⚡ NFPA 20 / NEC 695 (Dedicated Fire Pump ATS, Locked-Rotor 600% Inrush Withstand)

Fire Pump ATS & Circuit Breaker Calculator

Size dedicated Automatic Transfer Switches (ATS) and upstream circuit breakers for electric motor driven fire pumps under NFPA 20 & NEC Article 695: calculate locked-rotor inrush current (withstand 600% motor full-load amps FLA without tripping), instantaneous-only magnetic trip settings, utility/generator power feeds, and electrical contracting profits.

1. Project & Operating Inputs

Fire Pump Electric Motors Powered (Motor HP e.g. 150 HP 480V 3-Phase Motor)

Utility Service Voltage (Volts e.g. 480V 3-Phase 60Hz Power)

Customer Bid Price for Supplied, Landed & Tested Fire Pump ATS ($)

ASCO/Hubbell UL 1008 Fire Pump ATS, Copper Feeders, Master Electrician ($)

2. Financial Breakdown & Yield

NEC 695 / NFPA 20 FIRE PUMP ATS

Turnkey Fire Pump Electrical Package Profit

Substation Electrical Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost