|
All about Certifications and
IP ratings... |
|
|
|
IP Ratings (IP
XX) |
|
|
|
IP |
X |
Description |
X |
Description |
|
|
0 |
No protection |
0 |
No protection |
|
|
1 |
Objects > 50 mm |
1 |
Vertically dripping water |
|
|
2 |
Objects > 12 mm |
2 |
75 to 90 degrees dripping water |
|
|
3 |
Objects > 2.5 mm |
3 |
Sprayed water |
|
|
4 |
Objects > 1 mm |
4 |
Splashed water |
|
|
5 |
Dust protected |
5 |
Water jets |
|
|
6 |
Dust tight |
6 |
Powerful water jets (Heavy Seas) |
|
|
|
7 |
Effects of immersion |
|
|
|
8 |
Indefinite immersion |
|
|
|
Temperature Ratings ( T X) |
|
|
|
Max Surface Temperature |
CENELEC / IEC (Group II) NEC 505 |
NEC 500 / CEC |
|
450o C / 842o
F |
T1 |
T1 |
|
300o C / 572o
F |
T2 |
T2 |
|
280o C / 536o
F |
|
T2A |
|
260o C / 500o
F |
|
T2B |
|
230o C / 446o
F |
|
T2C |
|
215o C / 419o
F |
|
T2D |
|
200o C / 392o
F |
T3 |
T3 |
|
180o C / 356o
F |
|
T3A |
|
165o C / 329o
F |
|
T3B |
|
160o C / 320o
F |
|
T3C |
|
135o C / 275o
F |
T4 |
T4 |
|
120o C / 248o
F |
|
T4A |
|
100o C / 212o
F |
T5 |
T5 |
|
85o C / 185o F |
T6 |
T6 |
|
|
|
|
|
Zones |
|
|
|
Group II |
|
|
|
Zone 0 |
Continuously
hazardous |
|
|
|
Ex ia
intrinsic safety |
|
Zone 1 |
Frequently hazardous |
|
|
|
Ex ib intrinsic safety |
|
|
|
Ex e increased safety |
|
|
|
Ex p pressured or purged |
|
|
|
Ex v ventilation |
|
|
|
Ex s special protection |
|
|
Zone 2 |
Infrequently
hazardous |
|
|
|
Ex n
non-sparking |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|