GRANKIA GLT3340 backup power source 3 phase double conversion ups 40kva is suitable for inductive and capacitive loads. Built with advanced double-conversion technology and a transformer-based architecture. It ensures seamless protection against power disturbances. These disturbances include voltage fluctuations, surges, spikes, and outages.
The 3 phase double conversion ups 40kva operates effectively in unstable power environments, reducing dependency on battery usage. Online double-conversion isolates loads from grid fluctuations, ensuring uninterrupted operation. High-efficiency operation reduces energy losses and cooling demand; modular battery options minimize lifecycle cost.
Double Conversion UPS 40kVA Features
Wide Input Frequency Range
Compatible with unstable or fluctuating power grids and suitable for generator operation.
Built-in Isolation Transformer
Enhances electrical safety, reduces harmonic interference, and ensures complete load protection.
Advanced Protection Systems
Safeguards against overload, short circuit, over-temperature, and battery deep discharge.
Event Logging and Self-Diagnostics
Records fault events and runs automatic system checks for predictive maintenance.
User-Friendly Interface
Equipped with an LCD display for real-time monitoring of system status, load levels, and alarms.
Multiple Communication Ports
Supports remote monitoring, management, and integration with building management systems.
Technical Specifications (Representative)
- Model: GLT3340,
- Rated power: 40 kVA / 32 kW,
- Input: 3-phase + N (e.g., 285–475 VAC nominal, wide range),
- Output: 3-phase + N (e.g., 380/400/415 VAC selectable),
- Frequency: 50/60 Hz (auto-sensing or selectable),
- THD (linear load): 32%,
- Efficiency: up to 93%,
- Transfer time: 0 ms (online double-conversion),
- Battery type: VRLA/AGM standard,
- Parallel capability: up to 8 units for redundancy,
- Communications: RS-232, RS-485, SNMP (optional), relay contacts.
Installation & Commissioning
Site survey
Confirm input supply, available floor space, ventilation and access, and battery room requirements if external cabinets used.
Load analysis
Measure power factor, inrush characteristics and critical loads to size UPS and battery runtime.
Electrical interface
Install appropriately rated circuit breakers, earthing/grounding, and isolation where required.
Commissioning tests
Battery capacity test, runtime test, transfer to bypass, and full-load performance verification.
Documentation
Provide operation manual, wiring diagrams, and commissioning report.
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