Motor Starting Current Calculator

Estimate the inrush current drawn during motor start for different starting methods — critical for switchgear, cable, and UPS sizing.

Motor Starting Current

Full Load Current – FLC (A)

Starting Method

Locked Rotor Current – LRC multiplier (×FLC)

Starting Current (Is)300.0 A

Starting Current (A):300.0 A

Starting Current (× FLC):6.0×

DOL Starting Current:300.0 A

Starting Torque:—

Starting Method:DOL

Formula UsedIs = FLC × LRC_factor