H3JA-8A 12VDC 3S

Series:	H3JA
Part Status:	Obsolete
Mounting Type:	Socketable
Relay Type:	Mechanical Relay
Function:	On-Delay
Circuit:	SPDT (1 Form C)
Delay Time:	0.3 Sec ~ 3 Sec
Contact Rating @ Voltage:	7A @ 250VAC
Voltage - Supply:	12VDC
Termination Style:	Plug In, 8 Pin (Octal)
Timing Adjustment Method:	Hand Dial
Timing Initiate Method:	Input Voltage

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Time Delay Relays

Time delay relays are electrical switches that activate after a set amount of time has passed. They are commonly used in a variety of applications including security systems, power conditioners, and timers. The particular type of time delay relay in question is the H3JA-8A 12V DC 3S, which is designed for a variety of industrial control systems.

H3JA-8A 12V DC 3S Application Field

The H3JA-8A 12V DC 3S time delay relay is a modular relay suitable for industrial control systems. It is commonly used in various industrial applications such as water treatment, wastewater treatment, chemical processes and metering operations. It can also be used as an industrial timer for machine tools, conveyor systems and packaging machines.

H3JA-8A 12V DC 3S Working Principle

The H3JA-8A 12V DC 3S time delay relay has a simple working principle and consists of three main components: an input device, a power source, and a timer.The input device, such as a push button, switch, or a sensor, is used to trigger the power source. This is typically a 12V DC power source. When the input device is triggered, the power source is activated which sends an electric current to the timer.The timer is set to a specific delay and during this time, the electric current is stored in the timer. When the timer reaches its predetermined delay, the electric current is released and triggers the output device. The output device is typically an electric motor, light, switch, or valve.

Conclusion

The H3JA-8A 12V DC 3S time delay relay is a reliable and durable component designed for industrial control systems. It is used to control a variety of applications, including water treatment, wastewater treatment, chemical processes, metering operations, machine tools, conveyor systems, and packaging machines. The working principle of the relay consists of an input device, a power source, and a timer configured to a specific delay. When the timer reaches its predetermined delay, the electric current is released and triggers the output device.

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