77 Series - Overview
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Explosion Proof & Intrinsically Safe Proximity/Limit Switches
The 77 Series Proximity Switch (UNF threads) builds on the strong foundation of models 73 and 74, offering all their robust features with increased length to handle a broader range of applications.
With 316 stainless steel housing, this series is suited for precision sensing in hazardous areas, capable of withstanding extreme conditions. It can be operated at temperatures up to 204°C (400°F), at pressures up to 10,000 PSI (690 bar), and in high-pressure and corrosive environments. Due to its quick disconnect connectors and subsea capabilities, it can be used in Zones 0 or 1 and Division 1 or 2 hazardous environments with reliable performance.
The 77 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) |
| Other Regional Approvals Include: | INMETRO, KOSHA, CCOE/PESO & CCCex |
Designed for safety functions up to SIL2 or SIL3, the 77 Series meets the highest standards for safety and reliability in industrial settings.
77 Series components are ideally suited to applications requiring long reach and outstanding durability.
77 Series Datasheets
Follow this link to the full list of 77 Series Datasheets
