G3PH-5150B DC5-24 Relays

Series:	G3PH
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	5 ~ 24VDC
Voltage - Load:	180V ~ 480V
Load Current:	150A
Termination Style:	Screw Terminal
Package / Case:	SSR with Integrated Heat Sink
Supplier Device Package:	--

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Introduction

Solid State Relays (SSRs) are electronic control elements commonly used to switch power on and off. They are called “solid state” because they have no moving parts or electrical contacts, and rely instead on an electrical signal (typically an AC or DC voltage) to control an electrical load.The G3PH-5150B DC5-24 is an SSR manufactured by Omron, and can be used to switch AC power from 5VDC up to 24VAC in a variety of industrial and automotive applications. This particular SSR is designed for low-power, continuous operation in a temperature range of -20°C to +80°C, and is UL, EN, and VDE approved for numerous industrial and commercial applications.

Applications

The G3PH-5150B DC5-24 SSR can be used in many different application fields. In the automotive world, it can be used as a motor starter, to allow electrical devices to be switched on and off remotely. In industrial settings, this SSR can be used to control servo motors, solenoids, and HVAC systems. It can also be used to control lighting, electrical motors, pumps, and other devices.The G3PH-5150B is also used in many consumer electronic products. It can provide reliable switching of audio and video signals, control of motors used in CD and DVD players, and switching of power supplies in LCD and plasma TVs.

Working Principle

The working principle of the G3PH-5150B SSR is relatively simple. An electrical voltage is applied to the control input, which creates a magnetic field that drives a spring-loaded armature. The armature physically operates a contact, which completes the circuit and allows current to flow. When the voltage is removed from the control input, the armature returns to its original position and breaks the contact, stopping the current.The G3PH-5150B uses a similar principle but instead of relying on physical movement to complete the circuit, it utilizes a semiconductor switching device — like a thyristor or a triac — to switch power on and off. This type of SSR has the advantage of being able to switch very quickly and with very little power in comparison to its mechanical counterpart.

Conclusion

The Omron G3PH-5150B DC5-24 is a solid state relay (SSR) designed to switch AC power from 5VDC up to 24VAC. This particular SSR is approved for use in industrial and automotive applications and is suitable for a variety of uses, including motor starting, digital and video signal switching, motor speed control, and power supply switching. Its simple design allows it to switch power quickly and with minimal power, leading to increased efficiency and longer component life.

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