B□Z51 explosion-proof ballastDetailed product description：

B □ Z51 explosion-proof ballast (e, Ⅱ B)

1. Explosive gas environment hazardous areas: Zone 1, Zone 2;
2. Flammable gas and vapor levels: IIA, IIB;
3. Temperature group: T1~T4;
4. Indoor and outdoor (IP54, can reach IP65 according to user requirements).

1. Cast aluminum alloy die-casting shell with surface spray coating;
2. Can be used as a supporting product for explosion-proof mercury lamps, sodium lamps, and metal halide lamps;
3. Suitable for pendant lights, pole lights, cantilever lights, and street lamps;
4. Make compensators as required.
5. Steel pipe or cable wiring.
6. Complies with the requirements of GB3836-2000, IEC60079, GB12476.1-2000, and IEC61241 standards.

Types of light sources Luminous source sorts	power Power (W)	Voltage Voltage (V)	Protection Rating Protection category	Explosion-proof marking Explosion- proofing maker	corrosion resistance grade Corrosion- proofing grade	Inlet thread Inlet's thread	outer diameter of cable Cable's outside diameter (mm)
G: Mercury lamp	125, 175, 250, 400	AC220 ±10%	IP54, IP65	Exe Ⅱ T4, Exd Ⅱ BT4	W, WF1, WF2	G3/4	Φ10~Φ15
N: Sodium lamp	70, 100, 110, 150, 250, 400
L: Metal Halide Lamp	100, 150, 175, 250, 400

B □ Z51 explosion-proof ballast (e, Ⅱ B)