ZF28-252 gas insulated composite electrical appliance

Product Overview:

ZF28-252 gas insulated composite electrical equipment is a three-phase AC high voltage electrical equipment to control, measure, protect and switch the transmission line. It mainly includes: circuit breaker, isolating switch, grounding switch, quick grounding switch, current transformer, voltage transformer, cable connection device, outlet bushing, zinc oxide arrester 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: 252 kV;

2. Rated frequency: 50/60Hz;

3. Rated current: 3150/4000/5000A;

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;