The BRG-21 dual-channel galvanic isolation block is designed for:

• 🛡 Galvanic protection of electrical circuits operating with standardized analog signals (current or voltage);
• 🔄 Signal conversion and matching between different sections of measurement, regulation, and control systems;
• ✅ Enhancing the reliability and safety of industrial automation systems by eliminating the effects of interference, transients, and potential differences.

The device provides dual independent galvanic isolation, allowing simultaneous operation of two analog signals without mutual influence.

Functional Features

• 🔒 Dual galvanic isolation – each channel has independent separation of input and output signals;
• 🛡 Signal protection against overvoltage, electromagnetic interference, and induced noise;
• 🔄 Signal conversion without distortion of amplitude or waveform;
• ⚡ Stable operation under industrial disturbances and potential differences in the system;
• 🏭 Suitable for SCADA and industrial facilities with a high level of electromagnetic interference.

Electrical Characteristics

• ⭕ Number of channels: 2 (independent);
• ⭕ Input: 2 passive, standardized (Current: 0–5 mA, 0–20 mA, 4–20 mA; Voltage: 0–10 V);
• ➡ Output: 2 active (voltage: 0–5 V, 0–10 V)
• 🛡 Galvanic isolation: provides complete electrical separation between the input and output of each channel, as well as between the channels;
• 🔋 Power supply: 24 V DC.