Pepperl Fuchs KCD2-STC-Ex1.ES Transmitter Power Supply (322426)
P&F KCD2-STC-Ex1.ES is a 1-channel SMART transmitter power supply offering selectable current or voltage output and line fault detection. Designed for intrinsically safe applications, it powers 2-wire transmitters in hazardous areas and isolates the analog signal into the safe zone. With DIP-switch selectable sink/source modes, HART compatibility, and SIL 3 certification, this barrier is ideal for critical analog signal loops.
Technical Specifications
- Model: KCD2-STC-Ex1.ES
- Function: SMART Transmitter Power Supply
- Channels: 1
- Input Signal: 4 … 20 mA (limited to 27 mA)
- Output Signal: 4 … 20 mA (sink/source) or 1 … 5 V
- Power Supply: 19 … 30 V DC (via Power Rail or terminals)
- Signal Direction: Field to control side
- Mounting: 35 mm DIN rail (EN 60715)
- Connection Type: Screw terminals with HART test sockets
Electrical Features
- Isolation: 3-way isolation between input/output/power
- Operating Modes: Source, sink, or voltage via DIP switch
- Signal Type: Analog (4–20 mA or 1–5 V) with HART support
- Line Fault Detection: Upscaling ≥ 22 mA, downscaling ≤ 3 mA
- Fault Output: Open collector bus signal
- Ripple: 20 mV rms
- Transfer Accuracy: ≤ 20 µA / ≤ 10 mV at 20 °C
- Load Resistance: 0 … 300 Ω (source mode)
- Frequency Range: 0 … 3 kHz (bi-directional)
- Settling Time: ≤ 200 ms
- Rise/Fall Time: ≤ 20 ms
Environmental Conditions
- Temperature Range: -20 … 70 °C
- Protection: IP20
- Weight: Approx. 100 g
- Housing Type: A2 (12.5 x 119 x 114 mm)
- Approvals: ATEX, IECEx, UL, FM
Hazardous Area Compliance
- Zone Classification: Zone 0, 1, 2 / Div. 1, 2
- ATEX Marking: II (1) G [Ex ia Ga] IIC / II (1) D [Ex ia Da] IIIC / I (M1) [Ex ia Ma] I
- IECEx Marking: [Ex ia Ga] IIC, [Ex ia Da] IIIC, Ex ec IIC T4 Gc
- SIL Rating: SIL 3 compliant (SC 3, IEC/EN 61508)
Key Features & Benefits
✅ SIL 3 Safety: Certified for high-integrity safety loops.
✅ Fault Detection: Line errors indicated via LED and fault bus.
✅ Multi-Mode Output: Current source, sink, or voltage.
✅ Diagnostic Access: Integrated HART test points.
✅ Ultra-Slim Design: 12.5 mm width for compact panels.
📦 Buy Pepperl+Fuchs KCD2-STC-Ex1.ES from Drive Outlet Megastore
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SIL 3 rated transmitter barrier with fault detection and flexible signal output — engineered for critical safety applications in Ex zones.
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