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Help CenterCTB Circuit Breaker Operating Mechanism for ZW32- 12 Outdoor High Voltage Circuit Breakers
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Certification:GB1984, IEC
CTB Circuit Breaker Operating Mechanism for ZW32- 12 Outdoor High Voltage Circuit Breakers
1.1 Model No & Name
CTB spring operating mechanism have two types, manual type operating mechanism and motor type operating mechanism.
1.2 Its main functions and working conditions
This operating mechanism will be used in ZW32-12 outdoor high voltage vacuum circuit breaker ( designed by Beijing Electrical Science Academy ) and other power nearby outdoor or indoor high voltage vacuum circuit breaker, its performances can meet requires of GB1984and the product’s ; Manual type operating mechanism holds functions of manual energy-storage, manual closing/opening, overcurrent protection . Motor type operating mechanism functions including motor or manual energy-storage, electromagnet or manual closing/opening, overcurrent protection , etc . To make overcurrent-protection -purposed contorrer have surge current, time-delay amd fast-breaking fuctions, this product is suitable under following working conditions :
A.Surrounding air temperature up limit is +40℃, down litmit is -45℃.
B.Elevation is not higher than 2000m, wind speed not over 35m/s.
C. Related humidity , day average is not over 95%, month average is not 90% (+25℃). Water vapor pressure, day average is not over 2.2X10³Mpa, month average is not over 1.8X10³MPa.
D. The using venue should be no fire accedent, explosion danger, serious dirtiness and severe shake .
1.3 Operating mechanism’s weight: CTB manual type: 8.6kg. CTB motor type: 12kg
2. Structure and working principle
2.1 CTB operating mechanism ( manual type)’s structure is as Pic1
CTB( motor type)’s structure is as Pic2
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