H3JA-8C AC200-240 30S

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Introduction to Time Delay Relays

Time Delay Relays are relays with a delay built into the contact’s operation. They are used to provide time delay actuation in many industrial applications. By adding the delay, one can implement timing functions, such as delayed start, delayed stop, and rate of change functions.

H3JA-8C AC200-240 30S Time Delay Relay Working Principle

The H3JA-8C AC200-240 30S is an adjustable time delay relay with an operating voltage of AC 200-240V and a maximum time delay of 30 seconds. The delay is adjustable with a potentiometer. The relay has a single set of normally open (NO) contacts that are activated by an electromagnet.

When the power is switched on to the electromagnet, the NO contacts are normally open. After the power is applied and the pre-set delay period expires, the NO contacts close and the circuit is complete. When the power is switched off, the NO contacts open and the circuit is interrupted. This time delay relay is suitable for a wide variety of applications, such as light switching, water pump control, etc.

H3JA-8C AC200-240 30S Application Fields

The H3JA-8C AC200-240 30S is suitable for a wide range of applications, including:

• Light switching
• Water pump control
• HVAC control
• Building Automation
• Industrial machinery control
• Fire and security applications

The adjustable time delay relay is also suitable for a variety of safety and security applications, such as:

• Emergency Stop
• Door sensing and locking
• Heater cooling delay
• Motion sensing and control

The adjustable time delay relay can also be used in process control applications, where the user can set a delay based on the process parameters. Some typical applications include temperature and pressure control, flow rate regulation, filling machines, etc.

Conclusion

The H3JA-8C AC200-240 30S is an adjustable time delay relay with an operating voltage of AC 200-240V and a maximum time delay of 30 seconds. The adjustable time delay relay is suitable for a wide variety of applications for switching, safety and security, and process control.

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