Prox Switch

74 Series

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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

71 Series

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The 71 Series Proximity Switch features magnetic technology that senses ferrous materials up to 2.5mm in thickness, allowing them to be adapted to diverse applications. The switches come in SPCO/SPDT or DPCO/DPDT contact forms to accommodate a variety of circuit configurations.

This series is hardwired, with a stainless steel construction capable of withstanding harsh environmental conditions without compromising signal integrity or functionality.

The 71 Series is covered by the following hazardous area certifications.

Explosion Proof: Zone 1, IECEx & ATEX Exd (Zone 1 & Zone 21), UL/CSA (Class I, Div1)
Intrinsically Safe: Zone 0, IECEx & ATEX Exia (Zone 0 & Zone 20), UL/CSA (Zone 0)
Other Regional Approvals Include: INMETRO, KOSHA, CCCEx CNEx CCOE/PESO

These switches are also engineered for safety-critical functions up to SIL2 or SIL3.

Designed for reliability, the 71 Series provides precise position feedback and is immune to RFI, ensuring flawless operation in complex applications, such as industrial automation and safety systems.

71 Series Datasheets

Follow this link to the full list of 71 Series Datasheets

72 Series

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The 72 Series Proximity Switch (UNF threads), known for its compact form factor with the smallest diameter of any round leverless limit switch (3/8”), is designed for accuracy and versatility.

For factory automation applications where space and reliability are at a premium, this series detects ferrous materials like carbon steel up to 2.5mm away. It comes with volt-free SPCO/SPDT contact arrangements and is already hardwired.

Designed to perform in demanding conditions, the 72 Series operates within a temperature range of -50° to 105°C (-58° to 221°F) and includes robust 316 stainless steel housing. It supports versatile mounting options providing easy integration into diverse setups.

The 72 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 & PESO

Rated for SIL2 or SIL3 safety functions, these switches meet strict international standards for safety and reliability in hazardous areas.

This proximity switch is engineered to adapt to the demanding requirements of a wide range of industries, ensuring reliable performance even in the most challenging environments.

72 Series Datasheets

Follow this link to the full list of 72 Series Datasheets

77 Series

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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

75 Series

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The 75 Series Proximity Switch (UNF threads) is engineered for enhanced performance in extreme conditions, and can detect ferrous materials such as carbon steel up to 2.5mm away. The SPCO/SPDT contact forms in this series are volt-free, which makes it suitable for various industrial applications.

Hardwired, the 75 Series allows easy installation in confined spaces. With a 316L stainless steel housing, these switches are durable enough to withstand temperatures up to 204°C (400°F) and pressures up to 10,000 PSI (690 bar), making them suitable for high-pressure and corrosive environments.

The 75 Series is covered by the following hazardous area certifications.

Explosion Proof: Zone 1, IECEx & ATEX Exd (Zone 1 & Zone 21) ¦ UL/CSA (Class I, Div1)
Intrinsically Safe: Zone 0, IECEx & ATEX Exia (Zone 0 & Zone 20) ¦ UL/CSA (Zone 0)
Other Regional Approvals Include: INMETRO, KOSHA, CCOE/PESO & CCCex

These switches are rated for safety functions up to SIL2 or SIL3, ensuring reliable and secure operations under strict safety standards, suitable for a variety of critical industrial applications.

75 Series Datasheets

Follow this link to the full list of 75 Series Datasheets

73 Series

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The 73 Series Proximity Switches (UNF threads) provide high reliability and versatility in a wide range of applications due to their innovative magnetic technology, which can detect ferrous materials up to 2.5mm away from the switch. The volt-free SPCO/SPDT contact forms in this series allow them to be integrated into various systems.

The 73 Series switches are available in hardwired versions or with wireable options, featuring an integrated junction box/connection head design that simplifies installation in space-constrained environments. Designed with a durable 316L stainless steel housing, these switches operate effectively within a temperature range of -50° to 105°C (-58° to 221°F), ensuring performance in extreme conditions.

The 73 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, CCCEx & PESO

Suitable for safety functions up to SIL2 or SIL3, these switches provide reliable and secure operations under rigorous safety standards.

This design ensures that the 73 Series meets stringent global certification requirements while offering reliable and durable solutions for safety-critical applications in various industries.

73 Series Datasheets

Follow this link to the full list of 73 Series Datasheets

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