Explosion-proof lamps should be checked from the nameplate and product manual before installation

Explosion-proof lamps should be checked from the nameplate and product manual before installation

The LED explosion-proof light has no stroboscopic, and the fluorescent lamp is AC, and the explosion-proof led light will flicker 100-120 times per second. LED lamps directly convert alternating current into direct current, which will not flash and protect eyes.

LED explosion-proof lamp standard lamp holder Universal lamp holder, which can directly replace the general standard lamp holder, which can directly replace the existing halogen lamps, incandescent lamps and fluorescent lamps. Improve the light distribution skills to expand the LED point light source to a surface light source to improve the visual effect, a variety of color temperatures are optional, the color rendering index is high, and the color rendering is good.

The outer casing shall be marked with a striking permanent embossed or debossed "Ex". The nameplate shall be provided at the conspicuous part of the enclosure. Warning signs must be clearly visible and placed in appropriate locations. For example, the warning sign "open the cover after power off" must be set near the opening cover.

Because explosion-risk places are often accompanied by the presence of corrosive gases, the signs on the shell of explosion-proof lamps must be made of bronze, brass, stainless steel or not less than the aforementioned Other materials of raw materials are made. It should also be firmly fixed and not easily erased or dropped.

The method to test the durability of the mark is: rub it with a cloth soaked in water for 15s and let it dry, and then wipe it with a cloth soaked in gasoline for 15s. After visual inspection, the mark should be clear and not fall. The content of the nameplate mark should include; explosion-proof mark. Fundamental signs: including product title, type, manufacturer's name, registered trademark, date of manufacture, etc. Performance safety mark: including rated voltage, current, nominal frequency, light source power and quantity, allowable ambient temperature (the scale is only -20 ~ +40 ℃ can not be marked), specific applicable environmental marks (such as only applicable to a certain The product of an explosive gas mixture must be marked with the name or molecular formula of the flammable gas), the classification mark of the lamp (such as "number"), etc.

Explosion-proof lamps should be checked from the nameplate and product manual before installation: explosion-proof type and group; protection level of the shell; installation method and fastener requirements for installation, etc. The device of the explosion-proof light should be firmly fixed, the fastening bolts should not be replaced arbitrarily, and the spring washers should be complete. When installing the dustproof and waterproof sealing ring, keep it as it is. At the cable entry, the cable and the sealing gasket should be closely matched, and the section of the cable should be round. The remaining wire inlets must be blocked according to the explosion-proof type, and the compression nut must be tightened to seal the wire inlets.

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