Electrical Load Calculator
Calculate total connected load, maximum demand, and electrical sizing requirements. Recommends main breaker size, cable sizing, and transformer capacity.
System Settings
Demand factor: 0.6x
Fixed Loads
Estimated at 180W per outlet with 30% diversity
Appliances
Appliance #1
Leave blank for default: 2000W
Appliance #2
Leave blank for default: 2500W
Connected Load
16.6 kW
Max Demand
7.7 kW
Main Breaker
50A
Connected Load
16.6 kW
Maximum Demand
7.7 kW
(9.1 kVA)
Electrical Sizing
Main Breaker Size50Amps
Recommended Cable16mm²
Appliance Breakdown
Split AC Unit (×3)6.0 kWDemand: 6.0 kW
Water Heater (×2)5.0 kWDemand: 4.0 kW
Fixed Load Summary
Lighting Load2.0kW
Central HVAC0.0kW
Socket Outlets20 outlets(3.6 kW)
Notes:
- Maximum demand includes diversity factors per appliance type
- Main breaker sized at 80% loading capacity
- Cable sizing based on current carrying capacity
- Transformer recommended when demand exceeds 50 kVA
- Power factor assumed at 0.85 for kVA calculation
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DISCLAIMER
This calculator provides ESTIMATES for preliminary planning purposes. Results are based on standard assumptions and may not reflect your specific project conditions.
By using this tool, you acknowledge that:
1. All calculations are approximate and based on typical industry standards and assumptions.