| Model: | - |
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| Brand: | - |
| Origin: | - |
| Category: | Electronics & Electricity / Other Electrical & Electronic |
| Label: | - |
| Price: |
US $6980
/ pc
|
| Min. Order: | 1 pc |
| Last Online:27 Feb, 2019 |
HVD8 /LW8-40.5 type outdoor high-pressure sulfur hexafluoride circuit breaker is three-pole ac 50 hz, outdoor high voltage switch equipment, applicable to 40.5 kV power transmission and distribution system control and protection, can also be used to contact circuit breaker and movable capacitor group.
Standard: IEC 62271-100.
Certification: ISO9001-2015
Operation: Energy-storage Type
Installation: Fixed
Arc-extinguishing Medium: SF6
Speed: Normal Type Circuit Breaker
HS Code: 85353000
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Item |
Unit |
Data |
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Rated voltage |
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Rated insulation level |
Lightning impulse withstand voltage(peak value) |
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1min power frequency
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Rated current |
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Mechanical life time |
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Rated air pressure of SF6 (psig at 20℃) |
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Alarm pressure/Min function pressure (psig at 20℃) |
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Rated short-circuit breaking current
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Rated short circuit making current (peak value)
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Rated short time withstand current (thermal stability current) |
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Rated peak withstand current (dynamic stability current) |
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Rated out of step breaking current |
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Rated breaking times under short circuit breaking current |
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Rated short circuit duration |
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Closing time (under rated operation voltage) |
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Opening time (under rated operation voltage) |
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Rated operating sequence |
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Rated making single capacitor bank current
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Annual leakage rate
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SF6 water content(V/V) |
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Rated operation voltage of matched CT14 spring operation mechanism |
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Closing and opening coil voltage |
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Energy storage motor voltage |
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Weight of SF6 gas |
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Weight of circuit breaker (including operation mechanism) |
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Item |
Unit |
Data |
Technical parameter |
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Moving contact travel
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Measure moving contact travel |
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Opening distance between contacts
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Measure distance between moving and fixed contact
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Pole-to-pole closing synchronous |
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Measure pole distance difference between moving and fixed contact |
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Pole-to-pole opening synchronous |
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Measure pole distance difference between moving and fixed contact
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Main circuit resistance |
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Measure DC voltage reduction
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Closing speed
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Rated air pressure, measuring method
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Opening speed
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Rated air pressure, measuring method
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Closing buffer distance |
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Under closing state
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Spacer of closing buffer |
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Under closing state
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Partial 48.6kV |
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Measure by partial measuring device under rated air pressure; apply voltage 486kv on the two out-line ends of the circuit breaker for 1 min, then reduce the voltage to 28V to measure |
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Disharge 28kV |
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| Payment Terms: | TT/LC |
|---|---|
