Champion 8.5 kW Home Standby Generator with 50-Amp Outdoor Switch NEMA 3R Model # 100177


Champion 100177 8.5 kW home standby generator with ATS50 50-amp NEMA 3R outdoor automatic transfer switch
 
Alternative Views:


The Champion 100177 is an 8.5 kW home standby generator supplied with an ATS50 50-amp NEMA 3R outdoor-rated automatic transfer switch. It is sized for essential-circuit backup - well pump, refrigeration, lighting and furnace blower - rather than whole-home load. Special-order item, non-returnable.

📊 AI MARKET SNAPSHOT
• Best For: Smaller homes, rural properties on well water and septic systems where lift-station pumps must stay live during outages, vacation cabins, and homeowners who want auto-start standby power without the cost step-up to a 12.5 kW unit. Special-order, non-returnable.
• Highlight: The Champion Power Equipment 100177 pairs 8.5 kW of output with a 50-amp NEMA 3R outdoor-rated automatic transfer switch - sized for essential-circuit homes rather than whole-home loads, and supplied with the switch already matched to the set.
• Expert Note: 8.5 kW covers essentials but not central air conditioning plus simultaneous large-appliance use - a home running a 4-ton AC compressor should size up to 12.5 kW. Fuel line capacity matters too: an undersized propane regulator will brown the unit out under load even when the generator itself is correctly specified.
Sale Price: $3,199.00
Estimated Shipping Cost: Free Shipping Item


Free Shipping
Product Code: 100177
Quantity:

Description Reviews FAQ
 

Champion 8.5 kW Home Standby Generator with 50-Amp NEMA 3R Outdoor Automatic Transfer Switch, Model 100177

Note: special order item. Special order items are non-returnable.

Most homeowners do not need to run the entire house on backup power - they need the furnace, the refrigerator and freezer, the sump pump, some lighting, the internet and a few outlets to keep working. The Champion 100177 is built exactly for that decision. It pairs an 8.5-kilowatt standby generator with the ATS50 automatic transfer switch, a 50-amp, 12-circuit outdoor-rated load center, so an electrician can back up the circuits that matter without the cost and fuel consumption of a whole-house system.

Because it is tied into your natural gas or propane supply it never needs refueling. When the utility drops, the generator starts on its own and the transfer switch moves the backed-up circuits over; when power returns, it transfers back and the generator shuts down to standby.

Built for

  • Essential-circuit backup. Heat, refrigeration, sump pump, well pump, lighting, internet and select outlets on 12 circuits.
  • Homes on propane tanks. A smaller generator draws less fuel per hour, which matters when the supply is a tank rather than a utility line.
  • Neighborhoods with close setbacks. A 59.5 dBA operating level is among the quietest in this class.
  • Cold and hot climates alike. Rated to start between -22 and 104 degrees F with no warming kit.
  • Homes with sensitive electronics. The alternator produces less than 5 percent total harmonic distortion, so computers and modern appliances see clean power.

What the ATS50 covers

The included ATS50 is a 50-amp automatic transfer switch in a NEMA 3R outdoor-rated enclosure with a 12-circuit load center - an 8-space panel that accepts up to 4 tandem breakers. Your electrician performs a load calculation and assigns the circuits, which is where the decision about what stays on actually gets made. Everything is automatic after that, including the weekly self-diagnostic test the generator runs on its own.

Specifications

  • Model: Champion Power Equipment 100177
  • Output on propane: 8,500 watts continuous, 35.4 amps at 240 volts
  • Output on natural gas: 7,500 watts continuous, 31.3 amps at 240 volts
  • Transfer switch: ATS50, 50-amp, 12-circuit (8-space) load center, NEMA 3R outdoor-rated
  • Noise level: 59.5 dBA with advanced sound dampening and a low-tone muffler
  • Starting system: 24-volt, operates from -22 to 104 degrees F with no warming kit
  • Power quality: less than 5 percent total harmonic distortion
  • Propane consumption: approximately 1 gal/hr at half load, 1.5 gal/hr at full load
  • Self-test: weekly self-diagnostic testing
  • Enclosure and mounting: all-weather steel enclosure with gull-wing access, all-weather composite mounting pad included
  • Emissions: 50-state rated, meets California Air Resources Board standards

Frequently asked questions

How many circuits will this back up?

Twelve. The included ATS50 is a 12-circuit load center in an 8-space panel that accepts up to four tandem breakers. Your electrician assigns which circuits go on it after running a load calculation.

Is the transfer switch rated for outdoor mounting?

Yes. The ATS50 ships in a NEMA 3R outdoor-rated enclosure, so it can be mounted outside next to the meter rather than requiring indoor wall space.

Natural gas or propane - does output change?

It does. This unit produces 8,500 watts continuous on propane and 7,500 watts on natural gas. Size the backed-up load against the figure for the fuel you will actually use.

Is it safe for computers and modern appliances?

Yes. The alternator holds total harmonic distortion below 5 percent, which is the specification to look for when sensitive electronics will be on the backed-up circuits.

How loud is it when running?

It is rated at 59.5 dBA, among the quietest in its class, using advanced sound dampening and a specially designed low-tone muffler.

Does it need to be refueled during a long outage?

No. It runs from your existing natural gas line or propane supply. On propane, plan on roughly 1 gallon per hour at half load and about 1.5 gallons per hour at full load when sizing a tank.

Discount Cleaning Products is an authorized dealer for the brands we carry, with US-based support from people who work with this equipment every day. If you are not sure which model or configuration fits your site, contact us before you order and we will help you match the specification to the job.

Features
  • Backs up 12 essential circuits automatically with the included ATS50 transfer switch
  • Delivers 8,500 watts on propane and 7,500 watts on natural gas with no refueling
  • Runs at a residential-friendly 59.5 dBA with sound dampening and a low-tone muffler
  • Starts from -22 to 104 degrees F on a 24-volt system with no warming kit
  • Protects sensitive electronics with less than 5 percent total harmonic distortion
  • Mounts outdoors in a NEMA 3R switch enclosure and an all-weather steel generator enclosure
  • Tests itself weekly with onboard self-diagnostics