JS1A-B-6V

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Power Relays, Over 2 Amps

A JS1A-B-6V is an electromechanical switch made to provide a connection from a remote point to a control system. Electromechanical relays are most commonly used in industrial applications where the current flowing through the system exceeds 2 amps. It can also be used to protect against over-current or short-circuit conditions.

Application Fields of JS1A-B-6V Relays

The application field of the JS1A-B-6V relay specifies its capacity to provide a connection between two circuits, relieving or protecting a main control circuit from excessive loads or currents. This model is commonly used in electrical equipment and controllers, such as motor and fan speed controllers, fan motor starters, and pumping equipment. It is also frequently used to control lighting systems, and has been used in refrigeration compressors to provide protection against very high currents.

Working Principle of the JS1A-B-6V Relay

The working principle of a JS1A-B-6V relay is based on the use of a coil to induce an magnetic field and thus create a moving armature, which can connect two current circuits. The armature is normally open and is kept in place by a spring. Depending on the design of the coil, it can be used to switch from a single pole, normally open (SPNO) circuit, or a double pole, normally open (DPNO) circuit. The JS1A-B-6V relay consists of two pairs of changeover contacts. When the current passing through the coil is interrupted or diverted, the field collapses, and the armature is released, thus closing the contacts.

Summary

A JS1A-B-6V classified as a Power Relays, Over 2 Amps is an electromechanical switch model that is used in industrial applications, especially where the current flowing through a system exceeds 2 amps. Applications include motor and fan speed controllers, lighting systems, and refrigeration compressors. The working principle of the JS1A-B-6V relay relies on a magnetically induced armature to switch between circuits which provides protection against over-current or short-circuit conditions.

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