BP/ATM-10ID

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Fuses are one of the most essential elements of electricity and electrical equipment. They are designed to protect against electrical overloads, short circuits, and other potentially dangerous conditions. The BP/ATM-10ID application field and working principle are part of the same family.

The BP/ATM-10ID is a thermal time-delay fuse, designed specifically for electric motors. It features a metal oxide resistor and bimetal discs to delay the startup of electric motors until the electrical circuits can stabilize and safely navigate any unexpected high currents or overloads. This is done by cutting off power after a specified amount of time, allowing the motor to rest, cool down, and then start up again.

The working principle of the BP/ATM-10ID thermal time-delay fuse is quite simple. First, when the motor is turned on, current passes through the metal oxide resistor and creates heat. The heat warms the bimetal discs, which start to bend and close the circuit, cutting off power. This delay allows time for electrical circuits to normalize before the motor is activated. Once the circuits have stabilized, the disc cools down, allowing the circuit to open and the motor to start again.

The key element of the BP/ATM-10ID thermal time-delay fuse is the two metal oxide resistors. Depending on the current passing through the device, the temperature of the resistor will increase until it reaches a certain set point. At this point, the resistor will enter the hysteresis curve and the disc will start to move, triggering the time-delay function. The amount of time it takes for the disc to move and trigger the time-delay function depends on the temperature of the resistor and the size and material of the disc.

The thermal time-delay fuse is used in many industries, including automotive, medical, industrial, and military applications. It is designed for applications where an electric motor or other device must be properly powered up under normal conditions, but disconnected during hazardous or extreme conditions. The thermal time-delay feature helps provide extra protection against electrical overloads and short circuits.

The BP/ATM-10ID thermal time-delay fuse is an important part of the electrical safety network, providing much needed protection against potentially dangerous electrical conditions. The device can help protect electric motors and other equipment from overloads, short circuits, and similar problems. This fuse is an excellent option for a variety of industrial, automotive, medical, and military applications.

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