product description

LMRD-B series surge protector is suitable for AC 50/60Hz, 380V and below TN-S, TN-C, TT, IT and other power supply systems. It acts as a lightning strike equipotential bonding to protect against lightning strikes or other transient overvoltages. The application is in areas with high risk of lightning strikes. The design basis is in accordance with GB18802.1 and IEC61643-1. The outer casing is designed and installed on the 35mm electrical rail. The product has a built-in failure release device. When the surge protector fails due to overheating and breakdown. The fail-out device can automatically detach it from the grid, and the visual alarm indication module changes from green (normal) to red (fault). Kevin wiring method, remote signal output interface.

Model meaning

Product application and installation location

The LMRD-B160, LMRD-B100, and LMRD-B80 series are used in Class B lightning protection for equipotential bonding during lightning strikes. They are installed in the LPZOA zone or at the junction of the LPZOB zone and the LPZ1 zone. The LMRD-B80, LMRD-B60 is usually installed at the main distribution cabinet where the buried pipe is fed.

Technical Parameters

Dimensional drawing