Q:Emergency lighting supply time?

air evacuation sites, evacuation areas, emergency lighting, at least continuous power supply 60min;

Q:Why is the fire emergency lighting for buzzing?

The lamp with an elliptical metal spray, three-dimensional sense of strong.

Q:When will the car emergency lights be used?

Car emergency lights, commonly known as car double flashing lights, that is, two turn lights flashing together, in the vehicle dashboard has a red triangle button, press down to open double flash

Q:Emergency light set specification

closed staircases, smoke proof staircase and elevator room, fire elevator room or common antechamber;

Q:What's the fire emergency lamp holder for 4 LED points, v?

4.5V, LED emergency lamp is generally more variable for 4.5V.

Q:How can the emergency light be changed into common light?.

B terminal series connected two rectifier diode step-down, voltage is close to 3.2V, directly with bright LED lights.

Q:[emergency lights] emergency lights and ordinary lights what is the difference?

This type of emergency lamp, each lamp has internal pressure transformer, voltage regulator, charging, inverter, battery and a large number of electronic components, emergency lights in use, maintenance, failure, batteries are required to charge and discharge.

Q:The emergency light went off suddenly, so it suddenly lit up

Special case: when the grid voltage is below 187V, it also enters the emergency state.

Q:How much is the distance between fire emergency lights?

The power supply of the emergency lighting lamp, besides the normal power supply, has another power supply, or is powered by a diesel generator set which is independent of the normal power supply, or supplied by a battery cabinet or a power supply type emergency lamp.

Q:What batteries are used in the fire emergency lights?

Under the discharging state of lead acid battery, the main component of positive electrode is two lead oxide, and the main component of negative electrode is lead. Under the charge state, the main component of positive and negative electrode is lead sulfate.