AS35 1R040

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Inrush current is a phenomenon whereby a large amount of current surges into an electric circuit upon its energizing, representing an overload threat to power transmission or other components. This initial rush also saturates the transformer core, causing the dc bias of the problem. Inrush Current Limiters (ICL) are designed to counteract the harmful effects of this high rush of current, improving the system’s efficiency and protecting delicate components.

The AS35 1R040 ICL is an innovative inrush current limiter for AC power lines. It is specially designed to provide highly effective inrush current protection with short response time and reliable operation.

The device consists of a power module with two N-type MOSFETs in parallel, connected to an auxiliary circuitry module connected to the AC line. The power module controls the inrush current by regulating the circuit voltage. An independent temperature sensor helps to control the state of the gate of both MOSFETs. The internal impedance of the device is high enough to ensure that the inrush current is limited to less than 7.4A.

The working principle of the AS35 1R040 ICL is based on the PWM switching of two series connected MOSFETs. When the AC power supply is applied to the AS35 1R040, the MOSFETs turn off and delay the voltage drop. After the voltage drops below the off-voltage value, the MOSFETs are turned-on again and they produce a series of short pulses to reduce the current to the specified level. The duration of the pulses can be adjusted using an external resistor.

The AS35 1R040 ICL is suitable for use in AC power systems such as domestic appliances, lighting, and motor systems. As it can detect small transients and recover quickly, this ICL is ideal for use in variable speed control of electric motors. It can also be used in power line soft-start applications and power factor correction systems.

The AS35 1R040 ICL is also suitable for use in AC power systems in industrial environments. It can be used to protect heavy equipment from inrush current, prevent overvoltage drop on the AC line, and improve system performance. This device is especially suitable for use in synchronous motors, where it can provide reliable protection without affecting the operation of the motor. The low standby power consumption of the AS35 1R040 ICL makes it an ideal solution for energy-efficient systems.

The AS35 1R040 ICL is an effective and reliable way to protect against inrush current and improve the efficiency of AC power systems. It is designed for use in applications ranging from domestic appliances to industrial applications, where it can provide robust and reliable protection without compromising system performance.

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