HE721A1200

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Reed relays are electromagnetic switches used in a variety of applications, from biological and chemical labs to consumer electronics. The HE721A1200 is a unique type of reed relay featuring an on/off lifecycle that operates on a "polarization" principle, whereby the contacts are released or engaged by the reversal of of an electric current. This product is often used in applications which require tight parameters for contact operation time and switching cycles.

The HE721A1200 utilizes a hermetically sealed reed switch that is resistant to environmental degradation, thus functioning efficiently in any environment. The relay has a maximum carrying current of 10A and peak voltage of 300V at a frequency of 1 MHz. Its characteristic impedance is 5 ohms, offering maximum power ratings of 800mW. The HE721A1200’s self-locking spring mechanism resists vibration and shock up to 200G. This feature also ensures that the contacts remain closed when power is removed.

The HE721A1200 is equipped with protective covers, making it ideal for use in hazardous environments. In addition, it can be combined with other special purpose relays for access control, temperature control and fire alarm systems. It can also be used for a variety of communication applications, such as modems, ISDN systems and ADSL modems. The HE721A1200 can also be used in industrial and agricultural equipment, including solenoids, limit switches, vending machines, and irrigation controls.

The working principle of the HE721A1200 relay lies in the way it uses a permanent magnet to change the state of its contacts. When the coil of the relay is energized, a magnetic field is created, attracting the permanent magnet armature and resultant contact arm. The aramature touches the two movable contacts located on either side of the relay, thus connecting them. This completes the circuit and allows an electrical current to flow. When the coil is de-electrified, the magnetic field dissipates and the aramature is pushed back to its original position, disengaging the contacts and thus breaking the circuit.

The HE721A1200 is manufactured with double-winding coils, allowing for higher levels of power conservation and reduced heat dissipation. Furthermore, its small size makes the HE721A1200 an ideal solution for space-constrained applications. It is also resistant to short circuits and can work without interruption for a long time.

In summary, the superior performance and reliability of the HE721A1200 make it an ideal choice for demanding applications. Its unique polarization technology, combined with its long-life characteristics, is perfect for switching and controlling applications in a wide variety of fields. From chemical and biological labs to industrial and agricultural equipment, the HE721A1200 will provide reliable, repeatable results.

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