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Instructions:
According to the actual needs of the work site to determine the lighting installation location and method, and then according to the distance from the lamp to the power contact to prepare the corresponding length of Φ8 ~ Φ14mm three-core cable.
Open the end cap of ballast, loosen the pressing nut of the ballast cable inlet, and lead the lamp cable and power cable through the compression nut to the internal terminal of the ballast, connect and fix, and tighten separately. Cables tighten nuts and tighten ballast end caps.
According to the determined installation location and method, the lamps and ballasts are installed, and the other end of the input cable of the ballast can be connected to the 220V power supply according to the requirements of explosion-proof.
Loosen the screws at the bottom of the lamp holder bracket, and adjust the lighting position by rotating 360° around the lamp holder; loosen the screws on both sides of the lamp holder, adjust the lighting angle of the lamp holder up and down according to the lighting requirements, and then fasten the screws.
When replacing the lamp, use a suitable screwdriver or other tool to insert the front cover into the holes on the two front side of the front cover, remove the bad lamp, and replace the new one.
Precautions:
1. When the light is transported, it should be installed in the equipped carton and be equipped with foam shock absorption.
2. When installing and maintaining the lamp, you must disconnect the power supply.
3, when used, the surface of the lamp has a certain temperature rise, which is a normal phenomenon; the temperature of the center of the transparent part is relatively high and must not be touched.
4. When replacing the bulb, use the bulb of the same type and power; if you change the bulb type or power, replace the matching ballast accordingly. 
CBT51 series explosion-proof cast light product features:
1. Cast aluminum alloy shell, die casting, surface spray.
2. The lamp body can be adjusted in horizontal rotation 360° elevation angle in +90° to -60°.
3. The reflector has a parabolic shape and high reflectivity. A focusing mechanism is provided for the power of 250W to achieve near-far adjustment. In high beam, the range can reach 100m.
4. With strong waterproof performance, it can be used for lighting purposes in places with high protection requirements such as ships or oil platforms.
5. Cable routing.
6. Meet GB3836-2000, IEC60078 standard requirements.
The use of CBT51 series explosion-proof cast light lamps and precautions
Explosion-proof cast light is a high-intensity explosion-proof cast light, but also has a high-power explosion-proof cast light, power up to 400W. It is applicable to a wide range of cast lighting such as inflammable and explosive places, oil fields, offshore oil platforms, shipbuilding, metallurgy, petrochemical, and other indoor and outdoor operations, construction sites, and large-scale equipment.