L36EN-R24-2311

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Panel Indicators

Panel indicators and pilot lights such as the L36EN-R24-2311 are used as visual aids to alert personnel to the presence of an electrical phenomenon, such as presence of voltage or current, power dissipated in a load, or abnormal operation. Panel indicators may be either discrete units incorporating their own circuitry or incorporated into a larger instrument cluster as a single unit.

L36EN-R24-2311 Application Field and Working Principle

The L36EN-R24-2311 is a voltage-sensitive panel indicator designed for use in a variety of applications. It has a single input line and a power indicator light. When line voltage is present, the indicator will glow, indicating that power is being applied.

The L36EN-R24-2311 has two components, the LED and the Optocoupler. The LED serves as the indicator light, and the optocoupler detects the presence of line voltage. When line voltage is present, the optocoupler will close, sending a signal to the LED, and the indicator light will glow. When line voltage is absent, the optocoupler will open, signaling the LED to turn off the indicator light.

The L36EN-R24-2311 is typically rated at a maximum of 25V, and is designed to be used with line voltages up to 24V. However, with the appropriate circuitry, the indicator may be used with voltages greater than 24V.

Pilot Lights

A pilot light is a signalling device that operates by illuminating a visually identified light source. When properly applied, a pilot light can provide a warning, that a particular circuit is active or can act as a confirmation that a switch, contactor, relay or other control device is functioning properly.

Pilot lights are common in control equipment such as switchgear, and consist of a light bulb or LED connected in parallel with a voltage source. When the voltage is present, the light emits a visible signal, indicating that the circuit is powered and/or capable of operating the device. The power ratings of pilot lights are typically low, allowing them to be used with either AC or DC power circuits.

The L36EN-R24-2311, being a panel indicator, can also be used as a pilot light. When line voltage is present, the indicator will glow, signifying that the circuit is active. This makes it an ideal device for signaling whether the circuit is powered or if it is capable of operating the device, depending on the type of control being used.

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