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Victron Energy
Victron MultiPlus-II 24/3000/70-50 2x120V Inverter/Charger — UL 458 Marine/RV (24V Split-Phase 120/240V)
Victron MultiPlus-II 24/3000/70-50 2x120V Inverter/Charger — UL 458 Marine/RV (24V Split-Phase 120/240V)
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$1,145.80
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The Victron MultiPlus-II 24/3000/70-50 2x120V is the split-phase 24V inverter/charger — 3000VA pure sine output (2400W continuous), 70A multi-stage charger, 50A AC transfer switch, split-phase 120V/240V output, UL 458 certified, ESS-capable for grid-tied applications. The right pick for 24V boats, off-grid homes, and RVs needing 50A split-phase shore power.
Why 24V split-phase?
- Split-phase 2x120V output — supports US 50A shore power and household 240V appliances
- 24V house bank advantage — same power at half the current; thinner cable, less voltage drop
- Marine standard — many sailboats and larger powerboats use 24V house banks
- ESS-capable — supports grid-tied energy storage system mode for self-consumption
What 3000VA powers
- RV air conditioner (one mid-size unit with PowerAssist)
- Microwave + coffee maker + other AC loads simultaneously
- Mid-size refrigerator + entertainment system + lighting
- 240V household appliances (well pump, water heater, dryer on intermittent)
- Full home office or full RV "normal living" load
- Off-grid cabin essentials including pump, refrigeration, and small kitchen run
Why the MultiPlus-II 24/3000/70-50 2x120V
- 3000VA / 2400W pure sine inverter — substantial real-AC capability
- Split-phase 120V/240V — 50A shore power emulation, household 240V equipment
- 70A multi-stage charger — charges a 400Ah 24V bank in ~7 hours from shore
- 50A AC transfer switch — automatic shore/generator transfer
- PowerControl + PowerAssist — boost limited shore power for peak loads
- ESS-capable — supports grid-tied energy storage system mode
- UL 458 certified — legal for mobile and marine use
- VE.Bus networking — parallel or 3-phase capable
- Built-in current sensor — enables advanced ESS features without external CT
- Multi-stage adaptive charging — AGM, Gel, Flooded, LiFePO4 profiles
Specifications
| Nominal DC input voltage | 24V (operating range 19–33V) |
|---|---|
| Continuous AC output | 2400W (3000VA) |
| Peak AC output | 6000W (short duration) |
| AC output waveform | Pure sine wave |
| AC output voltage | 2x 120V (split-phase 120V/240V) |
| Charger output current | 70A |
| AC transfer switch | 50A |
| Standards | UL 458 (mobile/marine certified) |
| ESS (grid-tie) capable | Yes |
| Networking | VE.Bus (parallel and 3-phase capable) |
| Battery chemistry | AGM, Gel, Flooded, LiFePO4 (configurable) |
| Cooling | Variable-speed temperature-controlled fan |
| Operating temperature | -40°C to +65°C (full power up to 40°C) |
| Manufacturer SKU | PMP242305132 |
| Warranty | 5 years (manufacturer) |
Recommended applications
- Larger sailboat / motor yacht with 24V house bank — substantial AC capability with marine certification
- 50A RV / Class A on 24V house bank — split-phase shore emulation
- Off-grid home (24V) — split-phase residential 240V from a 24V bank
- Grid-tied home with battery backup — ESS mode for self-consumption
- Mobile commercial — large surveillance trailer, food truck needing 240V equipment
- Industrial backup — commercial 24V battery bank with substantial AC requirement
Every Jonsson Tech order ships within 5 days nationwide from our Houston, Texas warehouse. Free pre-purchase system design consultation — send us your shore power type (30A vs 50A), expected loads, and grid/off-grid intent to support@jonssontech.net or call 346-574-9652.
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