BYY-9/20 series explosion-proof marker lightDetailed product description：

BYY-9/20 series explosion-proof marker light (Class IIB) applicable scope

Hazardous areas with explosive gas mixtures: Zone 1, Zone 2.  
Explosive gas mixture: IIA, IIB.
Temperature group: T1 to T6.  
Explosion proof mark: Exd Ⅱ BT6

BYY-9/20 series explosion-proof marker light (Class IIB) features

Cast aluminum alloy shell, surface sprayed with plastic.  
Transparent signage can be freely selected by users.
Equipped with maintenance free nickel cadmium battery pack, it automatically charges under normal power supply, and emergency lights automatically turn on in case of power outage or power failure.
Both steel pipes and cables can be used for wiring.

BYY-9/20 series explosion-proof marker light (Class IIB) model meaning


Main technical parameters

model	Rated voltage (V)		Rated power (W)		Lamp holder code		Emergency lighting time	Explosion-proof marking	Inlet thread (G)
	Normal lighting	Emergency	Normal	Emergency	Normal	Emergency
BYY-9/20	two hundred and twenty	six	twenty	twenty	U-shaped fluorescent tube	U-shaped fluorescent tube	ninety	Exd II BT6	3/4

External dimensions and installation form