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Pepperl + Fuchs
SJ3,5-N
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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | SJ3,5-N |
| Alternative Part Number | SJ35N |
| Manufacturer | Pepperl + Fuchs |
| Switching Function | Normally closed (NC) |
| Output Type | NAMUR |
| Slot Width | 3.5 mm |
| Depth of Immersion (Lateral) | 5 ... 7 mm, typically 6 mm |
| Output Type | 2-wire |
| Nominal Voltage (Uo) | 8.2 V (with internal resistance approximately 1 kΩ) |
| Operating Voltage (UB) | 5 ... 25 V |
| Switching Frequency (f) | 0 ... 3000 Hz |
| Hysteresis (H) | 0.41 ... 0.6 mm |
| Suitable for 2:1 Technology | Yes, reverse polarity protection diode not required |
| Current Consumption | ≥ 3 mA (measuring plate not detected at nominal voltage), ≤ 1 mA (measuring plate detected) |
| Safety Integrity Level (SIL) | SIL 2 |
| MTTFd | 8415 years |
| Mission Time (TM) | 20 years |
| Diagnostic Coverage (DC) | 0% |
| Ambient Temperature | -25 ... 100 °C (-13 ... 212 °F) |
| Connection Type | Flexible leads LIY, 500 mm |
| Core Cross-Section | 0.14 mm² |
| Housing Material | PBT/PPS |
| Protection Degree | IP67 |
| Compliance with Standards | NAMUR EN 60947-5-6:2000, IEC 60947-5-6:1999, EN 60947-5-2:2007, IEC 60947-5-2:2007 |
| Approvals and Certificates | IECEx, ATEX, UL, CSA, CCC, NEPSI, Marine Approval, FM Approval |
The Pepperl + Fuchs SJ3,5-N inductive slot sensor is a high-precision device designed to offer reliable detection and monitoring for a wide range of industrial applications. With a slot width of 3.5 mm and a typical immersion depth of 6 mm, this sensor is adept at ensuring accurate operation in environments where precise positioning is crucial.
Crafted with a robust PBT housing, the SJ3,5-N is rated with an IP67 protection degree, making it suitable for use in demanding conditions where dust and moisture resistance is essential. The sensor operates within an ambient temperature range of -25 to 100 °C, ensuring consistent performance even in extreme temperature variations.
This sensor features a NAMUR output type and is compatible with 2-wire connection systems, offering a nominal voltage of 8.2 V. It is designed to work within an operating voltage range of 5 to 25 V and can handle switching frequencies up to 3000 Hz. The hysteresis of 0.41 to 0.6 mm provides stable detection and reduces the risk of false triggering.
The SJ3,5-N is also suitable for use up to SIL2 according to IEC 61508, indicating a high level of reliability and safety for functional safety applications. Its design takes into account the need for low current consumption, with a typical current draw of ≥ 3 mA when the measuring plate is not detected and ≤ 1 mA when detected.
This inductive slot sensor is compliant with several international standards, including NAMUR EN 60947-5-6 and IEC 60947-5-6, ensuring its suitability for global industrial markets. It is a versatile component that can be integrated into various control systems, making it an essential part of automation solutions where precision detection is paramount.
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Frequently Asked Questions
What is the slot width of the inductive slot sensor?
The slot width of the inductive slot sensor is 3.5 mm, which is designed for precise detection tasks.
Can this sensor be used in safety-related applications?
Yes, the sensor is usable up to SIL2 according to IEC 61508, making it suitable for applications requiring a certain level of functional safety.
What type of output does the sensor provide?
The sensor provides a NAMUR output type, which is a type of two-wire sensor that operates with a nominal voltage of 8.2 V.
What is the ambient temperature range in which the sensor can operate?
The sensor can operate within an ambient temperature range of -25 to 100 °C, accommodating a wide range of environmental conditions.
What is the degree of protection provided by the sensor's housing?
The sensor's housing is rated at IP67, offering protection against dust and temporary immersion in water.
What is the typical depth of immersion for the sensor?
The typical depth of immersion for the sensor is between 5 to 7 mm, with a typical value of 6 mm.
What are the functional safety parameters related to the sensor?
The sensor has a Mean Time To Failure (MTTFd) of 8415 years and a Diagnostic Coverage (DC) of 0%, which are important parameters for assessing its reliability in safety functions.
What type of connection does the sensor use?
The sensor uses flexible leads with a core cross-section of 0.14 mm² for its connection, providing ease of installation.
Is the sensor suitable for use in hazardous areas?
Yes, the sensor has approvals for use in hazardous areas, including ATEX, IECEx, and others, making it suitable for a variety of industrial environments.
What materials are used in the construction of the sensor?
The sensor is constructed with a housing material of PBT/PPS, ensuring durability and resistance to various industrial conditions.
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