Hong Run OHR-ES40 series AC/DC voltage/current over-limit alarm instruction manual
OHR-ES40 series AC/DC voltage/current over-limit alarm adopts new electromagnetic isolation principle to measure AC/DC voltage or current signals in the power grid and circuit in real time, with relay alarm output function; measurement and control integration, small size, high accuracy, fast response; with transient interference suppression function to prevent false operation. This product adopts standard 35mm DIN rail mounting, terminal wiring, easy installation and is suitable for various online voltage and current protection systems.