*mydirectindustry

Catalogs
Dowei Electric
Dowei Electric Center Break Disconnector GW4

Dowei Electric Center Break Disconnector GW4

1 / 2 PagesView full catalog

Dowei Electric Center Break Disconnector GW4

Product catalog summary

General Description:

The Center Break Disconnector adheres to international standards such as IEC 62271, ANSI/IEEE Std C37, and NEMA.
It is certified by ISO 9001, KEMA, CESI, CE, TUV, UL, and ASTA.
Designed to withstand seismic activities as per ETGI-1.020, IEEE Std 693, and NCh2369.
Structural design follows ASTM A325, ANSI/AISC 360, and AWS D1.1 standards.
Capable of high altitude correction up to 5000 meters according to IEC 62271 and IEEE C37.
Features include a flexible contacting outgoing base and strong current flow in conductive rod contact fingers, ensuring accurate transmission and ease of commissioning.

Typical Specifications:

The Center Break Disconnector is available in various models with rated voltages ranging from 40.5kV to 252kV.
Rated frequency is consistent at 50/60 Hz across all models.
Rated current varies between 1250A to 4000A depending on the model.
Rated short-time withstand current and duration are specified as 40/3 kA/s to 63/3 kA/s.
Rated peak withstand current ranges from 100 kA to 160 kA.
Rated short-time power frequency withstand voltage to earth ranges from 95 kV to 460 kV, and across breaks from 118 kV to 530 kV.
Rated lightning impulse withstand voltage to earth ranges from 185 kV to 1050 kV, and across breaks from 215 kV to 1200 kV.
Rated busbar transferring current is consistently 1600 A, except for the 252 kV model which is 2000 A.

Catalog excerpts

Dowei Electric Center Break Disconnector GW4-1

Power Transmission & Distribution One stop equipments solution Center Break Disconnector

Open the catalog to page 1

Dowei Electric Center Break Disconnector GW4-2

Center Break Disconnector General Description: • IEC 62271, ANSI/IEEE Std C37, NEMA • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • Flexible contacting outgoing base • Strong current flow in conductive rod contact finger • Accurate transmission and ease of commission Center Break Disconnector 40.5~252kV NINGBO DOWEI ELECTRIC CO., LTD. 608, Lingyun Building No.1, High-tech Zone, Ningbo, Zhejiang, China. 315048 Tel: +86-15088801930...

Open the catalog to page 2

All Dowei Electric catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list