Briggs & Stratton Standard SED Transfer Switch, 150A, NEMA 3R
$875.24
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Best battery investment! 48v perfect for my inverter. Charges fast lasts long
love the stackable design. added third unit easy. lifepo4 safe no heating issues
owned a year zero hiccups five big stars
installed a year ago zero issues five bright stars.
Checked temps under full load cool to the touch impressed
one year anniversary today zero failures zero regrets five shiny stars from me
One year owning today zero failures can’t beat that peace of mind.
Noise level like central AC not bad at all.
even grandma figured out the controller buttons nice and simple.
set it forget it peace of mind 24 / 7 cant beat it.
quiet mode exercise so soft I hardly hear it
Forget worrying about winter, this thing solved it
good gear just pricey.
Love ability to switch fuels flexible for rural home
installed outside in full sun no heat issues even at 95°f
InfoHub subscription extra cost but alerts are handy worth it to me
looks sharp gray aluminum case blends with siding
set it forget it peace of mind when grid drops
Runs the well pump, fridge, and my shop tools couldn’t ask for more
We work from home internet router never dropped once power went out perfect uptime.
Grid drop notice hit my phone then I heard the gen fire Timing perfect
first big test tornado watch no outages but self test quiet.
Nice low current draw; meter shows barely a blip.
this simpliphi battery rocks. stacked 2 for solar backup. powers whole house no prob runs quiet
Paired with 26 kW Briggs generator, flawless integration, nothing to program
Little louder than I hoped but still way quieter than the portable we had before
PowerProtect name fits it guarded my shop tools all day smooth voltage
Outstanding backup power. Briggs & Stratton reliability. Weathered outage perfectly.
Dual fuel = peace of mind switched to nat gas no hassle
7-year warranty sealed the deal feels like a long-term investment.
INSTALL TOOK 12 MIN TOPS cannot believe I waited this long
aluminum case survived freezing rain no rust no stains looks new.
aint let me down once power blips almost fun now
Storm knocked power 3 times this month switch didn’t miss a beat
keeps my electric dryer off till the fridge is steady, perfect load balance
Best home investment since the kitchen remodel peace of mind priceless
Slick little heater pad simple directions grandma could do it
five stars no doubt kept oil warm at ‑10 ° last night.
Generator guru here. Installed dozens—never one comeback. Reliable kit.
survived ice storm three days straight never skipped a beat
Heat pump and upstairs AC both happy zero overloads.
My wife thought we’d be in the dark for days install guy was done before lunch great product.
Seven-year warranty gave me confidence Quiet enough neighbors never complained.
Ran my 13 kW twice this week in snow, starts smooth like summer.
Kept battery warm through a weeklong outage. No hiccups at all.
Weekly self-test is neat I check it over coffee every Monday.
rain snow heat no problem out here in Wisconsin nice tough box.
love this thing saved me hundreds by keeping my old transfer switch
Hands-down best upgrade for our rural place no more dragging portables around
Running on natural gas here in Texas. Monthly test is 16 seconds—barely time to notice.
Runs on LTE so no WiFi drama at the cabin. Finally sleepin easy.
symphony choice is magic lets both ACs run without tripping love it .
good heater does what it says aint rocket science.
I love how quiet the switch is no buzz at all. Five stars.
wish the InfoHub module was included had to buy separate otherwise unit is perfect for the farm
Installation was smooth, footprint small, neighbors barely hear it.
install was a breeze twenty minutes tops and i am no electrician
We used a smaller generator thanks to this manager. Bills and fuel look better.
Ran my heat pump pool pump and lights at same time no sweat wow
does the job real nice
Plugged to natural gas no refuel hassle ran the whole AC plus fridge sweet deal
install was easy for my electrician and it just works
solid box, weatherproof like they said no drama, just power.
Great machine only wish the app was standard gotta buy the module
Install was smooth remote monitoring extra but worth it
good machine runs whole house fine just wish the wifi kit came in box had to order separate
Hooked to my A/C in ten minutes and it’s been flawless since.
Swap was done in 90 min kept my old switch super happy
Hooked it up in one afternoon smooth as butter runs both my panels no sweat
kicks on fast lights never flicker
solid 5 stars runs smooth n quiet dont worry bout outages no more
Flipped to generator power in seconds last storm. Exactly what I needed
Have a question about Briggs & Stratton Standard SED Transfer Switch, 150A, NEMA 3R? Feel free to ask!
Specification
| Manufacturer | Briggs & Stratton |
| Manufacturer Part # | 071250 |
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About product
The Briggs & Stratton Standard SED Transfer Switch delivers safe, code-compliant switching between utility and generator power. Rated at 150 A and housed in a rugged NEMA 3R enclosure, it combines a service-entrance disconnect (SED) with a dependable automatic transfer mechanism — streamlining installation and protecting your mid-size home or light commercial site during outages.
- 150 A service-entrance rated (SED) transfer switch
- Single-phase 120/240 VAC, 2-pole design
- NEMA 3R outdoor-rated galvannealed-steel enclosure (rain- & corrosion-resistant)
- 22 kA breaker withstand rating helps protect downstream equipment
- Separates utility and generator sources to prevent back-feed
- Works with Briggs & Stratton standby generators and most comparable 120/240 V units
- Brown-out sensing and break-before-make action for smooth transfers
- UL 1008 listed / cUL certified (meets national electrical codes)
Seamless, automatic protection
If utility power fails, the switch senses the outage and transfers selected loads to generator power — then seamlessly returns to the grid once it’s stable again. Your essential circuits stay online without manual intervention.
Service-entrance convenience in one box
The integrated SED provides an NEC-compliant main disconnect and transfer switch in a single enclosure. That simplifies wiring, reduces install time, and keeps inspectors happy.
Built to brave the elements
A weatherproof NEMA 3R cabinet mounts outdoors right next to your meter or generator. Powder-coated steel and gasketed doors keep moisture and debris out, ensuring long-term reliability.
Installer-friendly layout
Roomy wiring space, pre-drilled knockouts, and clearly marked lugs help electricians finish faster. Neutral and ground bars come pre-installed for a clean, organized hookup.
Electrical Ratings
Amperage: 150 A • Voltage/Phase: 120/240 VAC, 1φ • Poles: 2 • Enclosure: NEMA 3R • Listing: UL 1008
Size
30.1" × 14.5" × 7.0"
Weight
49 lb
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