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Breaker Sizing Calculator

Calculate circuit breaker size for IT load.

The load or force applied to the system.
kW
Electrical potential difference measured in volts (V).
V
Multiplier used in the calculation.
The load or force applied to the system.
1=yes, 0=no

Results

Load Current:
Calculated load or force.
-A
Breaker Size:
Recommended size based on calculations.
-A
Min Wire Size:
Recommended size based on calculations.
-AWG
Reference: TIA-942 Standards. NEC 80% continuous load rule.