Single Ups Installation - Huawei UPS5000-A-400K-SL User Manual

UPS5000-A-(400 kVA-500 kVA)
User Manual (40 kVA Power Modules)
The UPS can generate large leakage currents. A circuit breaker that provides leakage current
protection is not recommended.
Table 3-7 Recommended input front-end and output back-end circuit breakers

3.2 Single UPS Installation

UPSs in standard configurations and full configurations have the same installation procedures
and cable connection modes. This section uses UPSs in full configurations as an example.
Issue 06 (2020-01-10)
Connector Connection Mode
Grounding Crimped OT terminals
connector
UPS Component
Capacity
400 kVA Mains input circuit
breaker
Bypass input circuit
breaker
Output branch circuit
breaker
500 kVA Mains input circuit
breaker
Bypass input circuit
breaker
Output branch circuit
breaker
Circuit breakers are used in circuits with a short-circuit current of less than 50 kA.

The input front-end and output back-end circuit breakers recommended in
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.
Copyright © Huawei Technologies Co., Ltd.
Bolt Bolt Hole
Type Diameter
M12 -
Specifications
a
800 A/3P
630 A/3P
630 A/3P
1000 A/3P
800 A/3P
800 A/3P
3 Installation
Torque
47N•m
Table 3-7 are for
55