CBD, center-break disconnector 36–550 kV
CBD horizontal rotating center-break disconnector for 36–550 kV and a rated current of up to 6300 A. Short-time withstand current up to 63 kA (3 s), outdoor installation.
- Rated voltage
- 36–550 kV
- Rated current
- up to 6300 A
- Short-time withstand current
- up to 63 kA (3 s)
- Design
- outdoor
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Two rotating blades close mid-span between the insulators. This is the most common and economical type, but it needs a larger phase-to-phase distance. Versions for 36–52 kV and 72.5–550 kV are available. It is used in substation outdoor switchgear with room to space the phases.
Technical specifications
| Rated voltage | 36–550 kV |
|---|---|
| Rated current | up to 6300 A |
| Short-time withstand current | up to 63 kA (3 s) |
| Design | outdoor |
| Construction | two rotating blades, break in the middle |
Request a price and lead time
CBD, center-break disconnector 36–550 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8535 30 10 00 8535 30 90 00 |
|---|---|
| HS, 6 digits | 8535 30 |
| CN (EU) | 8535 30 10 8535 30 90 |
| HTSUS (USA) | 8535 30 00 80 |
| China customs tariff | 8535 30 90 90 8535 30 10 90 8535 30 20 90 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What voltage versions of the CBD are available?
Two versions, for 36–52 kV and for 72.5–550 kV, with a rated current up to 6300 A.
What is special about a center-break disconnector?
Two blades rotate and close in the middle of the span. The type is economical but needs a larger phase-to-phase distance.
What thermal withstand does the CBD have?
Short-time withstand current up to 63 kA for 3 s.
Similar equipment from other manufacturers
