REXROTH RD 500 Series, Applications Manual

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RD 500 RD51 Inverter Technical Data
5-3
DOK-RD500*RD51*******-IB04-EN-P
5.3 Technical Data for Size Classes C, D and E with Pulse
Frequency f
p
= 4 kHz
4 kHz
RD51.1 022 030 037 045 055 075 090 110
Rated motor output
1)
kW
22 30 37 45 55 75 90 90
Supply voltage DC 530 ... 670 V (±10 %)
2)
Output frequency Hz 0 - 250
Rated current A 43 56 68 82 99 135 165 195
Peak current for t = 60 s A 55 73 88 107 129 176 215 254
t = 1 s A 72 95 116 139 168 230 281 332
t = 0.5 s A 85 112 136 164 198 270 330 390
Rated output S
N
kVA 28 37 45 54 65 89 109 128
Peak power for t = 60 s kVA 37 48 58 70 85 116 142 167
Supply voltage 700 V DC (±10 %)
Output frequency Hz 0 - 250
Rated current A 34 45 54 66 80 108 130 160
Peak current for t = 60 s A 44 59 70 86 104 140 169 208
t = 1 s A 58 77 92 112 136 184 221 272
t = 0.5 s A 68 90 108 132 160 216 260 320
Rated output S
N
kVA 28 37 44 54 66 89 107 132
Peak power for t = 60 s kVA 36 49 58 71 86 115 139 171
Ambient conditions, noise suppression level, interference immunity
Environmental class 3K3 according to DIN IEC 721-3-3 (ambient temperature 0 – 40 °C operation, to
50 °C power reduction at 2.5 % per K)
Cooling air requirement m³ / s 0.1 0.1 0.2 0.2 0.4 0.4 0.4 0.4
Power loss kW 0.6 0.9 0.8 0.95 1.4 1.7 2.2 2.5
Radio int. sup. level / noise immunity A 1 according to EN 55011 / EN 61800-3
Mechanical design
Size classes C C C C D D E E
Degree of protection IP 20 according to EN 60529 (without connection terminals)
Weight of inverter for the various cooling types
L Forced air cooling kg 22 22 22 22 32 32 44 44
D Plug-through cooler kg 20 20 20 20 30 30 42 42
1): Max. permissible motor power based on 4-pin standard induction
motor
2): Starting at an output voltage Ua >400 V, the rated current is linearly
reduced from 100 % to 83 % for Va = 480 V.