ALZ12B4HW

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The ALZ12B4HW is a power relay made for switching loads exceeding 2 amps. It is a single-pole, normally open contact type relay with a mechanical form factor that is ideal for panel-mount fitting. This reliable relay\'s coil requires minimal activating power, making it greatly suitable for use with relatively low power input sources. It also has good insulation class ratings and quick dielectric properties.

Applications

ALZ12B4HW power relays are typically used in industrial and commercial appliance applications to control or switch high power loads such as lights and motors. They can also be used as an interface between automated control systems and devices such as lights, fans, and HVAC systems. Some other common uses for this relay include: controlling water and air pumps, electricity demand control, HVAC systems, pool pumps, in machine control meters, and in electrical circuit-breaker controls.

Working Principle

When the current is applied to the coil of the ALZ12B4HW relay, a magnetic field is generated. This magnetic field attracts an armature connected to the contact and when it is attracted to the right position, the contact opens. When the current is removed from the coil, the magnetic field is released and the armature is retracted, which closes the contact. This is the basic working principle of the ALZ12B4HW power relay.

These relays are built for heavy load switching applications. They are made with three-layer insulation for higher strength insulation and longer life. The insulation contact slot is designed to ensure good contact, reduce arcing, and prevent damage from occurring. The block design holds the internal parts in place and allows for convenient housing installation in wiring systems. The contacts of the ALZ12B4HW relay are designed to be corrosion-resistant and can be used for a long time without malfunction.

The ALZ12B4HW power relay is rated for a maximum current of 20A and is able to switch 230V AC at a maximum power of 4.7KW. The maximum switching frequency is 120c/s or 10HZ, and the maximum initial electrical life is 10,000 times. This reliable relay is compatible with all kinds of low power input sources, making it an ideal choice for commercial and industrial applications.

The ALZ12B4HW power relay is an effective and reliable switching device for high power loads. With its low activating power requirement, corrosion-resistant contacts, and long life, it is suitable for a wide variety of applications. Its superior insulation class ratings and good dielectric properties make it the ideal choice for industrial and commercial appliance applications.

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