Chint Catalogue Infinity

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Helpful Information

Definition of Degrees of Protection to IEC I44

Useful Formulae

IP PROTECTION AGAINST SOLID OBJECTS

0 1 2 3 4 5 6 0 1 2 3 4 5 6 7 8

No Protection

Protection against solid objects up to 50mm e.g. accidental touch by hands Protection against solid objects up to 12mm e.g. fingers Protection against solid objects up to 2.5mm e.g. tools and wires Protection against solid objects over 1mm e.g. tools and small wires

Protection against dust (no harmful deposit)

Totally protected against dust

PROTECTION AGAINST LIQUIDS

No Protection

Protected against vertically falling drops of water e.g. condensation Protected against direct sprays of water up to 15˚ from the vertical Protected against sprays to 60˚ from the vertical Protected against water sprayed from all directions Protected against low pressure jets of water from all directions

KVA TO AMPERES (415V 3PH)

Protected against conditions on ship decks

KVA

A

KVA

A

Protected against immersion in water

45 58 72 90

63 80

453 575 719 899

630 800

Protected against long periods of immersion under pressure

100 125 160 200 250 315 400 500

1000 1250 1600 2000 2500 3150 4000

115 144 180 226 288 359

1150 1438 1797 2264 2875

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