What is UZM-51M and how is it connected?
- Device features
- an appointment
- Appearance and design
- Operating principle
- Wiring diagram
Main functions of UZM-51M:
- Two-level protection against overvoltage, with delayed shutdown;
- Two-level system of protection against voltage drops, with delayed shutdown;
- Semiconductor, capacitor surge damping system;
- Ability to remotely control, enable and disable ultrasound;
- Wide range of thresholds.
By the way, the relay RN-106 (Novatek) is a close analogue of the UZM-51 protection device.
Many are interested in what UZM-51M is. This device is designed to disconnect and protect electrical appliances when the mains voltage exceeds specified limits. It is used to protect against neutral breakage in local networks, as well as from the harmful effects of high-voltage surges that occur during the operation of electric motors, magnetic starters, and other powerful devices. It absorbs impulses in an internal chain.
Appearance and design
You can see what the UZM-51M looks like in the photo below:
As for the design of the device, the multifunctional protective device is a voltage monitoring relay having a powerful electromagnetic relay at the output, which is also equipped with capacitor protection. The terminals have a tunnel design, which makes it possible to install wires with a cross section of no more than 35 mm2. The front side of the USM is equipped with two indicators.
The first indicates “norm” and “alarm” status respectively, green and red. The second, yellow, indicates the inclusion of relay contacts. In addition, on the front side there is a “Test” button, designed for manual control of the device (you can turn on the loading yourself). Also, like the voltage relay, the UZM-51M has regulators for the upper and lower protection thresholds.
It is also important to explain how the UZM-51M works. After turning on the device in the network, there is a time delay before turning on, at this moment the input voltage is measured.If the voltage is within acceptable limits, the green indicator turns on – the device is ready for operation, and power is supplied to consumers. Otherwise, the yellow indicator lights up and the load is not connected to the network.
If the voltage during operation of the ultrasound scanner approaches the upper threshold, the yellow LED begins to flash, and when it passes beyond it, the load turns off, the red light lights up. This indicates an increase in the specified parameters. If the voltage drops to a minimum, the green LED starts flashing, and when it exceeds the specified limits, the red indicator lights up and flashes.
When you press the test button on the device case, the red and green LEDs alternately switch on, and the load is disconnected from the network. To return to working condition, it is necessary to press the test button again.
In the first figure, four is a wire connection diagram. Above is the input of the network wire, below is the output to consumers. In the second form, a three-wire circuit, where the phase wire enters and leaves the device, and zero is used to power the ultrasonic circuit. In the third phase – the remote control circuit of the ultrasound scanner, the zero feeds the device through a switch, and the phase is switched by the device, supplying voltage to the load.
We also recommend that you look at the diagram of how to connect an ultrasound scanner to a single-phase network of an apartment or house:
So we examined the communication features, device and purpose of the UZM-51M. We hope that the information provided will be useful and interesting for you!
If you have any inquiry, please contact us freely and we will be happy to serve you.
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