DRA3P48A4

Series:	DRA3P
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Circuit:	3PST-NO (3 Form A)
Output Type:	AC, Zero Cross
On-State Resistance (Max):	--
Load Current:	4.2A
Voltage - Input:	200 ~ 265VAC
Voltage - Load:	48 ~ 510 V
Mounting Type:	DIN Rail
Termination Style:	Screw Terminal
Package / Case:	Module
Supplier Device Package:	--
Relay Type:	Contactor

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Introduction
The DRA3P48A4 contactor is a solid state relay device and its application field and working principle are largely similar to most contactors and solid state relays. This device is equipped with a built-in LED indicator, integrated test protection, inrush protection, and a variety of timing functions. Furthermore, its technology allows for both voltage and current relay functions. This article will provide an overview of the application field and working principle of the DRA3P48A4 contactor. Overview
The DRA3P48A4 contactor is used for multiple applications including control panels, automation systems, and other industrial equipment. The device is highly reliable and offers high precision, providing accurate and effective control of both current and voltage in an industrial environment. Additionally, its timing parameters ensure optimized performance and efficiency for its users. The DRA3P48A4 contactor is also compatible with a wide range of other industrial devices, including PLCs, SCR drives, and other industrial systems. Application Field
The DRA3P48A4 contactor is designed for use in a variety of industrial applications. These include control panels, automation systems, and other industrial equipment. Its level of precision and accuracy allows for effective and reliable operation in industrial environments. The device is mostly used in applications where regulating current and voltage levels is a priority. Its timing parameters offer users the ability to optimize their control systems’ performance. Additionally, the device can be used for a variety of industrial operations including PLC and SCR drive systems operations. Working Principle
The DRA3P48A4 contactor works on the principle of using an SCR module to regulate current levels. It features two terminals, one to provide power to the device and the other for the load. When power is supplied to the device, the SCR module will draw current and release voltage, which is then used to control the selected load. The SCR module is responsible for providing power to the contactor’s terminals and, as such, it is the most critical component of the device. The device also contains other components, such as a built-in LED indicator, integrated test protection, and a variety of timing functions. The process of controlling the load through the DRA3P48A4 contactor is relatively simple. When power is supplied to the input terminal, the SCR module will detect the voltage level, and the integrated voltage processing unit will adjust the output voltage accordingly. An integrated current processing unit will then detect the current levels, and the device will operate as required. The device also comes with several other features. Its built-in LED indicator provides users with a visual indication of when the contactor is in an active state. Its integrated test protection feature also allows for safe operation even when the device is undergoing testing, as it prevents potential damage from occurring. Its integrated timing functions offer users reliable and precise control over their control systems’ performance. Conclusion
The DRA3P48A4 contactor is a reliable and versatile device, capable of controlling both current and voltage levels in industrial environments. Its integrated features allow for optimized performance in various applications. Furthermore, its components offer maximum protection even when the device is being tested or when it is subjected to high temperatures or currents. This makes the device a great choice for applications requiring precise control and maximum safety.

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