ALZ51F12TW

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The ALZ51F12TW is a type of power relay designed to handle loads greater than two amps. The relay has a built-in circuit breaker and is designed for fault protection. It is typically used for heavy duty industrial control applications, such as motor control circuits.

Overview

The ALZ51F12TW is a type of power relay designed to switch heavy current loads of greater than two amps. The unit has a built-in circuit breaker that can handle overloads and short circuits. The relay is generally designed for fault protection and can switch up to 120 volts DC or 250 volts AC continuous load at 12 amperes of current.

The unit has a dielectric strength of 1,000 volts AC between coil and contacts. The relay contacts are designed to make and break electrical circuits within seven milliseconds. The relay also has an integrated dustproof/oilproof cover for added protection.

Applications

The ALZ51F12TW is usually used in industrial applications, such as motor control circuits. It is also often used as a backup safety device to protect against false operation of equipment. It is also used to protect against circuit overloads caused by transients, such as lightning or power surges. It can be used in a variety of environments, such as watertight, dustproof or hazardous locations.

Working Principle

The ALZ51F12TW is a type of power relay that uses an electromagnetic coil to switch heavy current loads. The electromagnetic coil is energized by an applied voltage and produces a magnetic field, which moves an armature connected to the contacts. When the magnetic field is strong enough, the armature is drawn into the contact and the contacts close, allowing current to flow.

The relay uses a latching type of operation, which means it will stay in the closed position even when the power to the relay is disconnected. This latching feature can be used to prevent unexpected operation of equipment or to prevent false tripping of the circuit breaker.

The ALZ51F12TW also has a built-in circuit breaker, which will trip when the current exceeds the rated value. This helps to protect the relay from high surge currents and helps to ensure that the contacts do not suffer any damage.

Advantages

The ALZ51F12TW offers several advantages over other types of power relays. The unit has a built-in circuit breaker to protect against overloads. The latching type of operation ensures that the relay stays in the closed position even when the power is disconnected. The dielectric strength of 1,000 volts between the coil and contacts helps to provide added protection against accidental breakdown of the relay.

The relay is designed for reliable operation even in harsh environments, such as oil and dust. The unit has an integrated dustproof/oilproof cover for added protection against environmental elements. The unit is also designed to switch quickly, with an operation time of seven milliseconds.

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