Classification to degree of dust protection

Classification to degree of moisture protection

Luminaire Class

Symbol

Description

Luminaire Class

Symbol

Description

0

No protection against ingress of solid

0

No protection against water.

1

Protection against ingress of large, solid foreign bodies. Objects equal to or larger than 50 mm.

1

Vertical Drop-proof

Protection against vertical drops of liquid.

2

Protection against ingress of medium sized, solid foreign bodies. Objects equal to or greater than 12.50 mm.

2

Angle drip-proof

Protection against drops of liquid. Drops of liquid shall have no harmful effect when the luminaire is tilted at any angle up to 15⁰ from the vertical.

3

Protection against ingress of small, solid foreign bodies. Objects equal to or greater than 2.50 mm.

3

Rain-proof

Protection against rain, Rain falling at an angle equal to or less than 60⁰ from the vertical shall have no harmful effect.

4

Protection against small particles. Objects equal to or greater than 1.00 mm.

4

Splash-proof

Protection against splashing. Liquid splashed from any direction shall have no harmful effect.

5

Dust-proof

Protection against harmful deposits of dust. The ingress of dust is not totally prevented, but dust cannot enter in an amount sufficient to interfere with satisfactory operation of the equipment. Dust protected.

5

Jet-proof

Protection against jet water. Water projected by a nozzle from any direction under stated conditions shall have no harmful effects.

6

Dust-tight

Protection against ingress of dust. The ingress of dust is totally prevented. Dust tight.

6

Heavy Jet-proof

Protection against heavy seas and powerful water jets.

7

--M

Water tight

Protection against immersion in water. It must not be possible for water to enter the luminaire under stated conditions of pressure and time.

Tamper-proof enclosure and entry of dust is indicated by the:

The second digit indicates protection from ingress of liquids.

Unprotected

0

Vertical Drop-proof

1

Drip-proof

2

Rain-proof

3

Splash-proof

4

Jet-proof

Watertight

7

5

6

Semi-protected

2

IP 20

Standard model

IP 21

Drip-proof

IP 21

Drip-proof

IP 23

Rain-proof

Screen-protected

3

IP 34

Splash-proof

Screen-protected

4

IP 44

Splash-proof

IP 45

Jet-proof

Dust-proof

5

IP 54

Dust-proof

Splash-proof

IP 55

Dust-proof

Jet-proof

IP 56

Dust-proof

Heavy Jet-proof

Dust tight

6

IP 66

Dust-tight

Heavy Jet-proof

IP 67

--M

Dust-tight

Water-tight