SDF DF240S

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Thermal Cutoffs, also known as Thermal Fuses, are devices that can help protect against damage caused by overheating, overcurrent, or thermal runaway accidents. They are used in many electrical and electronic devices, such as power supplies, circuit boards, fan motors, and power tools. They work by cutting off the power supply to the device if the temperature or current exceeds a predetermined level.

The SDF DF240S is a thermal cutoff device manufactured by Electrothermal. It is a bi-metal disc type thermal fuse specifically designed for protection of AC power supply line against overcurrent situations and thermal overloads. The device utilizes up to 96A current and has a UL508 approval. It features a long life, fast operation, and wide operating temperature range. The SDF DF240S is a radial design device, which attaches to the power line supply via two axial leads.

The principle of operation of the SDF DF240S is based on the expansion of bi-metal discs. When the device is subjected to an overcurrent or overheating situation, the two metal discs expand and the mechanical action pushes the contacts together. This action breaks the circuit, thus cutting off the power supply. The response time of the SDF DF240S is relatively fast at 10 milliseconds, allowing it to quickly respond to any overcurrent or overheating situations.

The SDF DF240S is designed for use in a variety of applications, such as air conditioners, power supplies, motors, and power tools. It is ideal for these situations due to its long life and wide temperature range. The relay is rated for up to 96 amps and operates between -40˚C to + 85˚C. It is also suitable for high humidity environments, making it a reliable and efficient solution for various applications.

The SDF DF240S is a reliable and efficient solution for protection against overcurrent and thermal runaway situations. The device\'s fast response time and wide operating temperature range ensure maximum protection for a variety of electrical and electronic applications. Furthermore, it is UL508 approved, making it suitable for use in many demanding environments.

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