At the same time the product has a basic type (IP67) and Explosion-proof, explosion-proof level for EXD II BT4, its explosion-proof level applicable to the factory premises explosive environment.

• 同时该产品有基本型（IP67）和防爆型，防爆级别为EXD II BT4，其防爆级别适用于工厂的易爆环境场所。也可根据需要选择合适的电压。