74 Series - Overview
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Explosion Proof & Intrinsically Safe Proximity/Limit Switches
The 74 Series Proximity Switch (UNF threads) represents unmatched reliability and durability in industrial settings. Due to its robust construction without external moving parts, the 74 Series is a leverless limit switch that does not need springs or cams to wear out. As a result of its ability to sense ferrous materials up to 2.5mm away, this series can be used for a wide variety of applications.
Featuring SPDT form C contacts and a compact, one-piece 316 stainless steel housing, the switches operate within a temperature range of -50° to 105°C (-58° to 221°F) and are ideal for use in hazardous areas of Zone 0 or 1. The design includes standard 5/8″ – 18 or M18 mounting threads for versatile installation options.
The 74 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, CCCex & CCOE/PESO |
Designed for safety functions up to SIL2 or SIL3, ensuring safety and compliance in critical applications.
This switch is particularly effective in environments requiring high reliability and precision without the risk of mechanical failure.
74 Series Datasheets
Follow this link to the full list of 74 Series Datasheets
Product Subsections
Built for extreme heat environments, providing reliable, contactless detection in temperatures up to 105°C (221°F). Featuring a one-piece 316 stainless steel housing, these switches offer long-lasting durability without mechanical wear, making them ideal for demanding industrial applications.
Offers a rugged, maintenance-free solution for industrial applications where hazardous gases or dust are not a concern. With a leverless design, SPDT Form C contacts, and durable stainless steel housing, these switches ensure long-term reliability in standard operating environments.
Designed for explosive environments, providing flameproof protection for applications where hazardous gases, vapors, or dust may be present during normal operation. With a leverless, maintenance-free design, these switches ensure long-term safety and reliability.
Designed for intrinsically safe applications, ensuring non-sparking operation in Zone 0 and Zone 20 hazardous areas. With no moving parts and a durable stainless steel housing, these switches provide maximum safety and reliability in high-risk environments.
