
B-65262EN/03 SPECIFICATIONS FOR THE αiS/αi SERIES 4.CONDITIONS FOR APPROVAL RELATED TO THE IEC60034 STANDARD
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4.2.3 Protection Type (IEC60034-5)
Motor protection confirms to IP65. (Models with fan are not included.
The Pulsecoder connector is waterproof when engaged.)
IP6x: Completely dust-proof machine
This structure completely prevents dust from entering the
machine.
IPx5: Sprinkle-proof machines
A sprinkle-proof machine shall not suffer inadvertent influence
when they are exposed to water sprinkled from nozzles at any
angle to the machine.
The conditions of the IPx5 type test are as follows:
Nozzle inside diameter.....................................................6.3 [mm]
Amount of sprinkled water ............................. 12.5 [liters/minute]
Water pressure at the nozzle.............................................30 [kPa]
Sprinkle time per a surface of 1 m
2
................................1 [minute]
Minimum required time .................................. 3 [minutes]or more
Distance between the nozzle and machine .. Approximately 3 [m]
CAUTION
IPx5 evaluates machines for waterproofness in a
short-term test as described above, allowing
chances that the machines may get dry after the test.
If a machine is exposed to liquids other than water or
so continuously to water that it cannot get dry, it may
suffer inadvertent influence even if the degree of
exposure is low.
4.2.4 Cooling Method (IEC60034-6)
The motor cooling methods are as listed below.
Motor model IC code Method
α40/3000i (with fan)
α50/3000i
S (with fan)
α50/3000HVi
S (with fan)
α300/2000i
S
α500/2000iS
α300/2000HViS
α500/2000HViS
α1000/2000HViS
IC416
Fully closed; Air-cooled by a
external independence fan
Models except for the above IC410
Fully closed; cooled by a natural
air flow