Model ZF28-363/420 Gas insulated metal enclosed switchgear

Product Overview:

Model ZF28-363/420 gas insulated metal enclosed switchgear is a three-phase AC high voltage electrical equipment to control, measure, protect and switch transmission lines. It mainly includes: Circuit breaker, isolating switch, grounding switch, quick grounding switch, current transformer, voltage transformer, cable connection device, outlet bushing, zinc oxide lightning arrester, bus barrel and spacer control cabinet and other basic components, can be combined according to user requirements into the required main wiring mode, widely used in domestic and overseas electric power, metallurgy, mining, transportation and public utilities and other industries.

Product parameters:

1. Rated voltage: 363/420kV;

2. Rated frequency: 50/60Hz;

3. Rated current: 4000/5000A;

4. Rated short-circuit breaking current: 50/63 kA;

5. Rated short-circuit closing current: 130/171kA;

6. Rated short-time withstand current and duration: 50kA /3s, 63kA/3s;

7. Rated peak withstand current: 130/171kA;