Vertiv™ EXL S1 UPS, 250-1200 kW
The Vertiv™ EXL S1 UPS delivers secure power while providing premium load protection and maximum energy saving for large scale applications such as AI. Its Dynamic Grid Support feature can provide frequency regulation by controlling the input power to support services such as frequency regulation-up, regulation-down, or both via charging and discharging of the battery. At Dynamic Online mode, the UPS can have operating efficiency of up to 99% without sacrificing availability.
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- Banking, Financial and Insurance
- Data Center/Colocation/Hosting
- Healthcare
- Government
Vertiv™ EXL S1 UPS, 250-1200 kW
The Vertiv™ EXL S1 UPS delivers secure power while providing premium load protection and maximum energy saving for large scale applications such as AI. Its Dynamic Grid Support feature can provide frequency regulation by controlling the input power to support services such as frequency regulation-up, regulation-down, or both via charging and discharging of the battery. At Dynamic Online mode, the UPS can have operating efficiency of up to 99% without sacrificing availability.
- Banking, Financial and Insurance
- Data Center/Colocation/Hosting
- Healthcare
- Government
Specifications
The Vertiv™ EXL S1 UPS, with capacity of 250-1200kW, is optimized for maximum efficiency and power density. It has a small footprint, lower than similar UPS in its class or in its kVA size range. It is ideal for customers who need every square foot to offer a positive ROI, such as colocation providers, hosting and cloud businesses. This UPS allows customers to either redeploy the saved space to implement more revenue generating IT equipment or reduce the actual design size of their equipment rooms, thus saving construction costs. At Dynamic Online mode, the UPS can have operating efficiency of up to 99% without sacrificing availability. Its touchscreen control panel provides status-at-a-glance convenience, flexible views and multiple security options. With Vertiv™ LIFE™ Services, get 24x7 remote monitoring by our expert staff to improve availability and lower labor costs.
Vertiv™ EXL S1 250-400 kW
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250, 300, 400 kVA/kW | 480 volts | 480 volts | Up to 97% double conversion | 3-wire | 79.1 in | 51.3 in | 36.0 in | 1970 lbs |
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Vertiv™ EXL S1 500-600 kW
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500, 600 kVA/kW | 480 volts | 480 volts | Up to 97% double conversion | 3-wire | 79.1 in | 63.0 in | 36.0 in | 2750 lbs |
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Vertiv™ EXL S1 625-800 kW
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625, 750, 800 kVA/kW | 480 volts | 480 volts | Up to 97% double conversion | 3-wire | 79.1 in | 78.8 in | 36.0 in | 3508 lbs |
See more product information | ||||||||
Vertiv™ EXL S1 1000-1200 kW
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1000, 1100, 1200 kVA/kW | 480 volts | 480 volts | Up to 97% double conversion | 3-wire | 79.1 in | 104.5 in | 36.0 in | 4667 lbs |
See more product information |
Benefits

- MORE SPACE: Minimized UPS footprint allows more space for revenue-generating IT equipment
- RESILIENT POWER PROTECTION: The UPS provides high level of efficiency, power quality and availability
- UP TO 8 UNITS IN PARALLEL: It can support distributed and centralized parallel configurations
- INSTALLATION FLEXIBILITY: It is compatible to VRLA and Lithium-Ion batteries
- PROACTIVE REMOTE SERVICES: Have options for remote diagnostics and preventive monitoring services for UPS
Features

- COMPACT SIZE: Smallest footprint among all competitors at this kVA size
- 3 MODES OF OPPERATING EFFICIENCY: Double Conversion (97%), Dynamic Online (99%) and ECO Mode (>99%)
- ADVANCED TOUCHSCREEN CONTROL PANEL: Customer can configure data and views
- 2014 NEC COMPLIANCE: High Impedance DC Ground Fault detection for 2014 NEC compliance
- FLEXIBLE CONFIGURATIONS: Dual asynchronous source/dual input capable
- Liebert® Large System 3-Phase UPS Battery System Installation Manual (SL-25418)
- Liebert EXL S1 UPS Load Bus Sync Controller Installer User Guide SL-70438
- Liebert® Battery Interface Box Product Specs-Installation Sheet (SL-25515)
- Liebert EXL Operation and Maintenance Manual Single and Multi-Module 625-1200kVA (SL-26030)
- Liebert® EXL S1 UPS Operation & Maintenance Manual - Single & Multi-Module SL-26090.pdf
- Liebert® EXL S1 Touchscreen Control Panel User Manual SL-26094
- The Emergence of Lithium Ion Batteries within the Data Center
- Safe Capacity Test Innovation and Savings White Paper SL-70855
- Data Center Transformation - The Impact of Emerging Power Architectures on Today's Data Center.pdf
- Performance Improvements with Sharing Inductors
- Evaluating Performance Large UPS AI White Paper SL-71956
- Vertiv MTP Case Study
*To see model-specific downloads, you will need to go to the model-specific product page by selecting the model name in the specifications chart above.
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Frequently Asked Questions
- Q
- Is this UPS configurable?
- A
- Yes, the UPS is fully configurable at time of order.
- Q
- Does this UPS work with lithium ion batteries?
- A
- Yes, it works with all manufacturers of lithium ion batteries sold by Vertiv.
- Q
- Does this UPS come with a communications card?
- A
- Yes, we provide a standard LIFE Services card or you may choose an optional Unity dual simultaneous protocol card.
- Q
- Does this UPS offer Eco-mode?
- A
- Yes, it offers Vertiv's unique Eco-mode which maintains battery charging and inverter readiness.
- Q
- Can I change display and alarm values or does a service technician have to do it?
- A
- Yes, our standard touchscreen control panel is fully user configurable for type of information displayed, security access codes and warning & alarm parameters.