Edwards EXS Series - Electrical Data

3.5 Electrical data
Table 7 Electrical data
Characteriscs
EXS750 EXS450 Units
Dry pump motor rang 22 11 kW
Curr
ent rang
(380 - 460 V systems)
50 - 60 50-60 A
Recommended branch circuit protecon UL
(380 - 460 V systems)
380 V a.c. 70 A
400 V a.c. 70 A
460 V a.c. 60 A
380 V a.c. 35 A
400 V a.c. 35 A
460 V a.c. 30 A
A
Recommended branch circuit protecon IEC
(380 - 460 V systems)
380 V a.c. 80 A
400 V a.c. 63 A
460 V a.c. 63 A
380 V a.c. 40 A
400 V a.c. 32 A
460 V a.c. 32 A
A
Minimum cable size for 380 - 460 V systems
(or corr
esponding AWG size)
16 (4) 6 (8)
mm
2
(AWG)
Mains connector for 380 - 460 V systems UT16 & UT16 PE -
The maximum geometric wire gauge for UT16 and UT16 PE is 25 mm
2
and the maximum
AW
G size is 4 AWG.
Table 8 General electrical data
Descripon
Rang Units
Supply voltage 3-phase 380 - 460 (see rang plate) V a.c.
Frequency 50/60 Hz
Wiring conguraon 3 wire plus Earth (ground)
Voltage tolerance range ± 10%
Installaon category II (IEC 60664-1)
Input supply voltage unbalance
Should not exceed 2% when as-
sessed over any one minute period
Short circuit current rang (when in-
s
talled with class T)
5 kA
Second protecve earth (ground) con-
duct
or
Must be ed with a cross‑seconal
area at least equal to phase conduc-
tor size
Typical earth leakage†
For 380 - 460 V systems:
For EXS750 <10 mA
07/2021 - ©Edwards Limited
Page 20A41870880_A
A41870880_A - Technical data