CBC51 series explosion-proof operating columnDetailed product description：

CBC51 series explosion-proof operating column applicable scope
Zone 1 and Zone 2 hazardous areas.
Class IIA, IIB, IIC explosive gas environment.
Note: It is required to indicate the IIC category

Meaning of CBC51 series explosion-proof operating column model

General unit meaning


Meaning of Unit 1


Meaning of Unit 2


Meaning of Unit 3


Meaning of Unit 4


Product Features
Cast aluminum alloy shell, surface spray coating
Equipped with universal conversion switch, button, ammeter, (other instruments can be installed according to user requirements), indicator light
Customized according to requirements
The range of the ammeter is specified by the user .
Both steel pipes and cables can be used for wiring
The factory nameplate of the product only reflects the content of the main unit, and the codes of each sub unit are for ordering reference
Meets the requirements of GB3836-2000 and IEC60079 standards

Main technical parameters of CBC51 series explosion-proof operating column

Usage category	Rated voltage (V)	Rated current (A)	Explosion-proof marking	Protection Rating	corrosion resistance grade	Inlet thread	Cable outer diameter (diameter, mm)
AC-3 AC-4	220/380	ten	Exed II BT6	IP54	WF1	one	12-17

Example of ordering
1. One meter, one switch vertical, switch code K, meter range of 200/5 should be labeled as:
CBC51-B1K1L
B1-1(200/5)
K1-1A

2. Two buttons, one meter, two lights hanging type, with a measuring range of 100/5. The indicator lights are 220V, one red and one green. The specifications of the two buttons are one normally open and one normally closed, marked as:
CBC51-A2B1D2G
A2-2I
B1-1(100/5)
D2-1Rd/1Gd

Indicator light code

code name	a	b	c	d	e
Voltage (V)	twelve	twenty-four	thirty-six	two hundred and twenty	three hundred and eighty

code name	R	G	Y	W
color	red	green	yellow	White

Button code

code name	Ⅰ	Ⅱ	Ⅲ
Button contact type	One normally open and one normally closed	Two normally open	Three normally closed

Switch code

Example of appearance and installation