Answer

Can the Champion 4500W Dual Fuel Inverter (200988) run Zoeller Model 53 3/10 HP sump pump, 115 V?

Runs

Runs. Running draw 1,116 W fits within 3,500 running watts. Startup watts were not published; 4,500 starting watts is at least 3× the running draw, the common planning allowance for a compressor or pump start.

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The comparison

Champion 4500W Dual Fuel Inverter (200988)Zoeller Model 53 3/10 HP sump pump, 115 V
Running watts3,500 W1,116 W
Starting / surge watts4,500 WNot published
Typeinverter, Dual fuel (gasoline/propane)Pumps
Published runtime14 hr at 1/4 load on gasoline, 21 hr on a 20-lb propane tank
SourcesGenerator sourceAppliance source

Questions

Can the Champion 4500W Dual Fuel Inverter (200988) run Zoeller Model 53 3/10 HP sump pump, 115 V?

Runs. Running draw 1,116 W fits within 3,500 running watts. Startup watts were not published; 4,500 starting watts is at least 3× the running draw, the common planning allowance for a compressor or pump start.

What watts were compared?

Generator: 3,500 running W and 4,500 starting W on gasoline. Appliance: 1,116 W running, startup not published.

How long will it run?

Fuel runtime depends on total load. Published runtime: 14 hr at 1/4 load on gasoline, 21 hr on a 20-lb propane tank.

Where did the numbers come from?

Champion spec table: gasoline 4500 starting / 3500 running; propane 4500 / 3150; TT-30R, 5-20R duplex, 12V DC; 2.25 gal; 14 hr gas / 21 hr propane at 1/4 load; 61 dBA. Zoeller lists the Model 53 at 3/10 HP, 115 V or 230 V, and 4.8–9.7 A. The 115 V automatic model in Zoeller's 50-series technical table is 9.7 A. Running watts used here are 9.7 × 115 = 1,115.5 W. Startup amps are not published. How often the float runs is site-specific, so no duty cycle is stored.

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