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ESIE-0303
3.5
Checking the Power Supply and Fuses
Overview
The table below contains an overview of the circuits, the voltage and their fuse codes.
Circuit
Main supply
Control circuit (PCBs)
Overview fuses and
The table below contains the used fuses and overcurrent.
overcurrent
Fuses +
EUW5KZW1
overcurrent
F1U, F2U,
3 x 16 A
F3U
F4
8 A
F5
125 mAT
F1U
5 A
F3U
315 mAT
K4S
9 A
K5S
__
Recommended fuses according to IEC standard 269-2: gL/gG (aM also admitted)
(F1U, F2U, F3U = gL/gG)
Part 3 – Troubleshooting
Wiring code
L1 + L2 + L3 + N
TR1-prim.
TR1-sec.
EUW8KZW1
EUW10KZW1
3 x 20 A
3 x 25 A
8 A
8 A
125 mAT
125 mAT
5 A
5 A
315 mAT
315 mAT
14 A
18 A
__
__
Checking the Inputs and Outputs
Type / voltage
3 phases / 400 V AC
1 phase / 230 V AC
24 V AC
EUW12KZW1
EUW16KZW1
3 x 32 A
3 x 40 A
8 A
8 A
125 mAT
125 mAT
5 A
5 A
315 mAT
315 mAT
20 A
14 A
__
14 A
Fuse code
F1U+F2U+F3U
F4
F5
EUW20KZW1
EUW24KZW1
3 x 50 A
3 x 50 A
8 A
8 A
125 mAT
125 mAT
5 A
5 A
315 mAT
315 mAT
18 A
20 A
18 A
20 A
3–17
1
3 3
4
5
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