6996 0223 96 Issue A
© Edwards Limited 2016. All rights reserved. Page 45
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Currents and fuses
IEC and UL/cUL approval
Motor voltage
supply range (V)
Max. fuse
pack IEC
class gL/gC
Max. fuse
pack UL
class K5
CSA HRC
from ii
Recommen
ded cable
size mm²
(P/FF)
EDC 150
(Over
pressure
pump
EDC 300
(Over
pressure
pump
Fuse calculations for IEC: are done according to 60364-4-43 electrical installations of buildings, part 4:
protection for safety- section 43: protection against overcurrent. Fuse sizes are calculated in order to
protect the cable against short circuit.
Fuse calculations for cUL and UL: The indicated fuse size is the maximum fuse size in order to protect
the motor against short circuit. For cUL fuse HRC form II, for UL fuse class K5.