Pepperl + Fuchs S1SL-2AI-2C S1SD-1AI-1U.3 Passive Isolator Modules in Stock

The Pepperl+Fuchs S1SL-2AI-2C is a 2-channel passive isolator for analog current signals in industrial automation. It is loop-powered and transfers 0/4 ... 20 mA signals from the field side to the control side with galvanic isolation. With 0.1% accuracy, 6.2 mm ultra-slim housing, and ATEX/IECEx Zone 2 certification, this device provides a reliable, space-saving solution for isolating current signals in applications where an external power supply is unavailable or undesirable.

  • Item No :

    S1SD-1AI-1U.3
  • Order(MOQ) :

    1 Piece
  • Payment :

    EXW
  • Product Origin :

    Germany
  • Shipping Port :

    Wuhan
  • Lead Time :

    3-5days
  • Weight :

    2KG
  • 92Product Details

     
     
    Attribute Specification
    Manufacturer Pepperl+Fuchs
    Product Type Passive Isolator / 2-Channel Signal Conditioner
    Number of Channels 2
    Input Signal 0/4 ... 20 mA (max. 50 mA) from field side
    Output Signal 0/4 ... 20 mA, load ≤ 600 Ω
    Supply Voltage 2.2 ... 30 V DC, loop-powered (no external power needed)
    Voltage Drop ≤ 2.3 V
    Accuracy max. 0.1% of full-scale value
    Load Influence 0.05% of measured value per 100 Ω
    Temperature Influence < 100 ppm/K of full-scale value
    Frequency Range 0 ... 100 Hz
    Rise/Fall Time ≤ 3.5 ms
    Galvanic Isolation Reinforced insulation, 300 Veff rated, 3 kV test voltage
    Operating Temperature -25 ... 70 °C (-13 ... 158 °F)
    MTBF 1508 years acc. to SN 29500
    Dimensions (W x H x D) 6.2 x 97 x 107 mm (0.24 x 3.82 x 4.21 in), housing type S1
    Connection Screw terminals, 0.5 ... 2.5 mm² (20 ... 14 AWG)
    Hazardous Area Approvals ATEX, IECEx (Zone 2, Ex nA IIC T4 Gc), UL

    Recommended Related Models

    The S1SL-2AI-2C is part of Pepperl+Fuchs' S1 series of slim 6 mm modules. Below are related models within the same product family with similar applications.

     
     
    Model / Part Number Product Type Application / Notes
    S1SL-2AI-2C Passive Isolator, 2-channel Target model; loop-powered, 20 mA input/output, 6 mm housing
    S1SL-1AI-1C Passive Isolator, 1-channel Single-channel version; same loop-powered, 20 mA signal with 0.1% accuracy
    S1SD-1AI-1U Isolation Amplifier Active isolator requiring 24 V DC power; provides voltage (10 V) and current (20 mA) output
    S1SD-1AI-2U Isolated Amplifier/Splitter 24 V powered; provides signal splitting capability for redundant systems

    Payment & Delivery

    FAQs

    Q1: What does "passive" mean for this isolator, and do I need an external power supply?
    "Passive" means the device is loop-powered. It draws its power directly from the current loop (2.2 ... 30 V DC), so no additional 24 V DC power supply is required for the module itself.

    Q2: What is the maximum load that the output can drive?
    The analog current output (0/4 ... 20 mA) can drive a load (burden) of up to 600 Ω.

    Q3: What types of signals can this isolator process?
    It is designed specifically for standard analog current signals in the 0/4 ... 20 mA range from the field side. It cannot process voltage signals or temperature sensor inputs directly.

    Q4: How much space does this module require on a DIN rail?
    The module has an ultra-slim width of just 6.2 mm, making it highly space-efficient in control cabinets. It mounts on standard 35 mm DIN rails.

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