H10D4890

Series:	H10D
Packaging:	Bulk
Part Status:	Obsolete
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	4 ~ 32VDC
Voltage - Load:	48V ~ 530V
Load Current:	90A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	--

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Introduction to H10D4890 Solid State Relays

Solid State Relays (SSR) have been increasingly utilized in industrial applications, where the high voltage or current of an external power source needs to be switched on or off electrically. The H10D4890 is one of the many types of SSRs available in the market today.

Overview

The H10D4890 is an industrial-grade SSR designed for rugged purpose-built environments. It features a compact design that allows for easy installation, as well as a wide operating temperature range (from -45°C to +85°C). The device is well-suited for applications where precise control of voltage and current is required and in environments where high-vibration and mechanical shock are expected due to the rugged design.

Application Field

The H10D4890 can be used in a wide variety of applications. These include using it as an AC switch, as a DC switch, in motor control, and in flexible resistor networks. The device can also be used as a temperature control, to regulate a vacuum or to regulate the flow of a fluid or air. Additionally, it is an ideal solution for applications requiring a large-current and high-reliability, such as high-end motor cars and power grid systems.

Working Principle

The H10D4890 utilizes a special semiconductor device to switch electrical power. This device, typically known as an opto-isolator or an optocoupler, consists of two terminals which are electrically insulated from one another. The “input terminal” contains a light sensitive device, often an LED or a phototransistor. This device is in turn connected to a control signal which will switch the LED/phototransistor on or off, respectively switching the current flow on or off. On the “output terminal” of the optocoupler, the current flow is regulated by a special triac component. This triac acts as a switch, allowing current to flow or not, depending on the control signal. The H10D4890 is designed to provide precise control over the triac and to respond quickly and accurately to the control signal.

Conclusion

The H10D4890 is an industrial-grade SSR that is designed for a broad range of high-reliability applications. It features a compact design, a wide operating temperature range, and excellent high-voltage and current control response. The device utilizes an opto-isolator circuit to precisely control current flow and is well-suited for applications that require reliable performance in conditions of high-vibration and mechanical shock.

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