3-wire or PNP 3-wire |
| Lead / connector | 3 m flying lead |
| Supply voltage | 5-30 V DC |
|---|---|
| Protection rating | IP64 |
| Version | W - factory special code, confirm from datasheet |
| Profile letter | H (cylinder-groove fit) |
| Profiles in this family | E, G, H, J |
| Detects | Piston magnet ring inside the cylinder |
2-wire versions run 10-28 V DC; NPN / PNP 3-wire versions run 5-30 V DC. IP64 as standard. Order the RW version where coolant, washdown or constant cable flexing is present. Switching distance, response time, current rating, voltage drop, LED behaviour, contact life, weight and dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| DMS | Electronic cylinder switch — electronic (solid-state). |
|---|---|
| H | Profile letter: the mounting / groove type that fits a particular cylinder body. This family offers E, G, H, J. It is a fit code, not a performance grade. |
| N | Output: NPN 3-wire. Blank is 2-wire, N is NPN 3-wire, P is PNP 3-wire. |
| 030 | 3 m flying lead. 020 / 030 / 050 / 100 are 2 / 3 / 5 / 10 m flying leads; M08 and M12 are M8 / M12 connector versions. |
| W | W - factory special code, confirm from datasheet. |
We do not hold the full profile-to-cylinder-series table, so confirm the profile letter against your cylinder model before ordering — send us the cylinder part number and we will check the fit.
The split is electrical, not quality. Solid-state DMS and EMS are DC-only and suit modern PLC inputs; the reed-based CMS switches a much wider window, so it is the one for AC circuits, relay logic and older panels. The RW (IP68) option exists on DMS and EMS only.
| This switch | DMSH · NPN 3-wire · 5-30 V DC |
|---|---|
| Consider EMS | the mini 2-wire electronic switch for tight installations |
| Consider CMS | the reed alternative for AC circuits and voltages up to 240 V |
| Mounting parts | F-MQ (round body), F-ACT (tie-rod) |
On an assembly cell's indexing dial, the switch sits in the groove of the clamp cylinder and tells the controller the part is locked before the station starts.
With 3 m of lead and a solid-state body, the unit suits short, tidy cable routes inside machine frames where a bulky connector would not fit.
A scissor lift uses the NPN signal from its extend cylinder as an interlock, so the platform can only travel once the lift stroke is complete.
Where the circuit is DC-only and cycles quickly, a solid-state DMS outlasts a reed switch, which is better left to AC or mixed-voltage panels. The 3-wire NPN arrangement sinks into the PLC input for a clean logic signal; PNP models source instead, so match your input card type. With 3 m of flying lead you can trim to length; pick a connector version when service access matters. This general type is IP64 - for washdown or moving cable tracks ask for the -RW variant. The profile letter must seat correctly in the cylinder groove, and the cylinder needs the magnet option to produce any signal.
Quick checklist
Use the F-MQ bracket on round-body cylinders and F-ACT on tie-rod cylinders where there is no groove to seat the switch. Both are ordered separately from the switch. Switching distance and mounting dimensions come from the factory datasheet — ask us for the sheet that matches your cylinder.
It is an electronic solid-state switch with an NPN 3-wire output, running from 5-30 V DC on a 3 m flying lead and sealed to IP64. The -W suffix is a factory variant we confirm from the datasheet on request; it does not change these base figures.
Our catalogue documents -RW as the waterproof, oil-resistant, flex-resistant IP68 build, but -W on its own is not defined in that data. We treat it as a factory special: send the model to us and we will verify exactly what it adds before you order.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, your cylinder model (so we can confirm the profile fit) and the destination. We confirm price, availability and lead time — usually within 7-8 hours.