Understanding Offline UPS: Reliable Power Backup for Various Applications
An Offline UPS (Uninterruptible Power Supply) is an essential power backup solution that
ensures instant power supply when there is a power outage. It operates within the mains range and
activates only when the primary power source fails. Once power is restored, the UPS automatically
switches to charging mode, ensuring the batteries remain fully charged for the next use.
Applications of Offline UPS :
Offline UPS systems are widely used in various sectors due to their quick changeover feature and efficiency. Some of the common applications include :
- Lift Power Backup – Ensures continuous operation of elevators, preventing sudden halt="INDUS Power Industries"s during power cuts.
- Small Offices & Corporate Workspaces – Protects computers and networking devices from unexpected shutdowns.
- Homes & Bungalows – Provides uninterrupted power for essential household appliances.
- Petrol Pumps – Keeps fuel dispensing units running smoothly.
- Restaurants & Hotels – Maintains power for kitchen equipment, billing systems, and lighting.
FEATURES of INDUS Offline UPS :
- Advanced Technology : DSP based control for power and monitoring.
- Excellent voltage regulation & transient response.
- Perfect protection against all faults displayed on LCD display with alarm function.
- IGBT inverter technology for highest reliability.
- Engineered design, easy for maintenance and minimize MTTR.
- Auto / manual bypass mode selectable.
- Specifications can be customized.
- Fully automatic.
- High efficiency.
- Pure sine wave output.
| Model | Offline UPS (For Lift) 3 Phase I/P-3Phase O/P |
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| Rating | 6KVA |
8KVA |
10KVA |
15KVA |
20KVA |
30KVA |
40KVA |
50KVA |
60KVA |
75KVA |
100KVA |
| DC Voltage | 72V |
96V |
144V |
180V |
240V |
360V |
360V |
360V |
360V |
360V |
360V |
| Mains Input | 415V ± 15% - 15% |
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| Frequency | 50Hz ± 4Hz |
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| Charger Type | CCCV (Constant Current Constant Voltage type) |
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Inverter Mode |
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| Technology | DSP based IGBT Technology | ||||||||||
| Output Voltage | 400 / 415V AC 3Ph | ||||||||||
| Frequency | 50Hz ± 0.1Hz | ||||||||||
| Waveform | Pure Sine wave | ||||||||||
| Harmonic Distortion | Less than 3% on Linear Load | ||||||||||
| Inverter Efficiency | Up to 90% / Up to 92% / Up to 95% | ||||||||||
| Power Factor | 0.8 | ||||||||||
| Overload | 110% for 8 sec | ||||||||||
| Crest Factor | 3:1 | ||||||||||
| Audible Noise | Less than 65 dB at 1 Meter | ||||||||||
| Duty Cycle | Continuous | ||||||||||
Display |
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| Digital LCD Display | Input and Output Voltages, Output currents, Battery Voltage, Load Percentage and All Faults | ||||||||||
Other Features |
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| Operating Temperature | 0°C to 45°C | ||||||||||
| Humidity | Max 95%, Non-condensing | ||||||||||
Protection |
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| • Output Under & Over voltage | • Short-circuit Protection | • Input Under & Over voltage |
| • Over Temperature | • Output Over load | • DC Under & Over voltage |
| • Phase Reverse protection | ||
Indications & Alarms |
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| Mains on | LED Indication | ||||||||||
| Inverter | LED Indication | ||||||||||
| Batt Low | LED Indication & Alarm | ||||||||||
| Fault | LED Indication & Alarm | ||||||||||
| Overload | LED Indication & Alarm | ||||||||||
| Over Temperature | LCD Indication & Alarm | ||||||||||
Changeover |
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| Manual Changeover | Optional for 6KVA / 8KVA | ||||||||||
| Provided for above 10KVA | |||||||||||