21 Series - Overview
Certifications Available
Enquiry Form
Explosion Proof & Intrinsically Safe Proximity/Limit Switches
The 21 Series Proximity Switch features a compact and robust stainless steel design, built to withstand harsh environmental conditions such as moisture, salt, and corrosion. In a smaller package, it offers the same high reliability and functionality as larger models, so it is ideal for spaces where size and efficiency are important.
With heavy-duty contacts for added durability, this switch operates without power, eliminating current leaks or voltage drops. It functions smoothly in both AC/DC and NO/NC setups without consuming power.
In addition to its unique capability, it is the only explosion-proof proximity switch in the world with a 10-amp rating.
The 21 Series is covered by the following hazardous area certifications.
| Explosion Proof: | Zone 1, IECEx & ATEX Exd (Zone 1 & Zone 21) | UL/CSA (Class I, Div 1) |
| Intrinsically Safe: | Zone 0, IECEx & ATEX Exia (Zone 0 & Zone 20) | UL/CSA (Zone 0) |
Designed for safety functions up to SIL2 or SIL3, ensuring optimal safety and compliance in hazardous areas.
Designed for environments that require high reliability and precision without mechanical failure, this proximity switch ensures performance and safety in critical environments.
21 Series Datasheets
Follow this link to the full list of 21 Series Datasheets
