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Tripp Lite by Eaton S3M20K3B SmartOnline 20kVA Tower UPS - Double Conversion Online - 120/230V AC Input - 120/208V AC Output - 7 Min Full Load Runtime
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Product Features
Technical Overview
This UPS employs double-conversion online topology, continuously converting AC input to DC and back to AC, providing complete isolation from grid disturbances. It features a unity output power factor (1.0), allowing it to support more connected equipment without overloading. The system operates with three-phase power and includes built-in EMI/RFI noise filtering and overload protection.
Battery configuration uses three batteries with a 120 V DC system voltage, delivering 7 minutes of runtime at full load and 16 minutes at half load. The typical recharge time is 8 hours. Thermal dissipation is rated at 4515 BTU/h, with a maximum operating temperature of 104°F (40°C) and elevation up to 3280 ft.
This section brings together practical product details such as Plug/Connector Type, Receptacle Type, Transfer Time, Load Capacity (VA), so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The SmartOnline S3M20K3B combines robust power protection with operational efficiency and management flexibility. Its compact tower footprint saves valuable floor space in server rooms, allowing more room for revenue-generating equipment.
High-Efficiency Operation
ENERGY STAR 2.0-certified with efficiency up to 98% in ECO mode and up to 94% in Online mode, reducing electricity consumption and associated cooling requirements.
- Schedulable economy mode
- Lower total cost of ownership
Advanced Monitoring & Control
A 5-inch color LCD touchscreen provides intuitive local monitoring and diagnostics. Support for SNMP, SSH, and Telnet enables remote management, with an optional WEBCARDLXMINI network card for 24/7 oversight.
- Four LED status indicators
- Alarms for low battery, overload, shutdown, bypass
Scalability & Redundancy
Parallel capability allows connection of up to four units for increased capacity or N+1 redundancy. This design supports future expansion and enhances system reliability.
- Parallel cable included
- Increased uptime for critical loads
Deployment / Use Cases
This UPS is designed for environments where power quality and uptime are non-negotiable. Its 20 kVA capacity and three-phase power make it suitable for protecting larger server racks, network closets, and telecommunications infrastructure.
Ideal applications include data centers, server rooms, financial institutions, healthcare facilities, government operations, manufacturing plants, and edge computing sites. The tower format is particularly useful where rack space is limited or where a standalone power backup solution is preferred.
Data Center & Server Room Protection
Provides clean, continuous power to critical servers, storage arrays, and networking gear, preventing downtime and data loss during outages or brownouts.
Industrial & Edge Computing
Safeguards equipment in manufacturing or remote locations where power fluctuations are common, ensuring operational continuity for industrial controls and edge servers.
Physical Profile
The tower enclosure measures 34.17 inches in height, 9.84 inches in width, and 35.43 inches in depth, with an approximate weight of 527 pounds. This form factor is designed for stable floor placement, and its compact width optimizes floor space utilization. The front panel features a large LCD display and status LEDs for at-a-glance monitoring.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 34.17" (867.92 mm), 9.84" (249.94 mm), 35.43" (899.92 mm), 527 lb (239043.18 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 9.84" (249.94 mm)
- Depth
- 35.43" (899.92 mm)
- Height
- 34.17" (867.92 mm)
- Weight
- 527 lb (239043.18 g)
What's in the Box
The package includes the SmartOnline S3M20K3B 20kVA Tower UPS unit and essential accessories for setup and management.
Highlights
- 20 kVA double-conversion online UPS with pure sine wave output
- 7-minute runtime at full load, 16 minutes at half load, 8-hour recharge
- Three-phase power with 120/230V AC input and 120/208V AC output
- 5-inch color LCD touchscreen for intuitive local monitoring and control
- ENERGY STAR 2.0 certified with up to 98% efficiency in ECO mode
- Parallel capability for up to 4 units (cable included)
- SNMP, SSH, and Telnet management with optional network card
- Compact tower form factor saves floor space in server rooms
- Includes RS-232, USB, parallel, and battery cables
- 2-year limited warranty and RoHS compliance
Specifications
| Specifications | |
|---|---|
| Manufacturer | Eaton Corporation |
| Manufacturer Part Number | S3M20K3B |
| Brand Name | Tripp Lite series |
| Product Line | SmartOnline |
| Product Model | S3M20K3B |
| Product Name | SmartOnline S3M20K3B 20kVA Tower UPS |
| Product Type | Double Conversion Online UPS |
| Technical Information | |
| Plug/Connector Type | Hardwired |
| Receptacle Type | Hard Wire (3-PH) |
| Transfer Time | 0 ns |
| Overload Protection | Yes |
| EMI/RFI Noise Filter | Yes |
| Phase | Three Phase |
| Energy Saving | High efficiency economy mode operation; Schedulable daily hours of economy mode operation |
| Application/Usage | IT Equipment,Network,Telecommunication,Finance,Industrial,Data Center,Server Room,Critical System,Banking,Education,Healthcare,Government,Manufacturing Facility,Edge Computing |
| Power Description | |
| Load Capacity (VA) | 20 kVA |
| Input Voltage | 120 V AC,230 V AC |
| Output Voltage | 120 V AC,208 V AC |
| Output Frequency | 60 Hz |
| Waveform Type | Pure Sine Wave |
| Management | |
| Network Management | SNMP Manageable,SSH,Telnet |
| Alarm | Low Battery,Overload,Shutdown,Bypass Mode |
| Controls/Indicators | |
| Status Indicators | Front Panel LCD Display: Large touchscreen color LCD display (5in/ 12.7cm) enables comprehensive local monitoring Diagnostics and control Intuitive and user-friendly interface Sub-screens Status: Home Status Alarm Setting Maint Common About LED Indicators: Four LEDs indicate AC mode (Green) Bypass (Yellow) Battery (Yellow) Fault (Red) Modes |
| Interfaces/Ports | |
| Serial Port | Yes |
| USB (HID Compliant) Port | Yes |
| EPO Port | Yes |
| Battery Information | |
| DC System Voltage | 120 V DC |
| Number of Batteries | 3 |
| Backup/Run Time (Full Load) | 7 Minute |
| Backup/Run Time (Half Load) | 16 Minute |
| Typical Battery Recharge Time | 8 Hour |
| Environmental Conditions | |
| Maximum Operating Temperature | 104°F (40°C) |
| Maximum Operating Elevation | 3280 ft (999744 mm) |
| Thermal Dissipation | 4515 BTU/h |
| Physical Characteristics | |
| Form Factor | Tower |
| Height | 34.17" (867.92 mm) |
| Width | 9.84" (249.94 mm) |
| Depth | 35.43" (899.92 mm) |
| Weight (Approximate) | 527 lb (239043.18 g) |
| Miscellaneous | |
| Package Contents | SmartOnline S3M20K3B 20kVA Tower UPS RS-232 Cable (Male/Female), 5 ft. (1.5 m) Parallel Cable (Male/Female), 5 ft. (1.5 m) USB Cable, 5 ft. (1.5 m) Battery Cable Anderson Connectors Set to Terminate a Battery Cable (2 Black, 2 White, 2 Red and several metal terminals) Cable Glands (x6) for Cable Landing Box (waterproof fasteners) Dry Contact Connector (Green) Owner's Manual |
| Energy Star | Yes |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What is the power capacity of this UPS?
The Tripp Lite SmartOnline S3M20K3B has a load capacity of 20 kVA. This double-conversion online UPS provides robust power protection for critical IT equipment, supporting three-phase input voltages of 120V AC or 230V AC and delivering stable output at 120V AC or 208V AC.
How long will the UPS run on battery during an outage?
At full load, the battery runtime is 7 minutes. Under half load conditions, runtime extends to 16 minutes. These figures are based on the internal battery configuration of three batteries with a 120 V DC system. After a discharge, the typical recharge time to full capacity is 8 hours.
What management and monitoring options are available?
Local management is handled through a 5-inch color LCD touchscreen on the front panel, offering intuitive diagnostics and control. For remote management, the UPS supports SNMP, SSH, and Telnet protocols. An optional WEBCARDLXMINI network card can be added for cost-effective 24/7 remote monitoring and configuration.
Can multiple units be connected for more capacity or redundancy?
Yes, this UPS supports parallel operation. You can connect up to four units together to increase total capacity or create an N+1 redundant configuration. A 5-foot parallel cable is included in the package to facilitate this setup, enhancing system scalability and reliability for growing or critical deployments.
What are the physical dimensions and weight?
The tower unit measures 34.17 inches in height, 9.84 inches in width, and 35.43 inches in depth. It weighs approximately 527 pounds. This compact tower form factor is designed for floor placement, optimizing space in server rooms while providing a stable base for the 20 kVA system.
What cables and accessories are included?
The package includes the UPS unit, an RS-232 cable (5 ft), a parallel cable (5 ft), a USB cable (5 ft), a battery cable, an Anderson connector set, six cable glands for waterproof cable landing, a dry contact connector, and the owner's manual. These accessories support installation, management, and parallel connectivity out of the box.
What power capacity is listed for this UPS?
The listed power specification is 20 kVA, which helps position the unit for the right load level and installation role.
What voltage details are listed?
The listed power specification is 120 V AC,230 V AC, which helps position the unit for the right load level and installation role.
| Qty | Price | Available |
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