ALE74B05

Turn On Voltage (Max):	3.75 VDC
Coil Resistance:	125 Ohms
Coil Power:	200 mW
Contact Material:	Silver Tin Oxide (AgSnO)
Operating Temperature:	-40°C ~ 85°C
Termination Style:	PC Pin, Quick Connect - 0.187" (4.7mm)
Mounting Type:	Through Hole
Features:	Insulation - Class B
Release Time:	25ms
Operate Time:	20ms
Turn Off Voltage (Min):	0.25 VDC
Series:	ALE
Switching Voltage:	277VAC - Max
Contact Rating (Current):	16A
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	5VDC
Coil Current:	40.0mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Bulk

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Power Relays, Over 2 Amps: ALE74B05 Application Field and Working Principle

Power Relays are ideal input/output devices designed to control electrical systems in various applications. The ALE74B05 Power Relay, in particular, was designed to provide reliable, configurable, and versatile control for industrial, process control, residential, and consumer applications under a range of operating conditions. This relay is suitable for controlling high-power loads of up to 2A, and it has a variety of features and advantages that make it a great choice for many applications. In this article, we will discuss the application field and working principle of the ALE74B05 Power Relay.

Application Field

The ALE74B05 Power Relay is suitable for a variety of applications, including the following:

• HVAC Applications: The ALE74B05 is ideal for use in HVAC applications, due to its high-power handling capabilities and configurable features. It can be used to control the operation of heating, ventilation, and air conditioning systems in residential or commercial buildings.
• Process Control Applications: The ALE74B05 can be used to control industrial processes, such as the operations of conveyor belts, material handling systems, and other automated processes. It has the ability to provide reliable and robust switching up to 2A.
• Consumer Applications: The ALE74B05 can be used in consumer applications, such as bathroom fan switching, vending machine switching, and many other applications. Its configurable and versatile design make it well suited for consumer applications.

Working Principle

The ALE74B05 Power Relay works on the principle of electromagnetic attraction. When current in the coil of the relay is switched on, it produces a magnetic field around the coil, which in turn attracts the internal armature of the relay. This motion closes the switch contact of the relay, thus allowing current to flow where it is intended.When the current in the relay coil is switched off, the magnetic field around the coil dissipates, and the internal armature is released under the force of the spring and the switch contact is opened. This deactivates the circuit, thus interrupting the flow of current and preventing any further current from flowing.

Benefits and Advantages

The ALE74B05 Power Relay is a reliable and versatile device, providing many benefits and advantages over other relays and devices of its class:

• High-Power Handling Capabilities: The ALE74B05 has high-power handling capabilities up to 2A, making it suitable for controlling large current loads.
• High Reliability: The ALE74B05 has a high level of reliability, meaning it can provide years of reliable operation without any issue.
• Switching Accuracy: The ALE74B05 has the ability to switch with precision, ensuring that the output devices connected to the circuit are accurately controlled.
• Configurable Features: The ALE74B05 is highly configurable, allowing it to be used in a wide range of applications.
• Cost Effective: The ALE74B05 is highly cost-effective, making it a great choice for both commercial and residential applications.

Conclusion

The ALE74B05 Power Relay is a versatile and reliable device designed for a variety of applications. It is suitable for controlling high-power loads of up to 2A, and its configurable features make it a great choice for HVAC, process control, and consumer applications. Additionally, the ALE74B05 works on the principle of electromagnetic attraction, and it has several benefits and advantages over other relays and devices.

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