For a van or truck cab that needs listed power for electronics and a USB charger.
No store we check sells it online; the maker lists where to buy or who installs it.
Every Samlex NTX model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Samlex NTX-400-12 (this one) | 400 W | 3.1/5 | - |
| Samlex NTX-600-12 | 600 W | 3.0/5 | - |
| Samlex NTX-1000-12 | 1,000 W | 3.1/5 | $373.32 |
| Samlex NTX-1500-12 | 1,500 W | 3.4/5 | $422.50 |
| Samlex NTX-2000-12 | 2,000 W | 3.4/5 | $511.88 |
| Samlex NTX-3000-12 | 3,000 W | 3.4/5 | $741.97 |
| Samlex NTX-3000S-12 | 3,000 W | 3.5/5 | $732.40 |
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
| Model number | NTX-400-12 |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 400 W |
| Surge power | 800 W for 1 s |
| DC input range | 10.5 to 16.3 V |
| Idle draw | 0.8 A (9.6 W) |
| Peak efficiency | 91% |
| Connections | |
| AC outlets | 2 |
| GFCI outlets | No |
| Hardwire terminal | No |
| USB ports | 1 |
| Transfer switch | No |
| Parallel units | No |
| Control and build | |
| Remote | No |
| App | No |
| Display | No |
| Safety listing | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Cooling | load-controlled fan |
| Dimensions | 155 x 225 x 59 mm (6.10 x 8.86 x 2.32 in) |
| Weight | 2 lb |
| Warranty | 2 years |
A low-cost 1000 W inverter for occasional use in a truck or small camper. Specs come only from the Amazon listing, so buyers who need a safety listing should look elsewhere.
Amazon $91.81For RV and van owners who want a listed 1,000 W inverter with a remote, without paying PST prices.
Amazon $373.32For an RV or boat that wants a listed 1,000 W inverter with GFCI outlets. The newer PST-1000-12HD adds a hardwire terminal.
Compare the Samlex NTX-400-12 with any other 12V inverter →
More from Samlex America: every Samlex America product ranked.
