DWRA380A

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The DWRA380A belongs to a range of current and voltage monitoring relays. It offers protection for motors, generators and transformers that may become overloaded or jam due to faults or abnormal load conditions. The DWRA380A is capable of monitoring two separate phases, allowing for independent protection for each phase.

The DWRA380A uses an array of inputs to detect conditions such as current, overload or short-circuit, and the alarm outputs allow for the relay to be triggered when the monitored conditions exceed a set threshold. This relay can also be used to control circuit breakers, allowing for critical machinery to be shut down in the event of an over-current.

The DWRA380A comes with an adjustable time delay feature which allows the relay to be adjusted for different load and environment conditions. It also offers adjustable threshold settings on both the current and voltage inputs, allowing for each phase to be configured independently. This also allows for individual circuit breakers to be opened in the event of an overload or short-circuit.

The DWRA380A utilizes a two-part system: the main unit and the I/O unit, which are both connected to the monitored device. The main unit monitors the current and voltage being supplied to the device and sends this information to the I/O unit, which triggers the relevant output relay depending on the input values it receives. Multiple output relays can be triggered simultaneously, allowing for rapid shutdown in the event of an overload or short-circuit.

The DWRA380A also offers detailed visual indication and data logging capabilities, allowing users to track the performance of their monitored device. Reports can be generated which show changes in the current and voltage values over time, giving engineers more detailed insight into how their machinery is performing.

In summary, the DWRA380A is an extremely versatile current and voltage monitoring relay which offers superior protection for motors, generators and transformers from potential over-current or overload conditions. The adjustable time delay and threshold settings make it an ideal solution for applications with varying load and environment conditions. Its visual indication and data logging features provide users with additional insight into the performance of their monitored device.

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