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35kV Vacuum Circuit Breaker
Product Characteristics
ZW口-40.5 series outdoor high voltage vacuum circuit breakers are equipped with vacuum interrupter, which is suitable for 40.5kV power transmission and transformation system for opening and closing load current, overload current and short circuit current. It can switch capacitive or inductive loads such as capacitor banks, high-voltage motors, electric arc furnaces, and transformers.
Product Parameters

Rated voltage (kV)

40.5

Rated current (A)

2500

Rated short circuit breaking current (kA)

80

Rated short time withstand current/duration (kA/s)

31.5/4

Rated peak withstand current (kA)

80

Rated power frequency withstand voltage (kV)

To earth

95

Between open contacts

118(95)

Rated lightning impulse withstand voltage (kV)

To earth

185

Between open contacts

215(185)

Mechanical life (times)

10000