T90N1D12-18

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Power Relays, Over 2 Amps

The type T90N1D12-18 is an electromagnetic relay designed for use in power applications where switching currents are over 2 Amps. Typically, these relays are used in industrial and home applications such as motor starters, HVAC systems, lighting controls, and security systems. The type T90N1D12-18 provides a reliable and dependable means for controlling and switching high current applications.

Construction

The type T90N1D12-18 is designed for single phase on/off switching applications. This relay utilizes an encapsulated reed switch, dielectric medium, and an electromagnetic coil to accomplish its purpose. The combined components are enclosed in a plastic housing which protects them from dust, moisture, and other environmental conditions. This also helps to prevent electrical shock and short circuiting.

Operation

The type T90N1D12-18 uses an electromagnet to provide the force necessary to activate the internal reed switch. The user initiates this operation by providing an external voltage supply to the electromagnetic coil. This causes the coil to create a magnetic field which activates the reed switch and connects the voltage supply to the load. Once the voltage supply is removed from the coil the reed switch deactivates and disconnects the voltage supply from the load.

Features

In addition to its reliability and dependability, the type T90N1D12-18 offers several other features which make it suitable for various power switching applications. Its construction allows the relay to be selectively triggered by both AC and DC voltage supplies. Additionally, it is designed to operate over a wide temperature range (-55°C to +55°C). Finally, the contacts are rated for maximum currents up to 18 A.

Application Examples

The type T90N1D12-18 can be used in numerous power applications. Its versatile design lends itself well to such applications as motor starters, HVAC systems, lighting controls, and security systems. For example, a T90N1D12-18 could be used in a motor starter by connecting the coil of the relay to a power source and connecting the contact of the relay to the motor. When the relay is activated, the motor will receive power and begin to run. When the relay is deactivated, the power supply to the motor will be cut-off and the motor will turn off.

Conclusion

The type T90N1D12-18 is a reliable and dependable power relay capable of controlling and switching currents up to 18 A. Its construction ensures that it can be used in a wide range of temperature conditions and in both AC and DC circuits. This particular relay is particularly well suited for applications such as motor starters, HVAC systems, lighting controls, and security systems.

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