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Do motors over 7.5KW require a motor protector? ? ?

2016-12-27View Original

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Do motors over 7.5KW require a motor protector? ? ? 1. What is a motor protector? 2. Where is it specified that a unit of over 7.5KW must be equipped? ?
Reply #22016-12-28
Motor protector, also known as current protector. It is when the current exceeds the motor’s rated current that the motor stops automatically. But it seems there is no requirement to install this item; one can decide whether to install it or not based on their own industrial needs. Generally, it is installed on the motor of pump equipment.
Reply #32016-12-28
There is no mandatory requirement; if you have the money, go ahead and install it.
Reply #42017-07-19
Motor protectors, also known as comprehensive motor protection devices, are used in drawer-type cabinets where circuit breakers and heating relays are employed for protection against metallic short circuits and overloads. Their primary purpose is to protect the power grid, rather than specifically protecting the motor itself. The motor protection (comprehensive motor protection) specialty is designed to protect against various faults that occur during the operation of motors.
Reply #52017-07-19
Motor protectors, also known as comprehensive motor protection devices, are used in drawer-type cabinets where circuit breakers and heating relays are employed for protection against metallic short circuits and overloads. Their primary purpose is to protect the power grid, rather than specifically protecting the motor itself. The motor protection (comprehensive motor protection) specialty is designed to protect against various faults that occur during the operation of motors.
Reply #62017-07-19
Motor protectors, also known as comprehensive motor protection devices, are used in drawer-type cabinets where circuit breakers and heating relays are employed for protection against metallic short circuits and overloads. Their primary purpose is to protect the power grid, rather than specifically protecting the motor itself. The motor protection (comprehensive motor protection) specialty is designed to protect against various faults that occur during the operation of motors.
Reply #72017-07-19
In short, the protection settings of low-voltage comprehensive protection systems are safe, reliable, and sensitive; they enable timely detection and handling of faults. Not only do they protect motor equipment, but they also prevent such equipment from operating under damaged conditions, thus ensuring the safe and stable operation of the power distribution system and the factory’s production processes.

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