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Panel Indicators, Pilot Lights

QM6003 is a kind of panel indicator or pilot light used in a variety of electrical control systems. It is characterized by having two lamps - a main bulb and a auxiliary bulb - and being specifically designed to perform a number of electrical tasks.

Application Field

QM6003 is used in control panels to indicate the status of an electric circuit, usually used for power-on and power-off indication. It is also used as a warning light in alarm systems, or in any situation where the user needs to be quickly informed about any changes in electric system status.

QM6003 is widely used in a variety of industries, such as motors, electrical power appliances, panel instrumentation, etc., where a reliable indication of a system\'s status is of great importance. Besides, they are also used in household appliances, security systems, and so on.

Working Principle

QM6003 works by having two bulbs in one panel, one as the primary one and another one as the auxiliary one. The primary bulb is used to indicate whether the electric circuit is ‘on’ or ‘off’, as it is directly connected to the power line. The auxiliary bulb is usually a smaller one, and it is used as an indicator of any system malfunctions or issues. The brightness of the two bulbs can be adjusted by using the control knob.

When the current is applied, the primary bulb starts to glow, and the auxiliary bulb remains unlit till any sort of fault occurs in the system. However, when a fault occurs, the auxiliary bulb will start to glow due to currents passing through the relays in the system. When this happens, the user will be made aware of the system’s condition quickly by seeing the change in the color and intensity of the bulb.

When the fault is cleared, the auxiliary bulb will turn off and the primary bulb will remain lit. If the main power to the system is cut off, then both the bulbs will turn off.

Conclusion

QM6003 is a reliable panel indicator or pilot light that can be used in a wide range of applications. It works through the use of two bulbs - the main one and the auxiliary one - and is specifically designed to provide an indication or warning when a system failure or issue occurs. This makes it ideal for use in control panels, alarms, motors, power appliances, and so on.

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