Maximum continuous operating voltage
3×340 to 530 VAC
Nominal operating voltage
3×380 to 480 VAC
Rated currents
4 to 1010 A @ 45°C
Overload capability
1.6x rated current for 1 minute, once per hour
Impedance
2% @ 400 V, 50 Hz and rated rms current
High potential test voltage
P -> P 3000 VAC, 1 s
P -> E 3000 VAC, 1 s
Earthing system
TN, TT, IT
Overvoltage category
OV III (IEC 60664-1 / UL 61800-5-1)
Pollution degree
PD3
Temperature range (operation and storage)
-40°C to +45°C fully operational
+45°C to +100°C derated operation*
-40°C to +100°C transport and storage
Climatic category
40/100/21 (IEC 60068-1)
Cooling
Natural cooling AN
Protection category
IP 00
Flammability corresponding to
UL 94 V-2
Design corresponding to
UL 61800-5-1, EN 61558-2-20, EN 60076-6
Insulation class
UL electrical insulation system JL-180
Lifetime (calculated)
20 years
derating according NEC 310-15(C)
Iderated = Inominal*SQRT((Tmax-Tamb)/(Tmax-Tnominal)) = Inominal*SQRT((100°C-Tamb)/55°C)