CCd-250/400 series explosion-proof lampDetailed product description：

CCd-250/400 series explosion-proof lamp (Class II C) applicable scope

Hazardous areas with explosive gas mixtures: Zone 1, Zone 2.  
Explosive gas mixture: IIA, IIB, IIC
Temperature group: T1 to T3.  
Explosion proof signs: Exd II BT4, Exd II CT3.  

Product Features

Cast aluminum alloy shell, surface sprayed with plastic.  
Compact structure and beautiful appearance.  
The lamp body is fastened with explosion-proof threads, which has good explosion-proof performance.
Steel pipe wiring.

CCd-250/400 series explosion-proof lamp (II C level) model meaning


Main technical parameters

Lamp holder code	Lamp holder code	Explosion-proof marking	Cable outer diameter (diameter, mm)	Inlet thread (G)
CCD-250	E40	Exd II CT4	10~14	3/4
CCD-400		Exd II CT3

Equipped with light source

Types of light sources	Rated voltage (V)	Rated power (W)
Self regulating mercury lamp	two hundred and twenty	two hundred and fifty	four hundred and fifty
incandescent lamp		three hundred
High pressure mercury lamp		one hundred and seventy-five	two hundred and fifty	four hundred
High-pressure sodium lamp		one hundred and fifty	two hundred and fifty	four hundred
Metal Halide		one hundred and seventy-five	two hundred and fifty	four hundred

Shell Type	Equipped with light source power (W)
I	150, 175, 250, 300
II	400, 450