1301260251

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1301260251 Application Field and Working Principle

The 1301260251 is a thermal overload relay which is mainly used to protect electrical equipment and circuits from overheating and overload. It is widely used in various types of industrial equipment. It can be used to limit motor starting current, prevent motor overload and protect electrical circuits and equipment from voltage surges. In addition, it can be used in domestic use such as meat grinder, bread machine, electric kettle, electric glassware, etc.

This thermal overload relay has a working principle based on the thermistor principle.Basically, this relay uses a thermistor to detect temperature changes in the circuit.The thermistor is connected to a small current source, and its resistance changes as the temperature in the circuit changes. When the temperature reaches a certain level, the thermistor will generate a voltage that triggers the relay, so that the current will disconnect from the circuit and stop the equipment from working.

Another type of 1301260251 is a digital overload relay. This type of thermal overload relay works in a similar way, but instead of using a thermistor to detect temperature changes, it uses a special programmable microprocessor to detect temperature changes. It is usually used in industrial applications where precise temperature control is required. This type of relay is usually programmed with a specific threshold temperature, which is used to trigger an alarm or shut off the equipment when the temperature exceeds the selected threshold.

The 1301260251 thermal overload relay is typically used in various types of equipment, such as pumps, compressors, electric furnaces, and more. It is mainly used to prevent overloads of the equipment or circuits, which can cause them to be damaged or destroyed. It is also used to limit current surges to reduce the risk of fires. Additionally, this relay can be used to protect electrical circuits and equipment from over-voltage or other surges, as well as to reduce electric noise.

In conclusion, the 1301260251 thermal overload relay is a commonly used device that is used to protect various types of industrial equipment and circuits from overheating, overloads, and voltage surges. It comes in two types, one using a thermistor to detect temperature changes and the other employing a digital microprocessor for precise temperature control. Either way, the 1301260251 thermal overload relay is a safe, effective, and reliable way to protect industrial equipment and electric circuits.

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