Description
The Vertiv Liebert PSI5-1500RT120N is a high-performance, line-interactive UPS designed to protect critical IT and network equipment from power disturbances. Delivering 1500VA / 1350W of reliable capacity, this UPS provides pure sine wave output on battery, ensuring compatibility with sensitive electronics such as servers, network switches, storage systems, and VoIP equipment.
Its flexible 2U rack/tower convertible design with a rotatable LCD allows easy installation in space-constrained environments, while Automatic Voltage Regulation (AVR) corrects voltage fluctuations without draining the battery. Integrated SNMP/network management enables remote monitoring, alerts, and graceful shutdowns, making it ideal for distributed IT deployments and network closets.
With hot-swappable batteries, programmable outlet groups, and extended runtime support via external battery cabinets, the PSI5-1500RT120N delivers dependable uptime, scalability, and advanced manageability for mission-critical applications.
| Specification | Details |
|---|---|
| Brand | Vertiv |
| Product Line | Liebert PSI5 |
| Model | PSI5-1500RT120N |
| UPS Type | Line-Interactive |
| Form Factor | 2U Rack / Tower (Convertible) |
| Power Capacity | 1500VA / 1350W |
| Input Voltage | 120V AC |
| Input Voltage Range | 75–146V AC (without battery) |
| Output Voltage | Selectable 100 / 110 / 115 / 120 / 125V |
| Output Waveform | Pure Sine Wave |
| Transfer Time | 4–6 ms (typical) |
| Battery Type | Internal VRLA, Hot-Swappable |
| Recharge Time | ~4 hours to 90% |
| Runtime (Half Load) | Approx. 18 minutes |
| Runtime Expansion | Supports External Battery Cabinet |
| Output Receptacles | NEMA 5-15R (programmable & non-programmable) |
| Network Management | Integrated SNMP / Web Management Card |
| Communications | USB, Network |
| Audible Noise | <45 dB (line mode) |
| Efficiency | High-Efficiency Design with AVR |
| Dimensions (WxDxH) | 17.2 x 20.0 x 3.5 in (438 x 510 x 88 mm) |
| Weight | Approx. 42.6 lbs (19.3 kg) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Certifications | UL 1778, FCC Class B |
| Warranty | 2-Year Advanced Exchange |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
