CBC51 column series explosion-proof operation 





 The total scope of the meaning units 
 Zone 1, Zone 2 hazardous locations. 
 Ⅱ A, Ⅱ B, IIC explosive atmosphere. 
 Note: The requirements specified class IIC. 


 Type meaning 

 The meaning of the meaning of the second unit of the first unit 


 The meaning of the meaning of the fourth unit of the third unit 

 Features 
 Cast aluminum housing, powder coated. 
 Built-in universal switch, button, ammeter, (other instruments installed according to user requirements), light 
 According to the requirements of special 
 Ammeter range specified by the user. 
 Pipe or cable wiring can be. 
 Factory nameplate on the unit only reflects the total content of the sub-unit code-named order reference. 
 Meet GB3836-2000, IEC60079 standard request. 

 Main technical parameters 
 Use category Rated voltage (V) Rated current (A) Ex-mark level of corrosion protection Inlet thread the cable diameter (φ, mm) 
 AC-3 AC-4 220/380 10 Exed II BT6 
 IP54 WF1 1 12-17 

 Ordering example 
 1, a table a vertical switch, switch, code-named K, the table range is 200 / 5 should be labeled as: 
 CBC51-B1K1L 
 B1-1 (200 / 5) 
 K1-1A 

 2, two buttons, one table two hanging lights, table range is 100 / 5 should be, one each red and green lights as 220V, 2 buttons specifications are normally open a normally closed labeled as: 
 CBC51-A2B1D2G 
 A2-2I 
 B1-1 (100 / 5) 
 D2-1Rd/1Gd 


 Indicator Code 
 Code abcde 
 Voltage (V) 12 24 36 220 380 
 Code RGYW 
 Color red green yellow white 

 Button code 
 Code Ⅰ Ⅱ Ⅲ 
 Button contact type normally open a normally closed two normally closed normally open three 

 Switch code