HC4ED-L-DC12V

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Signal Relays, Up to 2 Amps

Signal relays up to 2 amps are designed to switch electrical signals, such as voltage or current, in extremely low-power circuits. This is done by using a number of components—including a control coil, contact points, and an actuator—that allow for a current to pass through. The HC4ED-L-DC12V is one such device.

The HC4ED-L-DC12V is a signal relay made by Panasonic Electric Works, capable of handling up to 2 amps of load. It consists of a hermetically sealed, all-metal design that includes a sensitive coil, a pair of normally open contacts, and a long-life actuator. The device also incorporates a few features specifically designed to reduce power consumption and increase longevity. It consumes only 8mA of input current, has a functional life of 10 million operations and has a surge-resistant contact rating.

The signal relay has many applications in both digital and analog systems. It is often used for switching low-power signals such as in security systems, detectors, and automotive applications. It is also used in communication applications such as for modem and fax line switching. The HC4ED-L-DC12V is an ideal choice for applications that require a low-power and reliable switch.

Working Principle

The working principle of the HC4ED-L-DC12V is quite simple. It consists of an electromagnet that is powered by a DC voltage. When the voltage is applied to the electromagnet, it produces a magnetic field in the vicinity of the movable contact arm. This magnetic field attracts the contact arm which then completes the circuit, allowing a current to flow through it. When the voltage is removed from the coil, the contact arm is no longer being pulled by the magnetic field and instead resumes its normal open position.

The uniquely designed contact arm of the HC4ED-L-DC12V is also an important part of its design. The arm is designed to provide a certain amount of flexibility, meaning that it can withstand both vibration and shock without causing any damage to itself or to the device. This makes the HC4ED-L-DC12V more reliable and durable in comparison to other similar products.

The HC4ED-L-DC12V signal relay is an innovative device that makes it easier to integrate switching and sensing functions into existing and new systems alike. Its hermetically sealed, all-metal design ensures that the relay is resistant to damage caused by dust and dirt, while its low power consumption and durability make it an ideal choice for many applications.

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