SL10 2R505-B

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Inrush Current Limiters (ICLs) are devices which help to limit and manage the power surge to prevent mechanical damage or electrical faults. The SL10 2R505-B is a type of Inrush Current Limiter (ICL) suitable for a wide range of applications such as motor start, induction heating, and welding. It is a perfect choice for applications where Starting inrush current needs to be limited to a certain level to prevent downstream circuit breaker from tripping.

The SL10 2R505-B is a linear, non-resettable ICL, with a rated current of 10A and rated voltage of 400VAC. It is equipped with a built-in positive temperature coefficient (PTC) with a high grade of accuracy. It features two terminals with wiring of red (positive) and black (negative), providing direct connection. The SL10 2R505-B also has a self-adjusting protection function, meaning that when the temperature of the device rises, its resistance value will automatically adjust accordingly.

In terms of its working principle, when a surge current passes through the SL10 2R505-B it will reach a threshold value during the surge period. Once exceeded, the device will then activate its protective function. This will limit the current, leading to the current t provided by the circuit breaker being held to a safe level. When the surge current passes to the level set by the device, current to the circuit breaker passes the threshold and the circuit breaker will reopen automatically, thus helping to protect and maintain your electrical circuits.

In terms of its application field, the SL10 2R505-B is widely used in motor start, welding processes, and induction heating applications to prevent downstream circuit breaker from tripping due to the large inrush current. The SL10 2R505-B can also help protect induction motors from sudden spikes in current, hence providing additional motor protection. It can also be used in Battery Charging Systems to regulate the charging cycles, thereby ensuring safe and effective operation.

All in all, the SL10 2R505-B is a reliable, non-resettable ICL designed for use in a wide variety of applications. With its built-in positive temperature coefficient, self-adjusting protection, and rated current and voltage of 10A and 400VAC respectively, the SL10 2R505-B is an ideal choice for motor start, welding processes, and battery charging systems. Its working principle enables it to effectively limit the surge current, thus helping to protect and maintain your electrical circuits.

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