UPS5000-A-500 kVA
User Manual (e-shelter)
3 Installation
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
39
Table 3-4
Recommended upstream input and downstream output circuit breakers
Component
Specifications
a
Mains input circuit breaker
1000 A/3P
Bypass input circuit breaker
800 A/3P
Output branch circuit breaker
800 A/3P
a: Recommended specifications when the short-circuit current going through the circuit
breaker is less than 50 kA.
The input upstream circuit breakers recommended are for reference only.
If multiple loads are connected, specifications for branch circuit breakers 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
Context
Only trained personnel are allowed to move the UPS. Use a pallet truck to transport the
UPS box secured to a wooden support to the installation position.
To prevent the UPS from falling over, secure it to an electric pallet truck using ropes
before moving it.
To prevent shocks or falls, move the UPS gently. After placing the UPS in the installation
position, unpack it with care to prevent scratches. Keep the UPS steady during unpacking.
If the UPS installation environment is in poor condition and the UPS will be stored for a
long time after it is unpacked, wrap the UPS with the original plastic coat to prevent dust.
Procedure
Step 1
Use a pallet truck to transport the UPS to the installation position.
Step 2
Remove the UPS outer packing.
Step 3
Remove the bolts that secure the UPS to the pallet and remove the UPS from the pallet.