The Pepperl+Fuchs S1SD-1AI-1U (Part No. 276396) is a 1-channel signal conditioner designed to provide galvanic isolation between field circuits and control circuits in industrial automation applications . As a transmitter power supply, it powers 2-wire and 3-wire transmitters as well as 2-wire current sources, delivering both current and voltage output signals for flexible system integration .
Housed in an ultra-slim 6.2 mm S1 housing, this module saves valuable control cabinet space while providing high accuracy of 0.1% . The device is easily configured via DIP switches and can be powered through terminals or the Power Bus system.
Item No :
S1SD-1AI-1UOrder(MOQ) :
1Payment :
EXWProduct Origin :
GermanyShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
0.2KGProducts Description
Pepperl+Fuchs S1SD-1AI-1U Transmitter Power Supply
1-Channel Signal Conditioner with Current and Voltage Output
| Model Number | S1SD-1AI-1U |
| Place of Origin | Germany |
| Dimension/Weight | 6.2 mm x 97 mm x 107 mm / 0.2 kg |
| Condition | new and original |
| Warranty | 1 year |
| Shipping term |
DHL Fedex TNT EMS UPS |
| Payment | TT / Western Union |
| Delivery Time | 3-5 days |
| Service |
24 Hours Online Service |
Galvanic Isolation: Provides reinforced insulation between field and control circuits (test voltage 3 kV, 50 Hz, 1 min), protecting against ground loops and electrical faults
Dual Output Signals: Delivers both 0/4...20 mA current output and 0/2...10 V voltage output simultaneously, offering maximum application flexibility
Versatile Input Compatibility: Accepts signals from 2-wire and 3-wire transmitters, as well as 2-wire current sources
High Accuracy: 0.1% full-scale accuracy ensures reliable signal transmission for precise measurements
Easy Configuration: Simple setup via DIP switches with no software required
Compact S1 Housing: Ultra-slim 6.2 mm width saves control cabinet space
Flexible Power Options: Can be powered via screw terminals or the Power Bus system
Hazardous Area Approvals: ATEX Zone 2, IECEx, and UL certifications for use in potentially explosive atmospheres
Wide Operating Temperature: -25°C to +70°C for harsh industrial environments
Long MTBF: 445 years according to SN 29500 at 40°C average ambient temperature
| Category | Specification |
|---|---|
| Manufacturer | Pepperl+Fuchs |
| Part Number | 276396 |
| Product Type | Transmitter Power Supply / Signal Conditioner |
| Number of Channels | 1 |
| Signal Type | Analog Input |
| Housing Type | S1 (6.2 mm width) |
| Parameter | Detail |
|---|---|
| Connection | Power Bus or terminals 1-, 2+ |
| Rated Voltage | 16.8 ... 31.2 V DC |
| Power Dissipation | 0.9 W |
| Power Consumption | 1.3 W |
| MTBF | 445 years (SN 29500, 40°C) |
| Parameter | Detail |
|---|---|
| Field Device Compatibility | 2-wire and 3-wire transmitters, 2-wire current sources |
| Connection | Terminals 5+, 6, 7- |
| Input Signal | 0/4 ... 20 mA |
| Input Resistance | 25 Ω |
| Open Circuit Voltage | ≤ 22 V |
| Short-Circuit Current | 30 mA |
| Available Voltage | 16 V at 20 mA |
| Linearity Range | -1 ... 110% |
| Parameter | Detail |
|---|---|
| Connection | Terminals 3-, 4+ |
| Analog Current Output | 0/4 ... 20 mA (load ≤ 600 Ω) |
| Analog Voltage Output | 0/2 ... 10 V (load ≥ 2 kΩ) |
| Ripple | ≤ 10 mVeff |
| Parameter | Detail |
|---|---|
| Accuracy | Max. 0.1% of full-scale value |
| Temperature Influence | < 100 ppm/K of full-scale value |
| Frequency Range | 0 ... 100 Hz |
| Rise Time / Fall Time | ≤ 3.5 ms |
| Parameter | Detail |
|---|---|
| Output/Power Supply | Reinforced insulation, rated 300 Veff, test 3 kV, 50 Hz, 1 min |
| Input/Other Circuits | Reinforced insulation, rated 300 Veff, test 3 kV, 50 Hz, 1 min |
| Standards | IEC/EN 61010-1 |
| Category | Specification |
|---|---|
| Ambient Temperature | -25 ... 70°C (-13 ... 158°F) |
| Storage Temperature | -40 ... 85°C (-40 ... 185°F) |
| Degree of Protection | IP20 |
| Damaging Gas | Designed for ISA-S71.04-1985, severity level G3 |
| Connection | Screw terminals |
| Core Cross-Section | 0.5 ... 2.5 mm² (20 ... 14 AWG) |
| Mass | Approx. 70 g |
| Dimensions (W x H x D) | 6.2 x 97 x 107 mm |
| Mounting | 35 mm DIN rail (EN 60715) |
| Certification | Rating |
|---|---|
| ATEX | II 3G Ex nA IIC T4 Gc |
| IECEx | Ex nA IIC T4 Gc |
| UL Approval | E106378 |
| Certificate | DEMKO 16 ATEX 1750X |
Standards Compliance: EN 60079-0:2012+A11:2013, EN 60079-15:2010
The S1SD-1AI-1U is ideal for a wide range of industrial automation applications:
| Industry | Application |
|---|---|
| Process Automation | Powering and isolating 4-20 mA transmitters for pressure, temperature, flow, and level monitoring |
| Oil & Gas | Hazardous area signal conditioning with ATEX/IECEx approvals |
| Chemical Processing | Connecting field transmitters to control systems with electrical isolation |
| Factory Automation | Signal conversion and isolation in control cabinets |
| Water & Wastewater | Monitoring pressure, flow, and level sensors |
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