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Low Frequency Power Inverters Series Inverters (DC-AC)
10 Models available

Images are for illustration purposes only
Low Frequency Power Inverters — 48V DC to AC Pure Sine Wave
Low-frequency power inverters convert 48V (or 24V) DC battery power to 220/230V AC with an isolation transformer, providing pure sine wave output and high surge capacity for motors and inductive loads. Rated 1–10 kW for off-grid and backup power.
Key Features
Low-frequency transformer-based design
Pure sine wave output
48V/24V DC input, 220/230V AC output
High surge capacity for motor starting
Galvanic isolation via output transformer
1–10 kW for off-grid and backup
Applications
- Off-grid solar backup
- 48V battery systems
- Remote and mobile power
- Motor and inductive loads
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 0.5–30 kW |
| Input voltage | DC 12/24/48V |
| Output voltage | 220VAC 50Hz pure sine |
| Waveform | Pure sine wave |
| Frequency (Hz) | 50/60 |
| Efficiency | >85% |
| Protection | Over-load, short-circuit, over-temperature, low-voltage |
| Compare | Model | Series | Power (W) | Input voltage | Output voltage | Frequency (Hz) | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|
| LFI-0.5KVA | Low Frequency Power Inverters | 0.5kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 15 kg | 435×305×180 mm | |
| LFI-1KVA | Low Frequency Power Inverters | 1kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 18 kg | 440×305×185 mm | |
| LFI-2KVA | Low Frequency Power Inverters | 2kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 22 kg | 445×310×185 mm | |
| LFI-3KVA | Low Frequency Power Inverters | 3kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 27 kg | 450×315×185 mm | |
| LFI-5KVA | Low Frequency Power Inverters | 5kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 35 kg | 460×320×190 mm | |
| LFI-7.5KVA | Low Frequency Power Inverters | 7.5kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 45 kg | 470×325×195 mm | |
| LFI-10KVA | Low Frequency Power Inverters | 10kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 54 kg | 480×335×200 mm | |
| LFI-15KVA | Low Frequency Power Inverters | 15kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 71 kg | 490×345×205 mm | |
| LFI-20KVA | Low Frequency Power Inverters | 20kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 88 kg | 505×350×210 mm | |
| LFI-30KVA | Low Frequency Power Inverters | 30kVA | DC 12/24/48V | 220VAC 50Hz pure sine | 50/60 | 120 kg | 525×365×220 mm |
Product Drawing
Electrical Equipment - LFI-7.5KVA
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
Selection Guide
Input voltage
Match the 48V/24V battery bank voltage.
Surge
Confirm surge capacity for motor and inductive starting loads.
- Frequently Asked Questions
What is a low-frequency inverter?
A low-frequency inverter uses a transformer-based design giving pure sine wave output and high surge capacity, suited to motor and inductive loads from 48V battery banks.
Why low-frequency over high-frequency?
Low-frequency inverters handle high surge (motor starting) currents and inductive loads better than high-frequency designs.
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