Unisec 24kv

Unisec 24kv

Our company manufactures the UniSec series of Certified Medium Voltage switchgear, under licence  from ABB.

UniSec is the new ABB air-insulated switchgear, LSC2A-PM for panels with switch-disconnector, LSC2B-PM for panels with withdrawable circuit-breaker up to 17,5kV and LSC2B-PI up to 24kV.In accordance with the loss of service continuity definitions and standard IEC 62271-200.

UniSec offers these features:

-Air insulation of all live parts
-SF6 switch-disconnector
-Removable and withdrawable vacuum and SF6 circuit-breakers-Withdrawable vacuum contactor
-LSC2A service continuity classification
-Withdraw able circuit-breaker and contactor class LSC2B service continuity classification
-Complete range of fuctional units and accessories-Large selection of state-of-the-art protection relays, intergrated on removable circuit-breakers or separately mounted for protection, control and measurement fuctions.

Quality

The UniSec range is fully designed and type tested according to the IEC standard no.62271-200, and has a high internal arc withstand ability rating.


Senekis through a license agreement with ABB Technology LTD Zurich Switzerland holds the license to manufacture, sell and use the marks of Air-Insulated Medium Voltage switchgear typt UniSec,using drawings and components of ABB.
The switchgear comply with IEC62271-1 and IEC/EN 62271-200 standards and are covered by the relevant type tests performed.
Senekis guaranties the safety, performance and quality of the licensed products and submits all products in a series of routine verification tests according to the European Standard IEC/EN-62271-200.

Documentation

We manufacture and deliver our Medium Voltage products with integrated electrical diagrams, and we issue routine verification test reports which are handed with our products.

Specifications

Rated voltagekV1217.524
Test voltage (50-60 Hz x 1min) kV 28 38 50
Impulse withstand voltage kV 75 95 125
Rated frequency Hz 50-60 50-60 50-60
Rated main busbar current A 630/800/1250 630/800/1250 630/1250
Rated current of apparatus:
- VD4/R-Sec-HD4/R-Sec removable circuit-breaker-GSec gas switch-disconnector
- Vmax/Sec withdrawable circuit-breaker
- VD4/Sec withdrawable circuit-breaker
- VSC/P withdrawable vacuum contactor
A
A
A
A
A
630/800 630/800
630/1250
-
400
630/800 630/800
630/1250
-
-
630
630
-
630/1250
-
Rated short time withstand current   1620(4) / 25(1)(2) 1620(4) / 25(2) 1620(4)
Peak current   40/52.5/63 40/52.5/63 40/52.5
Internal arc withstand current (IAC AFLR) (3)   12.5/16/21/25 (2) 12.5/16/21/25 (2) 12.5/16/21