LE177WL39007

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Panel indicators, Pilot Lights, and other visual signaling devices are important components used in a wide variety of applications requiring visual indication. They can also be found in a vast range of electrical machinery, laboratory equipment, medical devices, and industrial control and instrumentation systems. An important indicator belonging to this family in industrial applications is the LE177WL39007. This article will discuss the application field and working principle of the LE177WL39007.

The LE177WL39007 is a panel indicator that is designed for UL listed general-purpose circuits in both indoor and outdoor environments. It is a high-performance indicator that is used for a wide range of applications from industrial control and measurement to the operation of medical devices. The LE177WL39007 is suitable for use in a variety of applications such as lighting, audio, sound, security, and safety systems. Its simple and straightforward design makes it easy to install and use. The indicator is equipped with a red LED light source which brightens when an ON signal is applied and dims when an OFF signal is applied. Its low power consumption helps to reduce energy costs.

The LE177WL39007 features a compact and lightweight design with a long life expectancy. It has a maximum volt-ampere rating of 1/5 HP at 120/240 volts and a maximum current rating of 20 amperes. It is operable in both AC and DC applications and is capable of handling temperatures of up to 70°C. The indicator is UL approved for use in hazardous location circuits in both indoor and outdoor applications. It is also cUL listed and CSA certified.

The working principle of the LE177WL39007 is based on the use of a light emitting diode (LED). The LED emits light when electrically activated and dims when electrically deactivated. The indicator is connected to the circuit via two terminals; one terminal is designated as the positives and the other terminal is designated as the negatives. When a positive voltage is applied to the positive terminal, an electron current passes through the LED and it emits light. The LED\'s brightness in this state is proportional to the current applied. Conversely, when a negative voltage is applied to the negative terminal, the current is reversed and the LED dims in brightness.

In addition to providing a visual indication, the LE177WL39007 can also be used as a pilot light in control panels. A pilot light is a visual signaling device used to indicate the state or operation of the circuit. A typical setup would involve wiring the indicator between two terminals; one terminal is wired to an input signal line and the other terminal is wired to a ground line. When the signal line is energized, the indicator will indicate the operation of the circuit by emitting light. The LE177WL39007 is a reliable and cost-effective option for providing visual indication in both indoor and outdoor applications.

In conclusion, the LE177WL39007 is a panel indicator that is suitable for use in a vast range of applications. It features a compact design with a long life expectancy and low power consumption. The indicator emits light when a positive current passes through the LED, and dims when a negative current passes through the LED. It is UL approved for use in hazardous location circuits in both indoor and outdoor applications and can also be used as a pilot light in control panels. The LE177WL39007 is a reliable and cost-effective solution for providing visual indication in a variety of applications.

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