Current Amps 120 240 Volt Dc Motors

Overview

Engineering reference data for Current Amps 120 240 Volt Dc Motors in electrical engineering.

Key Formulas

Ohm's Law

$V = IR$

Voltage = Current × Resistance.

Power

$P = VI = I^2R = V^2/R$

Electrical power.

Energy

$E = Pt$

Energy = Power × Time.

Variables

Symbol	Description	Unit
$V$	Voltage	V
$I$	Current	A
$R$	Resistance	Ω
$P$	Power	W

Full-Load Current Data Table

The following table provides the approximate full-load currents for common DC motor ratings at 120V and 240V. This data is essential for circuit design, conductor sizing, and overcurrent protection selection.

Power Conversion Note

A common and important conversion for DC motor analysis is:

$1 \text{ hp} = 0.75 \text{ kW}$

This relationship is useful when comparing motor ratings or performing power calculations in SI units.

Interactive Charts

References

• Original Source