Online Long Battery UPS - 3KVA 2400 W 72 VDC
Quick Specifications
Product Overview
The Arrow Powertech OL3VLB/OL3ELB Online Long Backup UPS is a robust and high-capacity power solution engineered to deliver extended runtime and uninterrupted performance for critical applications. With a capacity of 3 KVA and an output of 2400 W, the OL3VLB/OL3ELB is ideally suited for the computer industry, healthcare facilities, industrial equipment, and pharmaceutical environments where consistent and reliable power is essential.
Powered by advanced online double conversion technology, the OL3VLB/OL3ELB provides pure sine wave output, ensuring complete isolation from power disturbances such as voltage fluctuations, spikes, surges, and frequency inconsistencies. This makes it highly effective in protecting sensitive equipment like medical devices, laboratory instruments, and industrial machinery. Its zero transfer time ensures seamless power delivery during outages, eliminating downtime and preventing operational disruptions.
The Arrow Powertech OL3VLB/OL3ELB is specifically designed for long backup applications, operating on a durable 72V DC system that supports extended external battery configurations. This allows users to achieve longer backup durations during extended power failures, making it an ideal solution for mission-critical environments that require continuous uptime.
Built for reliability and safety, the OL3VLB/OL3ELB includes comprehensive protection features such as overload protection, short circuit protection, surge protection, and deep discharge protection. Its intelligent battery management system enhances battery efficiency, prolongs battery life, and ensures consistent performance with minimal maintenance.
Whether used in commercial setups, healthcare institutions, or industrial operations, the Arrow Powertech OL3VLB/OL3ELB Online UPS provides stable, clean, and continuous power. It is a cost-effective and dependable solution for safeguarding critical systems, maintaining productivity, and ensuring peace of mind during prolonged power interruptions.
Key Features
- High frequency on-line double conversion technology
- DSP (Digital signal processing) control technology
- Active power factor correction (APFC), input power factor up to 0.99
- Output power factor 1.0
- Wide input voltage range (110V ~ 300Vac)
- Auto sensing frequency
- 50 / 60 Hz frequency conversion
- Digitally controlled charger, charging voltage and current configured by demands
- High charging current available (Max. 12 A)
- Cold start
- Rear ventilation design and variable speed fan
- Effective software and hardware protection
- Quick and stable charging, 90% capacity restored in 3h (standard model UPS)
- Linear derating in low voltage input reducing battery discharging times
- Advanced battery management (ABM)
- Multiple functions settable via LCD: output voltage, EOD, auto-start, bypass mode, ECO mode
- Multi-platform communications: RS232 (standard), USB / RS485 / SNMP / dry contacts (optional)
- Optional USB, RS485 card, AS400 dry contacts, SNMP card, SMS alarms, EPO function
Technical Specifications
| CAPACITY | |
| Capacity | 3 kVA / 3 kW |
| INPUT | |
| Rated Voltage | 208 / 220 / 230 / 240 Vac |
| Voltage Range | 110~176 Vac – linear derating 50–100% load; 176~280 Vac – no derating; 280~300 Vac – derating 50% |
| Frequency Range | 50 / 60 Hz ± 5 Hz (auto-sensing) |
| Input Power Factor | ≥ 0.99 |
| Bypass Voltage Range | −40% ~ +20% (settable) |
| Rated Input Frequency | 50 Hz / 60 Hz (auto-sense) |
| THDi | ≤ 5% |
| OUTPUT | |
| Voltage | 208 / 220 / 230 / 240 Vac (settable via LCD) |
| Voltage Regulation | ± 1% |
| Frequency | 45~55 Hz or 55~65 Hz (synchronized); 50 / 60 Hz ± 0.1 Hz (battery mode) |
| Waveform | Sinusoidal |
| Output Power Factor | 1 |
| THDv | ≤ 2% linear load · ≤ 5% non-linear load |
| Crest Factor | 3 : 1 |
| Overload | 105–110%: 30 min · 110–130%: 10 min 130–150%: 30 s · >150%: 500 ms |
| BATTERIES | |
| Battery Type | Sealed lead-acid, maintenance-free |
| DC Voltage | 72V (H) |
| Inbuilt Battery | Long-time model (external batteries) |
| Charging Current (max.) | 12 A (1~12 A settable) |
| Recharge Time | Long-time model: depends on external battery capacity |
| SYSTEM CONTROL & COMMS | |
| Efficiency – Mains | ≥ 94.5% |
| Efficiency – Battery | ≥ 92.5% |
| Efficiency – ECO | ≥ 99% |
| Transfer Time | Mains → Battery: 0 ms · Inverter → Bypass: 4 ms (typical) |
| Protections | Short-circuit · Overload · Over-temperature · Battery discharge · Fan failure |
| Communication Port | RS232 (standard) · USB / RS485 / SNMP / Dry contacts (optional) |
| Display | LCD + LED |
| ENVIRONMENT | |
| Operating Humidity | 0~95% RH @ 0~40°C (non-condensing) |
| Storage Temperature | −25°C ~ 55°C (excluding batteries) |
| Operating Altitude | ≤ 1000 m; derate 1% per additional 100 m |
| IP Rating | IP 20 |
| Noise Level at 1 m | ≤ 50 dB |
| OTHERS | |
| Dimensions W×D×H | 144 × 417 × 216 mm |
| Packaged W×D×H | 230 × 506 × 315 mm |
| Net Weight | 6.5 kg |
| Gross Weight | 8.0 kg |
Applications & Use Cases
Support, Warranty & Service
12-Months RTB Warranty
We offer a RTB warranty covering parts and labor
AMC Available
Annual maintenance contracts for hassle-free operation
Installation Service
Professional installation across India
Pan-India Support
24/7 technical assistance hotline