Series:	H3Y
Part Status:	Active
Lead Free Status / RoHS Status:	--
Relay Type:	Mechanical Relay
Moisture Sensitivity Level (MSL):	--
Function:	Off-Delay, On-Delay
Circuit:	4PDT (4 Form C)
Delay Time:	2 Sec ~ 60 Sec
Contact Rating @ Voltage:	3A @ 250VAC
Voltage - Supply:	100 ~ 120VAC
Mounting Type:	Socketable
Termination Style:	Plug In
Timing Adjustment Method:	Hand Dial
Timing Initiate Method:	Input Voltage

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Introduction to Time Delay Relays: H3Y-4 AC100-120 60S

Time delay relays are electrical devices used to automate the operation of electrical circuits by introducing a predetermined delay when engaged. The H3Y-4 AC100-120 60S is a commonly used time delay relay. It is designed to provide a precise and adjustable time delay of up to 60 seconds when activating or deactivating the connected circuit.

Components of a Time Delay Relay and How It Works

A time delay relay consists of several main components, including a timer, a set of contactors, a power source, and optionally, a display or indicator circuit. The timer is a mechanical, electric or electronic component that produces a time delay when triggered. The contactors are sets of electrical contacts which can be opened or closed to activate and deactivate the connected circuit. The power source is the voltage source that energizes the time delay relay. Finally, the display or indicator circuit is an optional feature which provides visual feedback about the current status of the time delay relay.When the time delay relay is triggered, electricity flows through the timer, usually a resistor or capacitor, and a voltage or current waveform is produced. This waveform is then used to control the set of contactors, which can be either open or closed, depending on the type of the relay. Once the desired time delay has elapsed, the contactors open or close, activating or deactivating the connected circuit respectively.

Features of the H3Y-4 AC100-120 60S Time Delay Relay

The H3Y-4 AC100-120 60S relay features a timer with adjustable settings for up to 60 seconds of delay. This delay could be adjusted via an external voltage or an internal potentiometer. It also features four normally open and four normally closed contact points which can be used to control various electrical circuits. Additionally, this relay has a built-in indicator light which indicates the status of the relay, whether it is triggered or not.

Applications of the H3Y-4 AC100-120 60S Time Delay Relay

The H3Y-4 AC100-120 60S time delay relay is often used in industrial applications with multiple time-critical processes. It is particularly useful in automated processes where a delay response time of up to 60 seconds is required. Some common applications include controlling solenoid valves, lighting control systems, motor control, traffic control systems, and security systems. In the industrial automation sector, this relay is also used to prevent damage to high-value components in the event of an error or delay in the process. This is because the delay allows the operator to intervene before an expensive or potentially dangerous process can take place.

Conclusion

The H3Y-4 AC100-120 60S is a time delay relay that is commonly used in various industrial and automation applications. It is designed to provide accurate and adjustable time delays up to 60 seconds, allowing operators to intervene to prevent damage to expensive components or processes. Additionally, this relay features four normally open and four normally closed contact points, as well as an indicator light which provides feedback on its current status.

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