T/ZZB 2855-2022
Intelligent high-voltage alternating-current combined vacuum circuit-breakers applied in new energy for rated voltages above 12 kV and up to and including 40.5 kV (English Version)

Standard No.

T/ZZB 2855-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/ZZB 2855-2022

Scope

This document specifies the terms and definitions, basic requirements, environmental conditions, ratings, technical requirements, test methods, inspection rules, Marking, packaging, shipping and storage and quality commitments. This document is applicable to combined circuit breakers with a rated voltage of 12 kV to 40.5 kV, installed indoors, a rated frequency of 50 Hz, and used in photovoltaic power generation, wind power generation and energy storage, etc., and a combined circuit breaker with a rated frequency of 60 Hz. For circuit breakers, please refer to this document.

T/ZZB 2855-2022 history

• 2022 T/ZZB 2855-2022 Intelligent high-voltage alternating-current combined vacuum circuit-breakers applied in new energy for rated voltages above 12 kV and up to and including 40.5 kV