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IP Ratings - Degree of Protection

The dust-resistance and waterproofing degrees of protection for the equipment are classified according to EN 60529 (Specification Degrees of Protection Provided by Enclosures (IP Code)) (=IEC 60529), EN 60034-5 (Rotating Electrical Machines - Part 5: Degrees of Protection Provided by The Integral Design of Rotating Electrical Machines (IP Code) – Classification) (=IEC 60034-5), the testing method of which is indicated below.

An "X" is used when one of the two protection classes is not specified in the name (i.e. IPX5, IP4X).

Degree of Protection

IP Code Definitions

IP Code

Protection against Ingress of Human Body Parts and Solid Objects

First Number

Protection Level

Test Condition

IP0X

None

None

IP1X

Protection against approach by hands 

Solid objects with a diameter of 50 mm or more do not enter

IP2X

Protection against approach by fingers

Solid objects with a diameter of 12 mm or more do not enter

IP3X

Protection against tips of tools, etc.

Solid objects with a diameter of 2.5 mm or more do not enter

IP4X

Protection against ingress of wires, etc.

Solid objects with a diameter of 1.0 mm or more do not enter

IP5X

Protection against powdery dust

Powdery dust that may inhibit normal operation does not enter

IP6X

Completely dust-proof design

Cannot be penetrated by powdery dust

IP Code

Protection against Ingress of Water

Second Number

Protection Level

Test Condition

IPX0

None

None

IPX1

Protection against water drops falling vertically

Water drops at a rate of 3 to 5 mm/min for 10 minutes from a height of 200 mm

IPX2

Protection against water drops from directions within a range of 15˚ relative to the vertical plane

Water drops at a rate of 3 to 5 mm/min for 10 minutes from directions within 15˚ from a height of 200 mm

IPX3

Protection against raindrops from directions within a range of 60˚ relative to the vertical plane

Sprayed water at a rate of 10 /min for 10 minutes from directions within 60˚ from a height of 200 mm

IPX4

Protection against ingress of splashes from all directions

Sprayed water at a rate of 10 /min for 10 minutes from all directions at a distance of 300 to 500 mm

IPX5

Protection against water jet from all directions

Sprayed water jet of 30 kPa at a rate of 12.5 /min for 3 minutes from all directions at a distance of 3 m

IPX6

Protection against strong water jet such as ocean waves

Sprayed water jet of 100 kPa at a rate of 100 /min for 3 minutes from all directions at a distance of 3 m

IPX7

Usable after immersion in water under specified conditions

Immersion to a depth of 1 m for 30 minutes

IPX8

Usable under water

Determined through cooperation between user and manufacturer

 

AC Motors & Gear Motors
Brushless DC Motors
Stepper Motors
Cooling Fans


 

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