GNR20DHR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Solid State Relays (SSRs) are electronic switching devices that use solid-state electronic techniques to switch AC or DC currents. SSRs are commonly used in fields such as industrial process control, heating, air conditioning, and automotive, and can be designed using a variety of different technologies, including thyristors, TRIACs, logic-controlled PMOSFETs, MOSFETs and IGBTs. The GNR20DHR SSR is a low profile, easy to install, reliable, and cost-effective devices designed to perform reliably in a wide range of applications.

The GNR20DHR is a zero-crossing SSR, meaning that it waits for the input voltage to reach zero crossing before it switches from the OFF to the ON state. This eliminates "arcing" problems when switching off inductive loads and thus increases its life expectancy. The rated voltage range is from 24 to 480 VAC and the rated load current range is from 5 to 20A. The GnR20DHR integrated optical isolator provides over-current and over-voltage protection, resulting in optimum isolation between the input and output circuits.

The GNR20DHR offers several attractive features. For instance, the device\'s ultra-slim design makes it ideal for efficiently arranging circuit boards and other equipment in confined areas. Also, the GNR20DHR has a variety of LED indicators to provide visual feedback of the device status. More specifically, blue LED indicates when the relay is energized and red LED indicates when the load is on. Moreover, the GNR20DHR includes short circuit protection and overload protection to help protect your system.

In terms of operating principles, the GNR20DHR can be directly controlled by a 3-32V DC signal. Once the signal is applied, an internal zero-crossing detecting circuit will energize the control element, allowing the relay to switch from the OFF state to the ON state. The GNR20DHR also incorporates a safety mechanism, which prevents the relay from cycling on and off unnecessarily. Once the signal is removed, the relay will stay in the OFF state until the signal is applied again.

The GNR20DHR is suitable for a variety of applications, ranging from controlling light dimmers to industrial automation systems. As an example, it can be used in a typical three-wire dimming application, where the third wire is typically a dc voltage to energize the SSR. The GNR20DHR can also be used in applications such as motor speed control, reversing polarity applications, and switching of inductive loads such as solenoids, motors, and small transformers.

In conclusion, the GNR20DHR is a zero-crossing SSR device designed to make AC and DC switching operations safe and easy. Its slim design and LED indicators make it ideal for various applications, from home dimming applications to industrial automation systems. Its internal circuitry provides protection against overloads and over voltage, making it a great choice for reliable operation in extreme conditions.

The specific data is subject to PDF, and the above content is for reference