CEV1800IMR50
The CEV-1800-IMR50 is a high-performance, galvanically isolated voltage transducer designed for precise measurement of DC, AC, and pulsed voltages in demanding railway and industrial environments.

Product Overview
The CEV-1800-IMR50 is a high-performance, galvanically isolated voltage transducer designed for precise measurement of DC, AC, and pulsed voltages in demanding railway and industrial environments. The sensor operates on a closed-loop compensated measurement principle and provides a proportional current output (50 mA nominal), ensuring excellent noise immunity, fast response, and stable performance under harsh electrical and environmental conditions. The IMR series is specifically engineered for railway traction, propulsion systems, and high-voltage power electronics, offering enhanced insulation capability, robust mechanical design, and superior reliability compared to standard industrial sensors.
Key Features
- Galvanically isolated voltage measurement
- Current output (50 mA nominal)
- Closed-loop compensated measurement system
- High insulation capability for traction applications
- Excellent accuracy and linearity
- Fast response and low delay time
- Low temperature drift
- High immunity to common-mode disturbances
- Robust construction with stud-type connections
- Footprint compatible with industry-standard mounting
Technical Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VC) | ±13.5 to ±26.4 V |
| Current Consumption (IC) | 20–25 + IS mA |
| Bandwidth | 12 kHz |
| Offset Current (IO) | ±50 μA |
| Rated Input Voltage (VPN) | ±1800 V |
| Maximum Input Voltage (VPM) | ±3000 V |
| Accuracy @ VPN, TA = 25°C | ±0.3 % |
| Operating Temperature | from -40 °C to 85 °C |
| Output Current (IOUT) | ±50mA |
Compliance & Standards
- EN 50155 (Railway Electronic Equipment)
- EN 50121-3-2 (EMC – Railway)
- EN 50124-1 (Insulation coordination)
- IEC 61010-1 (Safety)
Quick Reference
- Part Number
- CEV1800IMR50
- Type
- Voltage Sensor
