2866019

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Current and voltage monitoring relays are reliable protection equipment which is designed to respond to electrical currents and voltages abnormally beyond the set parameters. 2866019 is one of that kind, with characteristics of precise, reliable and easily operated. It is widely applied for low-power current or voltage range monitoring and measuring, overcurrent, 90° narrow phase different protection, overload protection of three-phase equipment, over/undervoltage protection and more.

Application Field

2866019 monitoring relay is designed for protection of overload, underload and low-power 3-phase motors or others. It can also be used for earth leakage protection and monitoring of earth-fault current. It can be applied to 0.2A or 1A current transformer measuring signals, and measurable range of voltage signal is 0-300V. It has high overload protection accuracy, small time-lag, large current resistance, and can withstand up to 8000V under working status. This three-phase monitoring relay is the optimal choice of protection for AC 50/60HZ circuits, suitable for 400V circuit as well.

Working Principle

The core of 2866019 monitoring relay is its microprocessor-based control unit. It collects current or voltage from the tested route that is linked with current transformer. After being collected, those signals are digitalized, processed and intelligently judged by the control unit. It has a 3-phase display screen and an LED indication on it, and indicators shows monitoring signals of three phases sequentially. If the monitored signals exceed the set up parameters, alarm signal will be outputted, and the alarm function is adjustable. Other than that, this relay features with adjustable delay time, and timer function as well.

To sum up, 2866019 monitoring relay is a perfect choice for three-phase currents and voltages protection. Given its high accuracy, great overload power, and adjustable parameters, this monitoring equipment is popular in most industrial fields.

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