The JD194-BS4I is a single-phase current transmitter manufactured by Sfere Electric (also known under Elecnova branding). It measures single-phase AC current signals and converts them into standard analog or digital outputs for industrial automation, power distribution, and PLC control systems.

Key Specifications

1. Product Type: Single-phase current/voltage transducer or transmitter
2. Accuracy Grade: 0.2% or 0.5% (defaulted to 0.5%)
3. Input Current: Rated AC 1A or 5A (continuous overload up to 2x rated value)
4. Input Frequency: 45Hz – 65Hz
5. Analog Output: DC 4–20mA, 0–20mA, or 0–5V / 0–10V options
6. Digital Communication: RS-485 port with Modbus-RTU protocol (2-wire, up to 9600 bps)
7. Auxiliary Power Supply: AC 80–270V (50/60Hz) or DC 100–350V
8. Operating Temperature: -40°C to +70°C
9. Mounting: Standard 35mm DIN rail mount