UPS5000-A-30 kVA & 40 kVA & 80 kVA
User Manual
Copyright © Huawei Technologies Co., Ltd.
Mains input
circuit
breaker
Bypass input
circuit
breaker
Mains input
circuit
breaker
Bypass input
circuit
breaker
Output
branch circuit
breaker
ABB (recommended when
the short-circuit current of
the circuit breaker is
located is less than 6 kA.)
ABB (recommended when
the short-circuit current of
the circuit breaker is
located is less than 36 kA.)
The input front-end and output back-end circuit breakers recommended in Table 3-7 are for
reference only.
If multiple loads are connected, branch circuit breaker specifications must not exceed the
recommended specifications.
The circuit breaker selection principle is to protect loads and cables, and the cascading principle is to
realize specific protection.
3.1.4 Unpacking and Checking