HA-1 IS Barrier

HA-1 IS Barrier

1)Chapter 1 of Part 4 of the “ Steel Ship Classification Rules" of the China Classification Society;
2)YD/T729-94 method for automatic exchanger network access;
3)GF002-9002.4 technique specification for automatic exchanger equipments in technical ministry of posts and tele communication.

Colour: Gray

Shell material: Aluminium

Explosive-proof Grade: [Ex ib Gb]IIC

IP rating: IP44

With explosion-proof telephone use,IS barrier should be installed in the safety zone