LM317T Voltage Regulator with Pass Transistor

VR-N series Voltage Stabilizers by Krauler The main reason that causes the laptops, computers, TV sets and other expensive equipment to break down is a voltage drop. It is well known that consumer devices are designed to be used at 220-230V. But the real voltage in the mains often varies from 150 to 280V. Voltage stabilizer is a device that automatically converts high/low voltage in stable 220V.There are three different power options for KRAULER stabilizers of the N series: 1000, 2000 and 3000 volt-amperes (VA). The higher the power value is, the higher are the total power and the number of various devices which may be connected to the stabilizer. The work of stabilizers of this series is based on a simple, but very effective relay circuit. On the left side of the device there is a LED display, showing the current value of voltage. The digital display is very convenient to control the input and output voltages, its indications are well read, even under fairly bright illumination. The display shows the input voltage. At voltages beyond the permissible values, the protection system activates. If the voltage drops below 140V, the LED indicator lights up the letter L, signaling of a low level of voltage. If the voltage exceeds the maximum permissible value, the letter H is displayed. In the case the voltage continues to increase, all the connected devices will be disconnected from the power supply to avoid faults and damages.There are five sockets on the reverse side, which ...



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