QBN7 — metal-clad air-insulated switchgear 36 kV
QBN7 belongs to metal-clad air-insulated 36 kV switchgear for primary distribution. Rated current up to 4000 A, short-circuit current up to 50 kA. The indoor switchgear is equipped with a withdrawable vacuum circuit breaker.
- Voltage
- 36 kV
- Current
- up to 4000 A
- Short-circuit current
- up to 50 kA
- Circuit breaker
- vacuum, withdrawable
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The cubicles are installed in enclosed switchgear rooms of primary distribution substations. The vacuum circuit breaker is placed on a withdrawable element and can be withdrawn for inspection or replacement without dismantling the cubicle. The metal-clad design divides the cubicle into compartments with metal partitions. Protection and automation are built on digital relays made by the company itself.
Technical specifications
| Voltage | 36 kV |
|---|---|
| Current | up to 4000 A |
| Short-circuit current | up to 50 kA |
| Circuit breaker | vacuum, withdrawable |
| Protection | in-house digital relays |
Request a price and lead time
QBN7 — metal-clad air-insulated switchgear 36 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8537 20 91 00 |
|---|---|
| HS, 6 digits | 8537 20 |
| CN (EU) | 8537 20 91 |
| HTSUS (USA) | 8537 20 00 20 |
| China customs tariff | 8537 20 90 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What voltage and current is QBN7 designed for?
Voltage 36 kV, rated current up to 4000 A, short-circuit current up to 50 kA.
What circuit breaker and insulation does QBN7 have?
The insulation is air, and the circuit breaker is a vacuum one on a withdrawable element.
Which relays does the switchgear come with?
Protection is built on digital relays of the manufacturer's own design.
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