DRA3R48D4

Series:	DRA3R
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Circuit:	3PST-NO (3 Form A)
Output Type:	AC
On-State Resistance (Max):	--
Load Current:	4.2A
Voltage - Input:	4 ~ 6VDC
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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Contactors (Solid State)

Solid state contactors are an important part of many applications and are used to control the flow of electric current in circuits. The DRA3R48D4 is a solid state contactor device that is mainly used for high power applications in AC circuits. The contactor utilises a unique combination of components and technologies to provide superior electrical and performance characteristics.The DRA3R48D4 contactor comprises of a three-step control integrated into a single module. This module includes a transformer, a thyristor and a solid state contactor device. The thyristor acts as the main electrical switch, controlling the flow of current in the circuit. The transformer serves to increase the voltage in the circuit and is known as the transformer rectifier. The solid state contactor device is used to regulate the voltage and current in the circuit.The DRA3R48D4 contactor is suitable for a variety of AC circuit applications including lighting, motor control, electrical heating, power electronics, and AC to DC control. The contactor is also suitable for applications where the load is highly inductive, requiring complex control processes that require fast response times.The contactor utilizes a unique technology called "Multi-Step Control" which allows it to hold higher voltages and switch quickly when high power loads are connected or disconnected. The contactor is designed to be exceptionally flexible and its operation can be optimized to meet specific performance requirements. It can be programmed to operate in either double or single step mode, depending on the application.The contactor has an adjustable holding time which can be adjusted according to the specific application requirements. The maximum holding time of the contactor is 500ms (milliseconds). This feature enables the contactor to remain energized for longer periods and thus enables it to better protect the connected circuit.The DRA3R48D4 contactor is highly reliable and represents a major advantage to applications with high power loads. It has proven to be one of the most efficient contactors on the market and its features make it an ideal selection for many high power AC circuit applications.

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