RRU120

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A RRU120 is a solid-state power relay that is rated for up to 2 Amps. It is designed to switch power on and off without any interruption in service when it is used as an automatic load controller or as a protection device for heavy electrical loads. The RRU120 is used in many industries to provide reliable control of power-switched equipment.

RRU120 has three operating modes: manual, repeat cycle and timer. The manual mode is used to control the power flow while the repeat cycle mode is used to turn the power on and off for repeatable time intervals. Finally, the timer mode is used to control the power flow on a time-lapse basis. All three operating modes can be combined in any power-switched application.

The application field of the RRU120 power relay includes residential and commercial air conditioners, oil and gas heating and cooling systems, hot water heaters, and lighting systems. It is also widely used in the industrial sector for controlling motor-driven machinery, such as pumps, motors, and conveyors.

The RRU120 is designed to ensure reliable current switching control. It has an overvoltage protection feature that reduces the risk of current overload or short-circuiting. The device also has an automatic self-test feature that can detect any change in current conditions that may cause a system failure. This feature helps to ensure the safe operation of the relay.

The working principle of the RRU120 power relay is based on its capacitive bridge rectifier. This device uses a capacitor connected across two oppositely charged diodes to switch current in either direction. The voltage across the diodes is controlled by the resistance of the bridge, which is then monitored by the relay to ensure a stable current is supplied to the application.

The RRU120 can be used in a wide variety of applications due to its versatility and reliability. It is an ideal choice for residential and commercial applications where current switching or protection is required. Additionally, the RRU120 can be used in industrial settings where precise current control is necessary.

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