Description
The Vertiv Liebert EXS20KN is a high-efficiency, compact, monolithic uninterruptible power supply (UPS) offering true online double-conversion technology to deliver clean, continuous power to critical IT and electronic equipment. Ideal for IT rooms, server closets, VoIP systems, and security infrastructure, this 20kVA/20kW UPS provides unity power factor output and integrates an IS-UNITY-DP Intellislot communication card for advanced monitoring and remote management.
With a built-in maintenance bypass and fast deployment features, the EXS20KN ensures minimal downtime, reduced total cost of ownership, and scalable runtime options. Energy Star certified and built with robust internal batteries (56 VRLA), it delivers 5 minutes of runtime at full load, ensuring stable backup during outages. Designed for easy installation and serviceability, the EXS is a reliable choice for critical environments.
| Specification | Details |
|---|---|
| Manufacturer | Vertiv |
| Part Number | EXS20KN |
| Product Series | Liebert EXS |
| Product Type | Double Conversion Online UPS |
| Form Factor | Monolithic (Tower) |
| Power Capacity | 20kVA / 20kW |
| Power Factor | 1.0 (Unity) |
| Input Voltage | 208/120 VAC (220/127 VAC) 3-Phase, 4W+G |
| Input Range | 176–263 VAC |
| Input Frequency | 40–70 Hz |
| Output Voltage | 208/120VAC, 220/127VAC |
| Runtime (Full Load) | 5 minutes |
| Runtime (Half Load) | 15 minutes |
| Battery Type | Valve-Regulated Lead-Acid (VRLA), 56 batteries |
| Bypass | Integrated Maintenance Bypass |
| Interfaces | SNMP, USB, RJ-45, Serial, Intellislot |
| Waveform | Pure Sine Wave |
| Noise Level | 58 dB(A) |
| Color | Black/Gray |
| Dimensions (H x W x D) | 62.9" x 17.3" x 29.5" |
| Weight | 734 lbs |
| Shipping Weight | 852 lbs |
| Certifications | UL 1778, CSA 22.2, FCC Part 15 Class A, ENERGY STAR 2.0, RoHS, REACH, WEEE |
| Environmental Compliance | RoHS, REACH, WEEE |
| Warranty | 1-Year Limited Warranty |
| Included Accessories | IS-UNITY-DP Card, Safety Guide, Quick Start Guide |
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.
Building a Complete AV System?
This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
- System Design & Engineering
- Installation & Integration
- Programming & Ongoing Support
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