3-1393809-4

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Signal relays up to 2 amps are used in a variety of applications because they provide galvanic isolation and electrical control for higher voltage circuits. The 3-1393809-4 is a common drop-in device for such applications. When wired with a common SPDT (single pole double throw) circuit, the 3-1393809-4 can be used to control two separate electrical devices.

The common circuit of the 3-1393809-4 consists of four terminals, two for switch control, one for the power source, and one for the load. When power is supplied to the power source terminal, current flows through the small switch. This small switch is used to activate the large relay, which closes and supplies the current from the power source to the load. The small switch is controlled by a signal from the switch control terminals. When an electric signal is applied to the switch control terminals, the small switch will open and the current will stop flowing through the relay resulting in the large relay opening.

The 3-1393809-4 is available in different voltage and current configurations. It can be used to control either AC or DC devices and can support up to 2 Amps. It can be used in applications that require switching between either two electrical components, two different levels of voltage, or two different current flows. The 3-1393809-4 is a dependable, versatile, and reliable device.

The 3-1393809-4 is used in a variety of applications to provide efficient switching of electrical devices. It is used in many HVAC (heating, ventilation, and air conditioning) systems to control fans, motors, and compressors. It is also utilized in security systems to control motion sensors and other detection devices. The 3-1393809-4 is also used in the medical industry to achieve accurate switching in different diagnostic and lab equipment.

The reliable operation of the 3-1393809-4 is due to its simple working principle. When power is supplied to the power source terminal, current flows through the small switch. This small switch is used to activate the large relay, which closes and supplies the current from the power source to the load. The small switch is controlled by a signal from the switch control terminals. When an electric signal is applied to the switch control terminals, the small switch will open and the current will stop flowing through the relay resulting in the large relay opening.

The 3-1393809-4 provides galvanic isolation and accurate control for any application requiring switching of electronic devices up to 2 Amps. Its dependable operation and versatility make it a popular choice for many applications. With the 3-1393809-4, engineers have the assurance of a reliable, efficient, and cost-effective device.

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