Product Name: BZC51 proof operation column (vertical, hanging) \ LBZ Ex operating column (Ⅱ B) 

 Scope 
 1 and Zone 2 dangerous places. 
 IIA, IIB, explosive atmosphere. 

 Type Meaning 

 Meaning unit 

 The second element of first part 

 The third unit of the fourth unit 

 Features 
 ■ aluminum alloy shell with plastic sprayed surface. 
 ■ built-in universal switch, ammeter (other instruments available to be installed), lights. 
 ■ switch has 30 functions to be chosen, according to special requirements. 
 ■ ammeter'smeasuring optimized design, you can automatically find is, to guarantee rotation flexibility, and cable wiring. 
 ■ ammeter range specified by the user. 
 ■ pipe or cable wiring. 
 ■ nameplate manufactured products only reflect the total cell content, particular sub-unit code 
 For the order parameter. 
 ■ comply with GB3836-2000, IEC60079 standard request. 

 Color red green yellow white 
 Brief description of the code of the switch 
 Switch combination 
 Symbol 

 Contact Chart equivalent switch knob position (practice, said positioning resetting) 

 Equivalent function 

 A A. ??Function button with the same connection, 
 Automatically reset. 

 B B. Function button with the same starting compound 
 Bits, increasing the lock stop stalls, to avoid misuse 

 C C. 2 function button with normally open contact 
 Automatic reset, high-voltage motor control for 
 Circuit. Or use A function panel. 

 D D. Small Power switch. 

 E E. function and the same three buttons to control the motor positive and negative 
 Conversion, positive and negative self-reset starting position. 

 F F. selector switch with stop stalls. 

 G G. the equivalent of two buttons and a toggle switch 
 Mounted on a shaft, can be in the starting and stopping 
 Contact signal or control signal output 

 HH, step by step multi-signal transmission, random. 

 I I. H based on an increase in the total signal transfer function. 

 J J. two into the level, step by step switching. 

 KK, switch 

 L L. triple double throw selector switch 

 MM, automatic, manual, starting three-position switch 
 Starting from the reset, must be stopped after starting stalls 
 To automation bit. 

 NN, and M universal structure is slightly different, non-stop after starting 
 Only stalls to automation. 

 O O. Double contacts with lock start stop function, starting from the reset. 
 PP, stop the double contacts, respectively instead of A and C, start and stop, automatic reset .. 
 QQ, stop with the double-contact, locking stop function, starting from the reset. 
 RR, starting and stopping all with double contact, starts and stops are reset automatically, with the A universal panel. 

 S S. stopped before starting to send a contact signal. 

 T T., the stops are locked stall stop function, to avoid misuse, do not automatically reset. 
 U U. dual-control switch 
 V V. Voltage measurement switch commutation. 
 W W. about the same as a normal opening from the reset button. 
 X X. to 2 with 2 normally open contacts of the self-reset button 
 Y Y. to 4 normally open contacts with self-reset button. 
 Z Z. Power program switch, disconnect the middle, so both can be used for fire near the switch. 
 a-1 a-1. for starters, to move hybrid circuits. 
 b-1 b-1. double linkage switch. 
 c-1 c-1. emergency stop button switch. 


 Overall installation and example 
 BZC51-D2K1 (II type) one switch, hanging; BZC51-B1K1 G (III type) a table of a switch hook 
 BZC51-K2 G (III type) the second switch hook; BZC51-B1D2K1 G (IV type) for a table one switch, hook 
 BZC51-A2D2k1 G (IV type) one switch, two button pendant 

 BZC51-A2K1 G (II type) one switch, hanging; BZC51-A2D2 G (II type) Two buttons b pendant lamp 
 BZC51-A2B1 G (III type) the second button is a table hanging; BZC51-A2 G (I type) two button pendant 
 BZC51-A2B1D2 G (IV type) two button pendant lamp, table II