SP 1, SP 2, SP 2.3, SP 2.4 5
SPR1, SPR 2, SPR 2.3, SPR 2.4
- version „marine“ - for climate group World-Wide (WW) / all climate groups except Extremely cold
(EC) and Antarctica inland with corrosion resistance C4 (EN ISO 12944-2), with temperatures -50°C
to +55°C
Besides this according to GOST 15 150- 69:
- version „tropical“ meet with Dry and Damp tropics, for climate types Warm Temperate
(WT), Warm Dry (WDr), Mild Warm Dry (MWDr), Extremely Warm Dry
(EWDr), Warm Damp (WDa) and Warm Damp Equable (WDaE) with
corrosion resistance C3 (EN ISO 12944-2), with temperatures -25°C to
+55°C.
Category of location
- versions “standard“, “cold”, “universal” and “tropical” are intended for location under the
shelter (category 2)
- version “marine“ is intended for location on the open space (category 1)
Atmosphere type
- versions “standard“, “cold”, “universal” and “tropical” are intended for location in atmosphere
type II industrial
- version “marine“ is intended for location in atmosphere type III sea, type IV sea industrial
(In accordance with IEC 60 364-3:1993)
the EA have to resist external effects and operate reliably:
In the conditions of the following types of environment:
• warm mild to very hot dry with temperature in range -25°C to +55°C .....................................AA 7*
• cold, warm mild to hot dry with temperatures -50°C to 40°C....................................................AA 8*
in industrial environment: at temperatures stated above
• with relative humidity 10 to 100 %, including the condensation of up to 0,029 kg water content per
1 kg of dry air at 27 °C, with temperatures from -25°C up to +55°C .........................................AB 7*
• with relative humidity of 15÷100%, including the condensation of up to 0,036 kg water content per
1 kg of dry air at 33 °C direct exposed to a possible rainfall, with temperatures from –50°C up to
+40°C ....................................................................................................................................... AB 8*
• with height above sea level 2 000 m, with barometric pressure range 86 to 108 kPa ..............AC 1*
• with spraying or jet water from all directions–(protection enclosure IP x5) ...............................AD 5*
• with shallow dive – (product in protection IP x 7) ......................................................................AD 7*
• with strong dustiness – with a possibility of influences of inflammable, non-conducted and non-
explosive dust; the middle layer of dust; the dust drop more than 350 but not more than 1000
mg/m
2
per day (products with protection enclosure of IP 6x) ................................................... AE 6*
• with atmospheric occurrence of corrosive and pollution media (with high degree of atmosphere
corrosive aggressiveness); important presence of corrosive pollution ..................................... AF 2*
• with permanent exposure of big amount of corroding or contaminated chemicals and salt fog in
execution for sea environment , for sewage water disposal plant and some chemical plant.... AF 4*
• with a possibility of influences of mechanical stress:
• medium sinusoid vibrations with frequency in range 10 up to 150 Hz, with shift amplitude of 0,15
mm for f<fp and acceleration amplitude 19,6 m/s
2
for f>fp; (transition frequency fp is from 57 up
to 62 Hz) ..............................................................................................................................AH 2*
• medium impacts, shocks and vibrations ...............................................................................AG 2*
• with serious danger of plants and moulds growing .................................................................. AK 2*
• with serious danger of animals occurrence (insects, birds, small animals) ...............................AL 2*
• with detrimental influence of radiation:
• of stray current with intensity of magnetic field (direct and alternating of power supply frequency)
to 400 A.m
-1
........................................................................................................................ AM 2*
• of sun radiation with intensity > 500 a ≤ 700 W/m
2
............................................................... AN 2*
• with effects of medium seismic activity with acceleration > 300 Gal ≤ 600 Gal .......................AP 3*
• with indirect danger of storm activity ........................................................................................AQ 2*
• with fast moving of air and strong winds ....................................................................... AR 3 , AS 3*
• with persons frequent touching earth potential (persons often touch conductive parts or they stand
on the conductive basement) .................................................................................... BC 3*
• without any danger media with object ...................................................................................... BE 1*