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Samlex SAM-1500C-12 12V inverter charger with 30A transfer switch
SAM-1500C-12 top view showing chassis and labeling
SAM-1500C-12 front panel with inverter and charger switches and LED indicators
SAM-1500C-12 rear panel with AC outlets, input cord and M9 DC terminals
Samlex SAM-1500C-12 12V inverter charger with 30A transfer switch
SAM-1500C-12 top view showing chassis and labeling
SAM-1500C-12 front panel with inverter and charger switches and LED indicators
SAM-1500C-12 rear panel with AC outlets, input cord and M9 DC terminals

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Samlex SAM-1500C-12 1500 Watt Inverter/Charger, 12V, Modified Sine Wave, 30A Transfer Switch

$553.70
$443.00
(You save $110.70 )
SKU: SAM-1500C-12
Availability: Usually ships in 24 hours
Shipping: Free shipping on orders $75 and up
Input Voltage: 12 VDC
Output: 115 VAC Modified Sine Wave
Continuous Power: 1500 W
Surge Power: 3000 W
AC Outlets: 2 x NEMA 5-15R
Battery Charger: 12V 15A, 2-stage (bulk/float)
Transfer Switch: 30 A automatic, 2-3 second transfer
Samlex SAM-1500C-12 1500 Watt Inverter/Charger, 12V, Modified Sine Wave, 30A Transfer Switch

Samlex SAM-1500C-12 1500 Watt Inverter/Charger, 12V, Modified Sine Wave, 30A Transfer Switch

$553.70
$443.00
(You save $110.70 )
Adding to cart… The item has been added
Description  

Samlex SAM-1500C-12 - 12V Inverter Charger, 1500W Modified Sine Wave, 30A Transfer Switch

When the grid drops, the SAM-1500C-12 hands your loads to the battery bank on its own; nobody has to be home. Three devices live in this one chassis: a 1500 watt modified sine inverter, a 30 amp automatic transfer switch, and a two-stage 12 volt, 15 amp battery charger that keeps the bank topped whenever shore or utility power is present. Plug the 6 foot cord into the wall, plug your loads into it, connect the batteries, and the changeover from grid to backup takes 2 to 3 seconds. Order online, or request a written quote in 24 to 48 hours.

Warranty

What backs it. Samlex America gives the SAM-1500C-12 a 2 year warranty. Every quote from us includes those terms in full, on paper.

Three Boxes Replaced by One

Automatic changeover
The 30 amp transfer relay senses grid loss and moves loads to the inverter in 2 to 3 seconds, then returns them within a second of power coming back.
Two-stage charging built in
Bulk at up to 15 amps, then a 13.8 volt float that a connected bank can sit on indefinitely without cooking off water.
Modes you actually choose
Separate front-panel switches for inverter and charger let it run as a UPS, a standalone inverter or a bench charger, with four LEDs reporting status.
  • Grid pass-through to 1500 watts through two NEMA 5-15R outlets, fed by a 6 foot cord with a standard plug: no hardwiring, no electrician.
  • Neutral-to-ground switching relay keeps grounding compliant in both modes, with GFCI protection while inverting.
  • 240 amps of reverse-polarity fusing (8 x 30 A automotive ATC) on the DC side.
  • Overload tolerance with a memory: carries brief overloads up to 7 seconds before latching off.

Technical Specifications

Samlex SAM-1500C-12 Specifications
Part NumberSAM-1500C-12 (also searched as SAM 1500C 12, SAM1500C-12, SAM 1500C)
Output WaveformModified sine wave (inverter mode)
Continuous Power1500 W (power factor 1)
Surge Power3000 W (under 4 milliseconds)
AC Output115 VAC +10% / -5%, 60 Hz ±5%; 2 x NEMA 5-15R outlets
Grid Pass-Through120 VAC, 60 Hz, up to 1500 W; 15 A input breaker
Transfer Switch30 A relay; grid-to-inverter in 2 - 3 seconds, inverter-to-grid within 1 second
Battery Charger2-stage (bulk and float); 15 A maximum charge current; 13.8 V ±0.3 V float
DC Input Voltage12 V battery systems; 10.5 - 15.5 VDC range
DC Input Current150 A at full output (12.5 VDC); 0.65 - 0.85 A at no load
DC ConnectionsM9 nut-and-bolt terminals; 240 A reverse-polarity fusing (8 x 30 A ATC)
AC Connections6 ft input cord with NEMA 5-15P plug
Inverter Efficiency87% at full load
ProtectionsLow battery alarm 10.8 V, shutdown 10.5 V (auto reset at 11.7 V); over-voltage above 15.5 V; overload shutdown; ground fault (manual reset); over-temperature (auto reset); high/low AC input shutdowns
CoolingLoad-controlled fan (inverter mode above 85 W; charge mode above 3 A)
Operating TemperatureFull rating to 77°F (25°C); 80% rating from 79°F to 95°F (26°C to 35°C)
Dimensions7.95 x 13.58 x 3.3 inches (202 x 345 x 84 mm)
Weight8.82 lbs (4.0 kg)
Warranty2 years (Samlex America)
Technical Documentation
SAM-1500C-12 Product Manual (PDF) · SAM-1500C-12 Specification Sheet (PDF)

Where This Inverter Charger Is Used

  • Home outage backup - fridge, sump pump controls, lights and modem ride through on the bank.
  • RVs and trucks - shore power charges the house batteries; the road runs off them.
  • Remote housing and cabins - generator power charges while it runs, batteries carry the quiet hours.
  • Battery maintenance - the 15 amp two-stage charger earns its keep between outages.
Already have a charger and transfer setup? → The inverter-only Samlex SAM-1500-12 delivers the same 1500 watts with a sub-1-second surge window for less money.

Ordering

Know what the 2 to 3 second transfer means. Refrigerators, pumps, routers and lighting sail through it. A desktop computer without its own UPS will reboot, so this unit protects the house, not the hard drive. Honest trade, considerable savings. Volume orders: written quote in 24 to 48 hours.

Frequently Asked Questions

What coverage comes with the SAM-1500C-12?

A 2 year warranty from Samlex America, sent to you in complete written form with any quote.

Does it work like a UPS for my computer?

It is UPS-like, not computer-grade. The relay takes 2 to 3 seconds to shift loads to the inverter, long enough that a desktop will restart. For appliances, lighting and network gear that tolerate a blink, it does exactly the job at a fraction of double-conversion UPS cost.

Can it charge the batteries and power the loads at the same time?

Yes, that is its resting state. With grid present, AC passes straight through to the outlets (up to 1500 watts) while the charger bulk-charges at up to 15 amps and then floats the bank at 13.8 volts, ready for the next outage.

How is it installed?

Without an electrician: the 6 foot cord plugs into any standard wall outlet, your loads plug into the two receptacles, and the M9 terminals bolt to the battery bank with appropriately sized cable. The bigger the bank, the longer the backup; sizing help is a phone call away.

Backup power that manages itself.

Order online, or send your load list and outage expectations and a battery specialist will size the bank and confirm the fit in writing, with no obligation to buy.

Call 1-877-775-4381  ·  battery specialists, not a call center

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov (State of California only).

Warranty Information  
2 Year Limited Warranty (Samlex America)
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