LIRT220A

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The LIRT220A is a current/voltage monitoring relay with relay output, designed to measure and monitor AC and DC signals. It is a multi-level device with two set-point controls and a relay output. It is one of the most popular monitoring relays in the industry.

The LIRT220A has a wide range of applications. It can be used to measure and monitor AC and DC signals, including line voltages, overcurrent, overvoltage, undervoltage, and two-phase symmetry. It is also suitable for monitoring DC and AC motors, PLC control systems, charging systems, UPS systems, generators, and other systems. It can be used to detect phase imbalance, phase reversal, phase failure, phase-to-ground contact, and other irregularities.

The LIRT220A measures and monitors the current or voltage signals with two set-point controls. The first set-point control is used for monitoring the upper and lower band limits, while the second set-point control is used for selecting the operation time delay. The relay output will be triggered when the alarm threshold is breached or when the delay time passes. The relay output is also used to control the disconnect feature of the relay.

The LIRT220A is easy to install and configure. It can be mounted on a DIN-rail or a circuit board. The display provides a visual indication of any measurement or alarm values, along with other status information. The set-up is simple and requires no special tools. The monitor is also equipped with a built-in self-test feature, which tests the whole relay system for proper operation.

The LIRT220A is ideal for monitoring power quality in industrial plants, as well as providing protection against power outages, power surges, and load shedding. It is also used to detect dangerous abnormality in electrical signals and to prevent accidental tripping of system components. The relay can be used in a wide range of applications, from industrial plants to residential and commercial buildings.

The LIRT220A is a reliable and cost-effective monitoring relay. Its accuracy and durability make it an ideal choice for most applications. It is an essential component of any system that requires accurate monitoring and control. It can also provide an early warning system for potential problems, allowing for quick corrective action.

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