For telecom or network racks on a 48 V plant that need 1,200 W of clean AC with utility transfer, not for a cabin or RV.
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Every Samlex PSR 48V model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Samlex PSR-1200-48 (this one) | 1,200 W | 2.1/5 | $1,298.40 |
| Samlex PSR-2200-48 | 2,200 W | 2.3/5 | $2,054.30 |
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 | PSR-1200-48 |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| AC output | 120 V |
| Continuous power | 1,200 W |
| Surge power | 2,000 W |
| DC input range | 40 to 60 V |
| Idle draw | 24 W (0.5 A at 48 V) |
| Peak efficiency | 90% |
| Connections | |
| AC outlets | 2 |
| GFCI outlets | No |
| Hardwire terminal | No |
| USB ports | None |
| Transfer switch | Yes |
| Pass-through rating | 16 A |
| Parallel units | No |
| Control and build | |
| Remote | No |
| App | No |
| Display | Yes |
| Safety listing | No |
| Design | High-frequency |
| Cooling | load-controlled fan |
| Dimensions | 482 x 386.8 x 44 mm (19 x 15.2 x 1.7 in), 1U |
| Weight | 12.8 lb |
| Warranty | 2 years |
For a 48 V telecom or solar rack that needs 1,000 W of 120 V backup in 1U of rack space. It switches loads from utility to battery itself but doesn’t charge the battery.
Amazon $801For industrial or telecom 48 V systems that want a simple 600 W inverter with low idle draw; homes and RVs have better-listed options.
Toboa Energy $693.99For industrial or telecom 48 V systems that want a simple 1,100 W inverter with low idle draw; homes and RVs have better-listed options.
Toboa Energy $963Compare the Samlex PSR-1200-48 with any other 48V inverter →
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