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⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

550 Amp Cable Size at 200 Meters (690V Three-Phase (Wind / Heavy Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 550 A over 200 m (656.2 ft).

Copper Cable (≤3% Drop)400 mm²Drop: 10.19V (1.48%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 16.81V (2.44%)
Voltage at Load679.8 VLine Loss: 9710.2 W
Max Power & Breaker657.31 kW600A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 200m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2718.17 V (393.94%)0.0 V4483.7 V (649.81%)2589400.0 WDrop High
2.5 mm²24 A18 A1630.9 V (236.36%)0.0 V2690.22 V (389.89%)1553640.0 WDrop High
4 mm²32 A25 A1019.31 V (147.73%)0.0 V1681.39 V (243.68%)971025.0 WDrop High
6 mm²41 A32 A679.54 V (98.48%)10.5 V1120.93 V (162.45%)647350.0 WDrop High
10 mm²57 A44 A407.72 V (59.09%)282.3 V672.56 V (97.47%)388410.0 WDrop High
16 mm²76 A59 A254.83 V (36.93%)435.2 V420.35 V (60.92%)242756.2 WDrop High
25 mm²101 A78 A163.09 V (23.64%)526.9 V269.02 V (38.99%)155364.0 WDrop High
35 mm²125 A97 A116.49 V (16.88%)573.5 V192.16 V (27.85%)110974.3 WDrop High
50 mm²151 A118 A81.54 V (11.82%)608.5 V134.51 V (19.49%)77682.0 WDrop High
70 mm²192 A150 A58.25 V (8.44%)631.8 V96.08 V (13.92%)55487.1 WDrop High
95 mm²232 A181 A42.92 V (6.22%)647.1 V70.8 V (10.26%)40885.3 WDrop High
120 mm²269 A210 A33.98 V (4.92%)656.0 V56.05 V (8.12%)32367.5 WDrop High
150 mm²309 A241 A27.18 V (3.94%)662.8 V44.84 V (6.5%)25894.0 WDrop High
185 mm²353 A275 A22.04 V (3.19%)668.0 V36.35 V (5.27%)20995.1 WDrop High
240 mm²415 A324 A16.99 V (2.46%)673.0 V28.02 V (4.06%)16183.7 WDrop High
300 mm²477 A372 A13.59 V (1.97%)676.4 V22.42 V (3.25%)12947.0 WDrop High
400 mm²570 A445 A10.19 V (1.48%)679.8 V16.81 V (2.44%)9710.2 W✓ OK (≤3%)

FAQ — 550 Amp Cable Size at 200 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 550A at 200 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 550A over 200m at 690V (voltage drop: 10.19V or 1.48%).

What is the power capacity of 550A at 690V?

At unity power factor, 550A at 690V supports 657.31 kW with a standard 600A circuit breaker.