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In an online UPS, the batteries are always connected to the inverter, so that no power transfer switches are necessary. When power loss occurs, the rectifier simply drops out of the circuit and the batteries keep the power steady and unchanged. When power is restored, the rectifier resumes carrying most of the load and begins charging the batteries, though the charging current may be limited to prevent the high-power rectifier from overheating the batteries and boiling off the electrolyte. The main advantage of an on-line UPS is its ability to provide an "electrical firewall" between the incoming utility power and sensitive electronic equipment.
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Picture of SmartOnLine - UPS ( external ) - AC 120V
In stock
SKU: 32013103

Tripp Lite SU750XL SmartOnLine - UPS ( external ) - AC 120V

FREE SHIPPING
• Intelligent battery management
• High efficiency - Hot-swappable
• Double-Conversion UPS; Tower
• Network Card Options; USB; DB9
$463.94
 
Picture of O.P.S. Pulsar 700 - UPS ( external ) -
In stock
SKU: 32013099

MGE UPS System 86700 O.P.S. Pulsar 700 - UPS ( external ) -

FREE SHIPPING
• 4 output
• 630 Watt
• Expansion slot
• 16 min at half load
$491.89
 
Picture of SmartOnLine UPS ( external ) - AC 120 V
In stock
SKU: 32013105

Tripp Lite SU1000XLA SmartOnLine UPS ( external ) - AC 120 V

FREE SHIPPING
• Economy-mode; Audible alarm
• Double-Conversion UPS; Tower
• Steel Housing; Network Card Options
• Attractive all-black upright tower format
$504.33
 
Picture of SmartOnLine UPS ( rack-mountable ) - AC
In stock
SKU: 32013104

Tripp Lite SU750RTXL2U SmartOnLine UPS ( rack-mountable ) - AC

FREE SHIPPING
• Ideal for critical voice; data
• 2U Rack/Tower; Extended Run
• NEMA 5-15P input; 5-15R outlets
• Expandable runtime; Hot-swap batteries
$515.43
 
Picture of 750VA / 675W LCD Online UPS - Tower/2U
In stock
SKU: 32030259

Tripp Lite SU750RTXLCD2U 750VA / 675W LCD Online UPS - Tower/2U

FREE SHIPPING
• 675W Double-Conversion UPS
• 2U - Rack/Tower; Extended Run
• Transformerless; IGBT technology
• Single line TEL Network surge suppression
$552.00
 
Picture of SmartOnLine 800W / 1000VA UPS - 2U Rack
In stock
SKU: 30878557

Tripp Lite SU1000RTXL2UA SmartOnLine 800W / 1000VA UPS - 2U Rack

FREE SHIPPING
• HID-compliant USB interface
• Built-in Emergency Power Off
• Intelligent battery management
• Load Management Receptacles
$558.75
 
Picture of 1000VA / 900W SmartOnline LCD UPS
In stock
SKU: 32030292

Tripp Lite SU1000XLCD 1000VA / 900W SmartOnline LCD UPS

FREE SHIPPING
• Emergency Power Off Cabling
• SmartOnline 120V 1kVA 900W
• Double-Conversion UPS; Tower
• LCD Screen and Audible Alarm
$565.33
 
Picture of O.P.S. Pulsar 1000 - UPS ( external ) -
Out of Stock
SKU: 32013100

MGE UPS System 86701 O.P.S. Pulsar 1000 - UPS ( external ) -

FREE SHIPPING
• 900 Watt
• LCD display
• LED indicators
• Internal bypass
$588.36
 
Picture of 1000VA / 900W SmartOnline UPS - Tower/RM
In stock
SKU: 32030282

Tripp Lite SU1000RTXLCD2U 1000VA / 900W SmartOnline UPS - Tower/RM

FREE SHIPPING
• PowerAlert Software with USB
• SmartOnline 120V 1kVA 900W
• 2 independently switched load banks
• Expandable runtime; Hot-swap batteries
$656.56
 
Picture of SmartOnLine UPS ( external ) - AC
In stock
SKU: 32013102

Tripp Lite SUINT1000RTXL2UA SmartOnLine UPS ( external ) - AC

FREE SHIPPING
• Double-Conversion UPS
• SmartOnline 230V 1kVA 800W
• 2U - Rack/Tower; Extended Run
• 4-Post Rackmount Installation Hardware
$672.33
 
Picture of SmartOnLine UPS ( external ) - AC
In stock
SKU: 32013021

Tripp Lite SU1500XL SmartOnLine UPS ( external ) - AC

FREE SHIPPING
• Hot-swappable battery modules
• High efficiency economy mode option
• On-line double-conversion tower UPS
• Front panel status LEDs w/ detailed load
$673.84
 
Picture of O.P.S. Pulsar 1000 RT2U - UPS (
Out of Stock
SKU: 32013101

MGE UPS System 86702 O.P.S. Pulsar 1000 RT2U - UPS (

FREE SHIPPING
• LCD display
• LED indicators
• Internal bypass
• Height Rack 2U
$680.10
 
Picture of SmartOnLine 1200W / 1500VA UPS - 2U Rack
In stock
SKU: 30878558

Tripp Lite SU1500RTXL2UA SmartOnLine 1200W / 1500VA UPS - 2U Rack

FREE SHIPPING
• Compact rackmount form factor
• Support for network card options
• Ships with all mounting accessories
• Expandable runtime; Hot-swap batteries
$710.30
 
Picture of 1500V /1350W SmartOnline Tower UPS
In stock
SKU: 32030287

Tripp Lite SU1500XLCD 1500V /1350W SmartOnline Tower UPS

FREE SHIPPING
• LCD Screen and Audible Alarm
• Individually Controllable Outlets
• Reliable; Expandable Battery Backup
• AC Line and Tel/Ethernet Surge Suppression
$753.58
 
Picture of O.P.S. Pulsar 1500 - UPS ( external ) -
Out of Stock
SKU: 32013019

MGE UPS System 86703 O.P.S. Pulsar 1500 - UPS ( external ) -

FREE SHIPPING
• LCD display
• LED indicators
• Internal bypass
• 13 min at half load
$784.55
 
Picture of SmartOnline 1500VA Tower/Rack-Mountable
Out of Stock
SKU: 32031149

Tripp Lite SUINT1500RTXL2U SmartOnline 1500VA Tower/Rack-Mountable

FREE SHIPPING
• 2U Rack/Tower
• Hot-swap batteries
• Emergency Power Off
• USB; RS232 & EPO ports
$796.99
 
Picture of Smart-UPS 700W / 1000VA UPS - 2U Rack
Out of Stock
SKU: 30451864

APC SURT1000XLI Smart-UPS 700W / 1000VA UPS - 2U Rack

FREE SHIPPING
• External - 2U
• 6x connector
• Audible alarm
• Lead acid Technology
$815.45
 
Picture of SmartOnLine UPS ( external ) - AC
In stock
SKU: 32013064

Tripp Lite SU2200XLA SmartOnLine UPS ( external ) - AC

FREE SHIPPING
• Intelligent battery management
• PowerAlert Software and cabling
• Front panel status LEDs w/ detailed load
• On-line Double-Conversion UPS System
$851.50
 
Picture of 1500VA / 1350W SmartOnline UPS
In stock
SKU: 32030289

Tripp Lite SU1500RTXLCD2U 1500VA / 1350W SmartOnline UPS

FREE SHIPPING
• 2U Rack/Tower - LED display
• Transformerless; IGBT technology
• 2 independently switched load banks
• NEMA 5-15P input; 6 NEMA 5-15R outlets
$865.85
 
Picture of 2000VA / 1400W 230V SmartOnline Tower
Out of Stock
SKU: 32023889

Tripp Lite SUINT2000XL 2000VA / 1400W 230V SmartOnline Tower

FREE SHIPPING
• 3 C13-to-C14 power cables included
• True on-line; double conversion UPS
• PowerAlert unattended shutdown software
• 2000VA/1400W power capacity w 8 C13 outlets
$868.89
 
Picture of Smart-UPS RT - UPS - Rack-mountable -
Out of Stock
SKU: 32023231

APC SURT1000RMXLI Smart-UPS RT - UPS - Rack-mountable -

FREE SHIPPING
• Automatic internal bypass
• Flash upgradeable firmware
• Disconnected battery notification
• Frequency and voltage regulation
$987.80
 
Picture of Smart-UPS RT 1500VA - UPS ( external )
In stock
SKU: 30681628

APC SURTA1500XL Smart-UPS RT 1500VA - UPS ( external )

FREE SHIPPING
• LED status indicators
• Flash upgradeable firmware
• Plug-and-Play external batteries
• Frequency and voltage regulation
$1,006.03
 
Picture of SmartOnLine 1600W / 2200VA UPS - 2U Rack
In stock
SKU: 30878559

Tripp Lite SU2200RTXL2UA SmartOnLine 1600W / 2200VA UPS - 2U Rack

FREE SHIPPING
• Built-in power management
• Double-Conversion UPS - 2U
• Optional economy mode setting
• 14 Half - 4.5 Full Load Runtime min.
$1,015.11
 
Picture of APC SMART-UPS - 1200 Watts / 1500
In stock
SKU: 32023263

APC SMX1500RM2UNC APC SMART-UPS - 1200 Watts / 1500

FREE SHIPPING
• Multiple switched outlet groups
• Plug-and-Play external batteries
• Energy meter - Cold-start capable
• Reduces utlility costs; generates less heat
$1,112.41
 
Picture of 2.20kVA / 1.80kW SmartOnline Tower UPS
In stock
SKU: 32030276

Tripp Lite SU2200XLCD 2.20kVA / 1.80kW SmartOnline Tower UPS

FREE SHIPPING
• EMI/RFI Line Noise Filtering
• Double-Conversion UPS Tower
• Emergency Power Off Capability
• Reliable; Expandable Battery Backup
$1,118.50
 
Picture of Smart-UPS 1500VA / 1050W RT Rack / Tower
Out of Stock
SKU: 32023926

APC SURTA1500RMXL2U Smart-UPS 1500VA / 1050W RT Rack / Tower

FREE SHIPPING
• Scalable runtime
• Automatic self-test
• LED status indicators
• Network manageable
$1,146.74
 
Picture of SmartOnLine - UPS ( external ) - AC
Out of Stock
SKU: 32013260

Tripp Lite SU2200RMNAFTA SmartOnLine - UPS ( external ) - AC

FREE SHIPPING
• Audible alarm - Self-test
• Fault-tolerant auto-bypass mode
• Expandable 2U Rack / Tower UPS
• Hot-swappable inter/exter Batteries
$1,163.90
 
Picture of 2.20kVA / 1.75kW Tower UPS
Out of Stock
SKU: 32030273

APC SURTA2200XL 2.20kVA / 1.75kW Tower UPS

FREE SHIPPING
• Flash upgradeable firmware
• Intelligent battery management
• Frequency and voltage regulation
• SmartSlot - LED status indicators
$1,231.17
 
Picture of 2.20kVA/1.80kW SmartOnline UPS -Tower/2U
In stock
SKU: 32030279

Tripp Lite SU2200RTXLCD2U 2.20kVA/1.80kW SmartOnline UPS -Tower/2U

FREE SHIPPING
• PowerAlert UPS monitoring software
• 2 independently switched load banks
• Intelligent battery management system
• Single line TEL/Network surge suppression
$1,244.32
 
Picture of 3000VA / 2400W SmartOnline UPS
In stock
SKU: 32030300

Tripp Lite SU3000XL 3000VA / 2400W SmartOnline UPS

FREE SHIPPING
• Hot-swappable batteries
• UPS system is ideal for critical voice
• High efficiency economy mode option
• Double-Conversion UPS; Extended Run
$1,279.02
 
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