GRANKIA GIR1K-48 dc to ac single phase 1000w rack mount inverter 48v stands out as a robust solution. This inverter is designed to convert 48V DC input from battery banks or rectifiers. The rack mount inverter 48v ensures seamless operation of AC-powered equipment even during grid failures or maintenance.
With its compact 3U rack-mount design, it’s perfect for space-constrained 19-inch racks. It delivers pure sine wave power that mimics utility-grade electricity for sensitive electronics.
The 1000w rack mount inverter 48v is equipped with a built-in toroidal transformer. It offers superior electrical isolation and enhanced durability. The consistent output waveform is ideal for sensitive electronic loads. Its pure sine wave output replicates utility-grade power, protecting connected devices from noise, surges, and voltage fluctuations.

Rack Mount Inverter 48V Features
Built-in Toroidal Transformer
Enhances conversion efficiency, reduces electrical noise, and ensures a stable, low-distortion sine wave output.
Single-Phase Output
The rack mount inverter 48v provides a stable and reliable single-phase AC output, suitable for powering a variety of devices and equipment.
Efficient DC Input Range
Operates reliably on 41-60V DC input, with automatic low-voltage shutdown at 40.6V to protect batteries from deep discharge.
Smart LCD + LED Display
Real-time monitoring of input/output voltage, load level, battery status, and operational mode.
Technical Specifications (Representative)
- Model: GIR1K-48,
- Rated power: 1000W,
- AC Input: 110V/120V or 220V/230V/240V,
- AC Output: 110V/120V or 220V/230V/240V,
- Frequency: 50/60 Hz (auto-sensing or selectable),
- DC Input: 48VDC,
- Transfer time: <8 ms,
- Battery type: VRLA/AGM/LiFePO4,
- Wave Form: Pure Sine Wave,
- Communications: RS-232,
- Dimension: 483x420x132mm [3U].
Product Overview
Fault Code List
| Code | Description |
| E01 | Power amplifier over current |
| E02 | Output short circuit protection |
| E03 | Overload protection |
| E04 | Over temperature protection |
| E05 | Battery over voltage protection |
| E06 | Low battery voltage protection |
| E07 | Phase reverse protection |
| E08 | Low output voltage protection |
| E09 | Date of manufacture does not match |
| E10 | Battery power down, voltage drop |
Applications
The GIR1K-48 excels in scenarios requiring reliable backup power:
- Telecom Sites: Powers AC loads from -48V DC battery systems during outages, ensuring continuous network uptime.
- Data Centers and Servers: Supports rack-mounted IT equipment with clean power to avoid data loss or hardware failure.
- Industrial and Remote Sites: Ideal for off-grid solar setups, emergency lighting, or tools in warehouses and remote stations.
- Marine and RV Use: Converts DC from batteries to AC for onboard electronics in mobile applications.
Benefits
- Improved Reliability: The GIR1K-48’s high-efficiency design and robust construction ensure reliable operation and minimize downtime.
- Easy Installation: The inverter’s rack mount design and compact size make it easy to install and integrate into existing systems.
- Flexibility: The GIR1K-48’s compatibility with a wide range of DC power sources and AC loads makes it an ideal solution for various applications.
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