ALDP112W

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Power relays are essential for power management in electronic systems. The ALDP112W is an ideal choice for designers looking for an efficient and reliable power relay. It’s rated for over 2 Amps, with high-temperature and overload protection built-in, and it’s available in a range of sizes, styles, and contact configurations.

Applications

The ALDP112W is a versatile power relay designed to withstand high current load levels. It’s commonly used in medium voltage switchgear and motor control circuits, for current control up to 2 Amps. It’s also great for uninterruptible power supply (UPS) systems, fire alarm systems, and industrial process control circuits.

It is part of a series of advanced power relays made by ALDP, and is based on a vacuum interrupter technology that extends its life and ensures safe and reliable operation. The ALDP112W is designed to conform to UL, CSA and VDE standards, and is also CE certified.

Features & Benefits

The ALDP112W has a wide variety of features that make it ideal for a variety of applications. Here are a few of the features and benefits:

• High-temperature and overload protection with thermistor/resistor sensing
• Selectable contact configurations, including 1C/2C, make/break, and alternating configurations
• Multiple mounting styles – DIN-mount, Groove-mount, and Pane-mount
• Variety of sizes, including full-size and mini-size
• Long life with superior protection from dust and dirt

Working Principle

The ALDP112W uses a vacuum interrupter as its main component. It is a sealed tube filled with a special gas and enclosed in an insulator. Inside the tube is a metal strip with two wings, each with its own contact. When a signal is applied to the strip, it causes the wings to move and make or break the circuit.

The ALDP112W also uses an electromagnetic coil to operate and release the contacts. When the coil is energized, the metal strip is pulled inwards, which closes the contacts and completes the circuit. When the current to the coil is cut off, the spring force pulls the contacts open, breaking the circuit.

The ALDP112W also features an integrated over current protection circuit that will protect the relay and other components in the circuit from overload. The over current protection will activate when the current exceeds the pre-specified level.

The ALDP112W is a versatile and reliable power relay that can handle high current loads and provide superior protection against overload and dust. Its wide range of sizes, contact configurations, and mounting styles make it an ideal choice for any power management application.

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