1. The enclosure is moulded by the high strength SMC. Lamp housing is made of polycarbonate, which has fine light transmittance and impact resistance properties.

2. It has sealing structure, which has ensured the great functions of water proof and dust proof.

3. Inner electronic ballast is our company's special explosion-proof ballast, and it has protection functions of short circuit and open circuit. For the phenomenons of tubes 'aging effect and air leakage, it should have standby circuit in order to keep it working. The high energy saving is COSΦ≥0.98,and it has the wide range of input voltage.It can keep conatant power

output within 170V～250V AC.

4. The lamp, with electric induction ballast, is adopted the single pin to turn on instantly.

5. We can conform the customers' requirements to add an emergency device.If the power is cut off,it will be turned to emergency lighting automatically.

6. There is an explosion-proof switch in the interior,and it should be added interlock device for opening the cover,when the power is cut off.

7. Wiring with steel tube or cable.(Please specify wiring with steel tube.)

1. In accordance with the specifications of the meaning of the rules and regulations to choose one by one, and in the model specifications after the increase of explosion-proof mark. Concrete expression is: "product model - specification code + explosion-proof mark + order quantity". For example, the need for dust explosion-proof single-tube 18W, two lamp ceiling mounted lamps, with electronic ballasts, the number of 20 sets of orders, the product model specifications: "Model: BYS-Size: 18 × 2XES + Ex tD A21 IP66 T80 ° C "

2. Emergency illumination device is just used as emergency illumination in one tube of fluorescent lamp.

3. Refer to pages P431~P440 for the selected mounting styles and accessories.

4. If there are some special requirements, it should be pointed as ordering.