APPLICATION:
The motors' protection mark is ExdⅠ,Exd Ⅱ AT4 and Exd BT4. They can be used on fixed equipment which under the coal mine well with methane or coal dust (the temperature is from T1～T4), they can work on the equipments in some places which covered by flammable gas or explosive gas.

ARAMETER:

Frame Size	63～355	Protection Class	Ip55
Power	0.12～315kW	Insulation Class	F
Voltage	380V, 660V, 380V/660V	Ambient Temperature	-15℃～40℃ (the factory) -15℃～30℃ (under-colliery）
Frequency	50Hz	Altitude	≤1000m