UPS5000-S-300 kVA User Manual
(3P3W, 200 V)
3 Installation
Issue 01 (2020-03-06)
Copyright © Huawei Technologies Co., Ltd.
46
UPS Capacity
Component
Specifications
Bypass input circuit breaker
1000 A/3P
Output branch circuit breaker
1000 A/3P
300 kVA
Mains input circuit breaker
1250 A/3P
Bypass input circuit breaker
1000 A/3P
Output branch circuit breaker
1000 A/3P
The circuit breakers recommended in the preceding table are for reference only. Customers need to
connect the circuit breakers outside the UPS.
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.
When you connect power cables, comply with the tightening torque listed in the following
table to ensure secure connections and prevent safety risks.
Table 3-5
Power cable connector requirements
Connector
Connection Mode
Bolt Type
Bolt Length
Torque
Mains input connector
Crimped DT terminals
M16
55 mm
120 N·m
M12
46 N·m
Bypass input connector
Crimped DT terminals
M16
55 mm
120 N·m
M12
46 N·m
Battery input connector
Crimped DT terminals
M16
55 mm
120 N·m
M12
46 N·m
Output connector
Crimped DT terminals
M16
55 mm
120 N·m
M12
46 N·m
Grounding connector
Crimped DT terminals
M12
35 mm
47 N·m