Samlex PSR-1200-48
#17 in Up to 1,500 WFull review
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.
Don Rowe $1,298.40 Solarflexion $1,298.40$1,298.40
The Samlex PSR-1200-48 is the better 48V inverter overall, rated 2.1 to 1.9. The Samlex PSR-1200-48 leads on warranty, features and efficiency. The Exeltech XP-1100 48V wins on idle draw. The Exeltech XP-1100 48V costs $335.40 less ($963 vs $1,298.40).
Exeltech XP-1100 48V
#18 in Up to 1,500 WFull review
For 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 $963$963
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Samlex PSR-1200-48 for warranty (2-year warranty vs 1-year warranty), features (transfer switch, display; no remote vs hardwire terminal; no remote) and efficiency (90% peak efficiency (maker rating) vs 89% peak efficiency (maker rating)).
- Choose the Exeltech XP-1100 48V for idle draw (20 W idle with nothing plugged in vs 24 W idle with nothing plugged in).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1,500 W 48V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Samlex PSR-1200-48 | Exeltech XP-1100 48V |
|---|---|---|
| Overall rating | 2.1/5 | 1.9/5 |
| Value 30% | 0 $1.08 per continuous watt | 0 $0.88 per continuous watt |
| Idle draw 15% | 25 24 W idle with nothing plugged in | 42 20 W idle with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 25 2-year warranty | 0 1-year warranty |
| Features 15% | 30 transfer switch, display; no remote | 10 hardwire terminal; no remote |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 44 89% peak efficiency (maker rating) |
Specifications
| Samlex PSR-1200-48 | Exeltech XP-1100 48V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| AC output | 120 V | 120 V |
| Continuous power | 1,200 W | 1,100 W |
| Surge power | 2,000 W | 2,200 W for 3 s |
| DC input range | 40 to 60 V | 41.5 to 62 V |
| Idle draw | 24 W (0.5 A at 48 V) | 20 W (0.4 A at 48 V) |
| Peak efficiency | 90% | 89% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | No | No |
| Hardwire terminal | No | Yes |
| USB ports | None | None |
| Transfer switch | Yes | No |
| Pass-through rating | 16 A | - |
| Parallel units | No | No |
| Control and build | ||
| Remote | No | No |
| App | No | No |
| Display | Yes | No |
| Safety listing | No | No |
| Design | High-frequency | - |
| Cooling | load-controlled fan | fan |
| Dimensions | 482 x 386.8 x 44 mm (19 x 15.2 x 1.7 in), 1U | 3.57 x 7.69 x 15.05 in (91 x 195 x 382 mm) |
| Weight | 12.8 lb | 10 lb |
| Warranty | 2 years | 1 year |