Skip to content
PanelCalc
Browse: Calculators, Guides, About

Multi-Motor Load Summary

Feeder for up to five motors: 125% largest + rest per NEC 430.24, plus other load, standard main. 8 inputs, 5 outputs with grouped results.

Inputs

Motors (FLA)

Largest first.

Second motor.

Third motor.

0 if unused.

0 if unused.

System

Lighting, controls, heaters.

Line volts.

For kVA.

Result

Feeder ampacity
Waiting for calculation.
Feeder kVA
Waiting for calculation.
Feeder kW
Waiting for calculation.
Motor total
Waiting for calculation.
Standard main
Waiting for calculation.
Screening calculation only. Verify against NEC articles cited on the page and the equipment nameplate; the authority having jurisdiction governs.

Related calculators

Calculator

Fire Pump Feeder Sizer

125% conductors with locked-rotor-rated OCPD per NEC 695. 3 inputs, 3 outputs.

Outputs: Conductor amps (125%) · Locked-rotor current · OCPD carries LRA

Open calculator

Calculator

Motor Branch Circuit Sizer

Gauge-picked conductor at 125% FLA, ground reference, conduit fill hint and voltage at motor. 6 inputs, 4 outputs with grouped results.

Outputs: Min conductor ampacity · Chosen gauge adequate (1=yes) · Drop at motor

Open calculator

Calculator

Motor Disconnect Sizer

Disconnect at 115% FLA per 430.110(A) to a standard switch size. 2 inputs, 3 outputs.

Outputs: FLA at voltage · Minimum at 115% · Standard disconnect

Open calculator

Calculator

Motor Full-Load Current Calculator

Estimate FLA from HP, efficiency and PF, cross-checked against the NEC Table 430.250 dataset. 4 inputs, 5 outputs with grouped results.

Outputs: Estimated full-load current · NEC 430.250 table FLA · Estimate vs table

Open calculator

Workspace

Keep the assumptions with the result.

Save this calculation to return to the inputs, result, and report from your private workspace.

Sign in or create an account to save this calculation.