REXROTH RD 500 Series, Applications Manual

Page: 144 / 276

5-4
Inverter Technical Data RD 500 RD51
DOK-RD500*RD51*******-IB04-EN-P
5.4 Technical Data for Size Classes C, D and E with Pulse
Frequency f
p
= 8 kHz
8 kHz 6 kHz
RD51 022 030 037 045 055 075 090 110
Rated motor output
1)
kW
18.5 22 30 37 45 55 75 90
Supply voltage DC 530 ... 670 V (±10 %)
2)
Output frequency Hz 0 - 500
Rated current A 35 43 56 68 82 99 135 165
Peak current for t = 60 s A 46 55 73 88 107 129 176 215
t = 1 s A 60 72 95 116 139 168 230 280
t = 0.5 s A 70 85 112 136 164 198 270 330
Rated output S
N
kVA 23 28 37 45 54 65 89 109
Peak power for t = 60 s kVA 30 36 48 58 70 85 116 142
Supply voltage DC 700 V (±10 %)
Output frequency Hz 0 - 500
Rated current A 28 34 45 55 66 80 108 130
Peak current for t = 60 s A 36 44 59 72 86 104 140 169
t = 1 s A 48 58 77 94 112 136 184 221
t = 0.5 s A 56 68 90 110 132 160 216 260
Rated output S
N
kVA 23 28 37 45 54 66 89 107
Peak power for t = 60 s kVA 30 36 49 59 71 86 115 139
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 0.8 0.9 1.0 1.1 1.6 2.1 2.8 2.9
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.