Connections Of Input/Output Power Cables; Ups With Common Normal And Bypass Ac Sources - Eaton EX RT 7 Installationsaleitung

2.7 Connections of input/output power cables

This type of connection must be carried out by qualified electrical personnel.
z
Before carrying out any connection, check that the battery circuit breaker
z
protection devices (Normal and Bypass AC sources) are open ("0").
EX RT
z
using a bridge.
Use included insulated ferrules with stranded wires.
z

UPS with common Normal and Bypass AC sources

3
UPS always comes from factory with Normal and Bypass AC inputs already connected together,
t
O ut pu
L
N
t
ss In pu
By pa
L2
ie r In pu t N 2
R ec tif
L1
L1
L2
L3
N 1
1
1
t
O ut pu
L
N
5
ss In pu t
By pa
L2
t N 2
ie r In pu
R ec tif
L1
L1
L2
L3
N 1
2
t
O ut pu
L
N
ss In pu t
By pa
L2
t N 2
ie r In pu
R ec tif
L1
L1
L2
L3
N 1
6
6
φ
1
1
1
4
6
6
6
7
M A L
N O R
7
7
2. Installation
and that the upstream
12
To access the connection terminal
blocks, see section 1.2 "Rear panel":
1 - Remove the terminal block cover
(5 screws),
2 - Insert the Normal AC cable through
the cable gland,
3 - Connect the 5 wires to the Normal
AC terminal block,
Always connect the earthing
wire first.
4 - Insert the output cable to the load
through the output cable gland,
5 - Connect the 3 wires to the output
terminal block,
6 - Refit the terminal block cover and
tighten the cable glands,
7 - Secure the junction Input/Output
box to the rear of the power module
by means of the 3 screws.
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