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REFERENCE INFORMATION
INGRESS PROTECTION (IP) RATING
© FANTECH
2016
O-10
O
There is a wide range of applications that require special treatment to the motor and the
various degrees of protection that are available are detailed below:-
Designation
First Numeral Protection
against contact and ingress
of foreign bodies
Second NumeralProtection
against water.
IP44
Protection against contact with
live or moving parts
inside the enclosure by tools,
wires, or such objects of
thickness greater than 1mm.
Protection against ingress of
small solid foreign bodies
(diameter greater than 1mm)
excluding the ventilation
openings (intake and discharge
of external fans) and the drain
hole of enclosed machine,
which may have degree 2
protection.
Water splashed against the
enclosure from any direction
shall have no harmful effect
IP54
Water splashed against the
enclosure from any direction
shall have no harmful effect.
IP55
Water projected by a nozzle
against the enclosure from any
direction shall have no harmful
effect.
IP56
Water from heavy seas or water
projected from jets shall not
enter the enclosure in any
harmful quantity.
IP65
Complete protection against
contact with live or moving
parts inside the enclosure and
against the ingress of dust.
Water projected by a nozzle
against the enclosure from any
direction shall have no harmful
effect.
IP66
Water from heavy seas or water
projected from jets shall not
enter the enclosure in any
harmful quantity.
Complete protection against
contact with live or moving parts
inside the enclosure. Protection
against harmful deposits of
dust. The ingress of dust is not
totally prevented, but cannot
enter in an amount sufficient to
interfere with satisfactory
operation of the machine.