The "fire cut-off limiter" of an electric hoist (in fact, it is not directly referred to as a "fire cut-off limiter" in standard electric hoist terminology, but may be a visual description of a certain safety device) may refer to a safety device that can cut off power or restrict the operation of the electric hoist under specific conditions to prevent serious accidents such as fires. However, it should be noted that this description may not directly correspond to the common electric hoist safety devices on the market. However, based on this description, we can explore some similar functions that electric hoists may have from the perspective of safety devices.

One possible safety device is an overload protector. Overload protector is one of the common safety devices in electric hoists. Its main function is to automatically cut off the power supply when the electric hoist is overloaded, prevent the motor from burning out due to overload, and thus avoid possible accidents such as fires. This device monitors the current or power of the motor to determine if it is overloaded, and quickly cuts off the power supply when overloaded, protecting the safety of the electric hoist and its surrounding environment.

Another possible safety device is a temperature protector. Temperature protectors are typically used to monitor the temperature of electric hoist motors or other critical components. When the temperature exceeds the set value, the temperature protector will automatically cut off the power to prevent fires caused by overheating. This device is particularly important when the electric hoist works for a long time or is in a high-temperature environment.

Although the above two devices are not directly referred to as "fire cut-off limiters", they both have the function of cutting off power and preventing serious accidents such as fires under specific conditions. In addition, some high-end electric hoists may also be equipped with other advanced safety devices, such as collision sensors, emergency stop buttons, etc., to further improve the safety performance of the equipment.

It should be noted that the safety performance of electric hoists not only depends on the safety devices equipped, but also closely related to multiple aspects such as equipment design, manufacturing, installation, use, and maintenance. Therefore, when using electric hoists, relevant safety regulations and operating procedures should be strictly followed to ensure the safe operation of the equipment.

Finally, if there is indeed a specific device called a "fire cut-off limiter" and it is a standard or optional accessory for electric hoists, it is recommended to directly refer to the technical specifications or user manual provided by the manufacturer of the device for accurate information.

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