Technical Data
‑145‑
Item
Specification
Module: MD520‑4Txxxxx
0.4B(S) 0.7B(S) 1.1B(S) 1.5B(S) 2.2B(S) 3.0B(S)
Input Rated input current (A)
(heavy load)
1.8 2.4 3.7 4.6 6.3 9
Rated input current (A) (light
load)
2.5 3.7 4.6 6.4 9.1 11.3
Rated voltage/frequency Three‑phase 380 V to 480 V, 50/60 Hz
Allowable voltage fluctuation
range
‑15% to +10%, or 323 VAC to 528 VAC
Allowable frequency
fluctuation range
±5%, or 47.5 Hz to 63 Hz
Power supply capacity (kVA)
(heavy load)
2 2.8 4.1 5 6.7 9.5
Power supply capacity (kVA)
(light load)
2.8 4.1 5 6.7 9.5 12
Heat
dissipation
design
Thermal design power (kW)
(heavy load)
0.039 0.046 0.057 0.068 0.081 0.109
Thermal design power (kW)
(light load)
0.046 0.057 0.068 0.081 0.109 0.138
Exhaust air volume (CFM) ‑ ‑ ‑ 9 9 9
Overvoltage
class
OVCIII
Pollution
degree
PD2
IP rating
IP20 (open type, for IEC products)
Type 1 (enclosed type, for UL‑certified products)
Table 6–2 Electrical parameters of T2 to T4 models (three‑phase 380 V to 480 V)
Item
Specification
Module: MD520‑4Txxxxx
3.7B(S) 5.5B(S) 7.5B(S) 11B(S) 15B(S)
Structure T2 T3 T4
Output Power (kW) (heavy load)
3.7 5.5 7.5 11 15
Power (kW) (light load)
5.5 7.5 11 15 18.5
Rated output current (A)
(heavy load)
9 13 17 25 32
Rated output current (A)
(light load)
13 17 25 32 37
Output voltage Three‑phase 0 V to input voltage
Maximum output frequency 599 Hz (edited through parameters)
Carrier frequency
0.5 kHz to 16.0 kHz (automatically adjusted according to the load
characteristics)
Overload capacity
Heavy load: 60s at 150% of the rated current
Light load: 60s at 110% of the rated current
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