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

700 Amp Cable Size at 10 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 700 A over 10 m (32.8 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.38V (0.78%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.24V (2.57%)
Voltage at Load47.6 VLine Loss: 262.1 W
Max Power & Breaker33.6 kW700A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A at 10m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A199.73 V (416.11%)0.0 V329.47 V (686.39%)139813.3 WDrop High
2.5 mm²24 A18 A119.84 V (249.67%)0.0 V197.68 V (411.83%)83888.0 WDrop High
4 mm²32 A25 A74.9 V (156.04%)0.0 V123.55 V (257.4%)52430.0 WDrop High
6 mm²41 A32 A49.93 V (104.03%)0.0 V82.37 V (171.6%)34953.3 WDrop High
10 mm²57 A44 A29.96 V (62.42%)18.0 V49.42 V (102.96%)20972.0 WDrop High
16 mm²76 A59 A18.72 V (39.01%)29.3 V30.89 V (64.35%)13107.5 WDrop High
25 mm²101 A78 A11.98 V (24.97%)36.0 V19.77 V (41.18%)8388.8 WDrop High
35 mm²125 A97 A8.56 V (17.83%)39.4 V14.12 V (29.42%)5992.0 WDrop High
50 mm²151 A118 A5.99 V (12.48%)42.0 V9.88 V (20.59%)4194.4 WDrop High
70 mm²192 A150 A4.28 V (8.92%)43.7 V7.06 V (14.71%)2996.0 WDrop High
95 mm²232 A181 A3.15 V (6.57%)44.8 V5.2 V (10.84%)2207.6 WDrop High
120 mm²269 A210 A2.5 V (5.2%)45.5 V4.12 V (8.58%)1747.7 WDrop High
150 mm²309 A241 A2.0 V (4.16%)46.0 V3.29 V (6.86%)1398.1 WDrop High
185 mm²353 A275 A1.62 V (3.37%)46.4 V2.67 V (5.57%)1133.6 WDrop High
240 mm²415 A324 A1.25 V (2.6%)46.8 V2.06 V (4.29%)873.8 WDrop High
300 mm²477 A372 A1.0 V (2.08%)47.0 V1.65 V (3.43%)699.1 WDrop High
400 mm²570 A445 A0.75 V (1.56%)47.3 V1.24 V (2.57%)524.3 WDrop High

FAQ — 700 Amp Cable Size at 10 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 700A at 10 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 700A over 10m at 48V (voltage drop: 0.38V or 0.78%).

What is the power capacity of 700A at 48V?

At unity power factor, 700A at 48V supports 33.6 kW with a standard 700A circuit breaker.