Scope of application 
 ◆ Suitable for Zone 1, Zone 2 hazardous sites. 
 ◆ Application in II A, II B, II C class, temperature group T1-T6 explosive gas environment. 
 Technical parameters 
 ■ implementation of standards: to GB3836.1-2000, and GB3836.2-2000 GB3836.3-2000, IEC6007 
 ■ proof mark: Exde Ⅱ BT4 the * Exde II the BT6 Exde Ⅱ CT4 Exde II CT6. 
 ■ Rated voltage: AC380/220V/50Hz 
 ■ Rated current: 1A-250A 
 ■ Degree of protection: IP54, IP65 * 
 ■ the anticorrosive Level: WF1 WF2 
 Features 
 ■ aluminum die-casting molding shell (shell is welded by steel plate), built-in appliances, such as: miniature circuit breakers, molded case circuit breaker, AC contactor, time relay, the intermediate relay, thermal relay , current transformers, switch, fuse Lu, ammeter, voltmeter, buttons, lights, etc.. 
 ■ The control circuit; 
 ■ cable or steel wiring; 
 ■ can be made to order. 
 Ordering Information 
 ■ order should indicate the Comprehensive Distribution of slip, each branch of the current and the need to install the electrical specifications and manufacturers of electrical models (specify); such as special requirements, must be marked; 
 ■ For with the master switch, please indicate the total switch current and the number of poles; 
 ■ must indicate the inlet and outlet direction, the number of specifications and the corresponding inlet and outlet; 
 ■ The user should be for the corresponding drawings of electrical systems, and electrical diagrams for design and production