Pepperl+Fuchs KCD2-SOT-Ex2 Switch Amplifier (214244)
The Pepperl+Fuchs KCD2-SOT-Ex2 is a 2-channel switch amplifier that transfers digital signals from NAMUR sensors or dry contacts in hazardous areas to a safe area. It features two independent passive transistor outputs and supports reversible mode of operation and line fault detection (LFD). With Power Rail compatibility and a compact 12.5 mm housing, it’s ideal for safety-critical industrial applications.
Technical Specifications
- Model: KCD2-SOT-Ex2
- Device Type: Intrinsically Safe Switch Amplifier
- Channels: 2
- Input Type: NAMUR sensor or dry contact
- Output Type: 2 passive transistor outputs
- Mounting: 35 mm DIN rail (EN 60715)
Input Specifications
- Input Terminals: 1+, 2- and 3+, 4-
- Standard: EN 60947-5-6 (NAMUR)
- Open Circuit Voltage: ~10 V DC
- Short-Circuit Current: ~8 mA
- Switching Point: 1.2 … 2.1 mA
- Hysteresis: ~0.2 mA
- Line Fault Detection: Break ≤ 0.1 mA / Short ≥ 6.5 mA
Output Specifications
- Output Terminals: 5, 6 and 7, 8
- Output Type: Passive transistor (signal)
- Rated Voltage: 30 V DC
- Rated Current: 50 mA
- Response Time: ≤ 200 µs
- Off-State Current: ≤ 10 µA
Power & Configuration
- Supply Voltage: 19 … 30 V DC
- Power Source: Power Rail or terminals 9+, 10-
- Power Dissipation: ≤ 800 mW
- Configuration: DIP switches
- Visual Indicators: Status LEDs (NAMUR NE44)
Galvanic Isolation
- Input/Output: Reinforced insulation (300 Veff)
- Input/Power Supply: Reinforced insulation (300 Veff)
- Output/Power Supply: Basic insulation (50 Veff)
- Output/Output: Basic insulation (50 Veff)
Environmental & Mechanical
- Operating Temperature: -20 … 60 °C (up to 70 °C with derating)
- Degree of Protection: IP20
- Connection: Screw terminals
- Dimensions: 12.5 x 119 x 114 mm (W x H x D)
- Weight: Approx. 100 g
Certifications & Safety
- Safety Integrity Level: SIL 2 (SC 3) acc. to IEC/EN 61508
- 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 ia Ma] I
- Ex ec IIC T4 Gc
- Certificates: BASEEFA 13 ATEX 0080, IECEx BAS 13.0046, IECEx CML 19.0147X
- Maximum Safe Voltage: Um = 253 V AC (Input & Output)
Key Features & Benefits
✅ Dual Independent Channels. Ideal for splitting or parallel sensor signal transmission.
✅ Line Fault Detection. Break and short detection in both input channels.
✅ Ultra-Slim 12.5 mm Width. Saves control cabinet space while offering dual channel performance.
✅ Simple Configuration. DIP switch setup and LED status indication.
✅ SIL 2 Certified. Safety approved for use in demanding hazardous environments.
📦 Buy Pepperl+Fuchs KCD2-SOT-Ex2 Online from Drive Outlet Megastore
Get superior digital signal transmission with the KCD2-SOT-Ex2 – compact, certified, and safety-rated for ATEX/IECEx zones. Perfect for dual-channel NAMUR sensor applications.
In stock now and available with 2–3 days delivery.


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