NL67H3G Optoelectronics

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Panel indicators, pilot lights, and other similar devices are necessary tools in systems and engineering wherein operators need to precisely measure the performance of their systems and have knowledge about any current problems. The NL67H3G is one such device, and while its application field and working principle is simple, it has several unique features that make it ideal for a wide variety of applications.

The NL67H3G is a 3-level interlocked status indicator, with illuminated LED bulbs that indicate the current status of the attached system. The levels are Low, Normal, and High, illuminating bulbs red, green, and amber respectively. It is housed in a durable, UL 94V-0 flame retardant enclosure that provides superior protection for a variety of user-defined applications.

The device has two modes of operation, automatic and external. In automatic mode, the NL67H3G will sense the current voltage from the system and automatically change the illumination level accordingly. This is the preferred mode of operation in applications where the system is expected to switch rapidly between multiple states. The external mode of operation will allow the user to manually control the LED status indicator from an outside source. This is usually used in applications where the voltage level needs to be constantly monitored, such as in medical or industrial settings.

In either mode of operation, the device features a unique, self-test logic circuit that is designed to detect any fault condition in the connected system. This logic circuit will illuminate all three levels simultaneously when any fault is detected, alerting the user to the abnormality. This is an important feature, as it allows the user to be aware of any potential problems with the system even before they can observe any changes in voltages.

The NL67H3G can also be used in water treatment and drinking water applications, as it has been certified by NSF International to meet ANSI/NSF Standard 61 and NSF/ANSI 372. This certification ensures that the device is safe for potable water and will not cause any adverse reactions when in contact with water.

The voltage range supported by the device is 0–250VAC-single phase and 0-400VAC three phase. Maximum wattage is 5W. It also has an IP67 rating, making it suitable for both indoor and outdoor applications. The device can be easily mounted on any standard 2" or 3" J-type box, making installation easy and quick.

Overall, the NL67H3G is an excellent choice for any application field where a reliable status indicator is needed. Its two modes of operation, self-test logic circuit, and NSF International certification make it suitable for building applications, water treatment, and many other fields. And because it is housed in a durable enclosure and features an IP67 protective rating, it is ideal for both indoor and outdoor applications.

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