Wind solar Vacuum Circuit Breaker TYD-40.5GD,Indoor Switch-Wind solar Vacuum Circuit Breaker TYD-40.5GD-Wenzhou Tuyuan Electric Co.,Ltd

The TYD40.5 circuit breaker is specifically designed for 35kV power systems in wind and solar power generation. It can be mounted on the inner wall of wind turbine towers or used as an independent electrical unit in 40.5kV power systems or prefabricated substations. The switching spring operating mechanism of this product is independently developed by our company, offering simplicity and reliability.

No.	Item		Units	Data
1	Rated voltage		kV	40.5
2	Frequency		Hz	50
3	1 min frequency withstand voltage	Interphase and to ground/Isolation gap	kV	95/118
4	Lightning impulse withstand voltage	Interphase and to ground/Isolation gap	kV	185/215
5	1 min control circuit power-frequency withstand voltage		kV	2
6	Circuit breaker	Rated current	A	630-1250
7		Rated short-circuit breaking current	kA	20-31.5
8		Rated short-time withstand current/time	kA/s	20-31.5/4
9		Rated peak withstand current	kA	50-80
10		Rated operating sequence		O-0.3S-CO-180S-CO
11	Mechanical life	Circuit breaker arc-extinguishing chamber	times	10000
		Disconnector		3000
		Earthing switch		3000
12	Spring operating mechanism working voltage		V	AC/DC 220/110

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