Pepperl+Fuchs SJ2-S1N

Inductive slot sensor
SKU: SJ2-S1N
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The inductive slot sensor is designed for non-contact detection of metal objects, providing reliable performance in various industrial applications. Its robust construction and versatility make it suitable for integration into automated systems, ensuring efficient operation.

All description
Manufacturer: Pepperl+Fuchs
Description:

The inductive slot sensor family consists of sensors that utilize electromagnetic fields to detect the presence of metallic objects without physical contact. These sensors are particularly beneficial in environments where traditional switches may fail due to wear or contamination. They are commonly used in applications such as packaging machinery, assembly lines, and material handling systems.

Constructed from durable PBT housing, these sensors offer resilience against harsh conditions, while their flexible lead connections allow for easy installation and integration into existing systems. The two-wire output configuration enables straightforward wiring, and their compatibility with DC voltage makes them suitable for a wide range of applications. Additionally, these sensors are certified for use in ATEX Zone 3, making them ideal for environments where explosive gases may be present.

General specifications
Switching element function NAMUR, NO
Slot width 2 mm
Depth of immersion (lateral) 5 … 7 typ. 6 mm
Installation
Output polarity Safety Function
Safety Integrity Level (SIL) up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the exida Functional Safety Assessment document which is available on www.PEPPERL+FUCHS.com as an integral part of this product’s documentation.
Nominal ratings
Installation conditions
O 0 mm
P 5 mm
Nominal voltage 8 V
Switching frequency 0 … 5000 Hz
Hysteresis with NAMUR switch amplifier: 0.09 mm (e. g. Pepperl+Fuchs KCD2-SR-Ex1.LB)
with safety switch amplifier 0.05 mm (e. g. Pepperl+Fuchs KFD2-SH-Ex1)
Suitable for 2:1 technology yes , with reverse polarity protection diode
Rate of current rise 2.3 mA / mm
Current consumption
Measuring plate not detected less than or equal to 1 mA
Measuring plate detected greater or equal 3 mA
Constant magnetic field 50 mT
Alternating magnetic field 80 mT
Functional safety related parameters
MTTFd 7628 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Approvals and certificates
FM approval
Control drawing 116-0165F
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated less than or equal to 36 V
Ambient conditions
Ambient temperature -25 … 100 �C (-13 … 212 �F)
Mechanical specifications
Connection type flexible leads LIFYW , 500 mm
Core cross-section 0.06 mm2
Housing material PBT
Degree of protection IP67
Note only for non-ferrous metal
Adjustable stop
General information
Use in the hazardous area see instruction manuals
Category 1G- 2G- 3G- 1D
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