1-1393819-1

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Signal relays, up to 2 amps, are electrical switches that open and close contacts to control power to various circuits. The 1-1393819-1 is a single-pole double-throw (SPDT) signal relay that enables a range of device control applications. Not only used in high-level circuit switching applications, they are also commonly employed to switch low-level signals (current and voltage).

Application Field

This particular signal relay is suitable for motor power switching, DC lamp control, home appliance power supply control, AC voltage monitoring, control automation, process control, industrial machinery control, communication circuit switching and instrumentation. The 1-1393819-1 is most commonly used in low-level circuit switching with low-level current and voltage signals. Its applications range from controlling DC motors, activating lights, inverters and PLCs (programmable logic contollers) to providing intelligent control in automated weighing and dispatching systems.

Design & Working Principle

The 1-1393819-1 is a miniaturized 12V DC SPDT signal relay. It boasts a large contact capacity of 2A when at 25°C, with a maximum carrying current rating of 10A. Its contact resistance is as low as 50mΩ and is available with an advantageous coil consuming only 5.7 W. It has a single armature, with a SPDT switch contact connected to the coil for power switching. It has a pronounced force-guided contact design for maximum reliability in switching operations. The single armature, SPDT switch contact, and coil are all protected by an encased resin casing.

The 1-1393819-1 has two distinct modes of operation: NC (normally closed) and NO (normally open). In the NC mode, when the power is applied, the contact will stay closed until the coil is triggered by a signal. In the NO mode, when the power is applied, the contact will stay open until the coil is triggered by a signal. In either mode, when the coil receives the signal, it activates the armature to open or close the contact, depending on the mode.

Advantages

The 1-1393819-1 has a number of advantages, including its small size, which leads to increased packing density, meaning more relays in the same space. It also boasts high switching reliability, with force-guided contacts ensuring that the contacts will stay in their respective positions after being switched. This relay also has a very low contact resistance, meaning it is capable of controlling devices with even smaller currents. Because of its low power consumption, it also offers a significant decrease in energy costs. Finally, it is economically priced, making it viable for use in a range of applications.

Conclusion

The 1-1393819-1 SPDT signal relay, with a maximum contact capacity of 2A and low power consumption, is ideal for many circuit switching applications. Its compact size, high switching reliability, and low contact resistance make it a both reliable and economical choice of signal relay. With its wide range of applications, from controlling motors to activating lights, the 1-1393819-1 is sure to be a perfect fit for your project.

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