Phoenix Contact MCR-VDC-UI-B-DC Order No. 2811118 Voltage measuring transducers
Product Overview
The Phoenix Contact MCR-VDC-UI-B-DC (Order No. 2811118) is a high-precision, DIN-rail-mounted voltage transducer that converts any DC voltage from 0…(±)20 V up to 0…(±)660 V into a fully isolated, industry-standard ±10 V or ±20 mA signal. With 3-way electrical isolation (input–output–supply), it guarantees safe, drift-free data acquisition for SCADA, PLC and test-bench systems.
Key Features & Benefits
• Wide Input Span – Nine switch-selectable ranges: ±20 V … ±660 V DC in one device.
• Dual Output – User-selectable ±10 V or ±20 mA, 0.1 % accuracy.
• True 3-Port Isolation – 1.5 kV test voltage eliminates ground loops and noise.
• Tool-Free Calibration – Front-face ±20 % zero/span trim-pots; no laptop required.
• Space-Saving – 22.5 mm width on DIN-rail; snap-on housing.
• Harsh Environment – –25 °C … +50 °C operation, IP20, UL & CE listed.
Technical Data
• Order No.: 2811118
• Input: 0…(±)20 V … 0…(±)660 V DC (jumper selectable)
• Input Resistance: 120 kΩ – 550 kΩ (range dependent)
• Output: ±10 V (max. 20 mA load) or ±20 mA (max. 500 Ω load)
• Supply: 18.5…30.2 V DC (<50 mA consumption)
• Response Time: < 12 ms (10-90 %)
• Isolation: 1.5 kV AC, 1 min
• Connections: Screw terminals 0.2–2.5 mm² (AWG 24–14)
• Dimensions: 99 × 22.5 × 114.5 mm (H×W×D)
• Approvals: CE, UL, cULus, EAC, RoHS
Typical Applications
• Solar-string voltage monitoring in PV combiner boxes
• Battery-bank management for UPS and e-mobility chargers
• DC-bus measurement in variable-speed drives
• Laboratory and test-stand data logging
Product Images
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Phoenix Contact MCR-VDC-UI-B-DC 2811118 Voltage Measuring Transducers DIN Rail Mounted High Precision Images
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