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Smart appliances, communications electronics and information electronics
- Nov 21, 2016 -

Microprocessor and computer technologies introduction of low-voltage electrical appliances, low voltage electrical apparatus intelligent functions on the one hand, on the other hand the low-voltage switchgear, including intelligent circuit breaker and intelligent motor controller to achieve bi-directional communication with the central control computer. Enter in the 1990 of the 20th century, with the development of computer information networks, low-voltage power distribution system, and motor control centers have been consolidated to form intelligent monitoring, protection and information network systems.

Intelligent low-voltage circuit breaker with the motor controller is a low-voltage switch cabinet and intelligent motor control center's main electrical components. Microprocessor introduced low-voltage circuit breaker, first make the circuit breaker protection is greatly enhanced. Such as: its three short delay time can be set from the fault protection features into I2t characteristics to match the protection level after better; ground protection selectivity can be achieved, the intermittent arc grounding fault memory.

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