BT4

Explosion-Proof Classification Class I: Electrical equipment designated for use in underground coal mines; Class II: Electrical equipment intended for use...

Explosion-proof products each have an explosion-proof rating, which distinguishes the product's type of explosion-proof design and applicable scenarios.

The designation dIIBT4 refers to a Class II, Category B explosion-proof rating. The prefix 'd' denotes a flameproof type of enclosure, designed so that...