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Compact beige mini-tower UPS with five NEMA 5-15R outlets on the rear panel

Vertiv

Vertiv PSI5-750MT120 750 VA 675W 120V UPS

SKU CH-R54X-D47VY MPN PSI5-750MT120

Line-interactive UPS with 750 VA capacity, AVR, 0.9 power factor, five NEMA 5-15R outlets and optional remote monitoring card

  • Voltage version120 V
  • AC input voltage75-146VAC
  • Input line frequency55-65 Hz (57-63 Hz Battery to Normal comeback)
  • Power inputNEMA 5-15P
  • Volt-ampere rating750 VA
  • Power rating675 W

Model PSI5-750MT120

  • 9 power factor delivers 675W usable power from 750VA
  • AVR corrects 75-146VAC input without draining battery
  • Pure sine wave output protects sensitive IT equipment
  • 5 NEMA 5-15R outlets include 2 programmable for load prioritisation
  • Unity card slot enables remote monitoring of up to 50 UPS units

Mini Tower UPS for Desktop and Small IT

The Vertiv PSI5-750MT120 is a 750 VA line interactive UPS that delivers 675 W of pure sine wave output. It protects computers, network gear and point of sale equipment from outages, brownouts and noise. Automatic Voltage Regulation corrects input from 83 to 159 VAC without using the battery.

Line Interactive Limits at 120 V

The unit accepts 75 to 146 VAC input and 55 to 65 Hz frequency before switching to battery. Transfer time is under 6 ms. AVR handles sags and swells between 83 and 159 VAC. Surge protection meets ANSI C62.41 Category A Level 3 at 1372 J. Overload and short circuit protection use electronic latching shutdown.

Plug And Play With Optional Management

No installation is required beyond connecting the NEMA 5-15P plug and the five NEMA 5-15R outlets. Two outlets are programmable for load shedding. A communication card slot enables remote monitoring of up to 50 units via Vertiv Trellis Power Insight. Battery recharge takes 6 to 8 hours to reach 90 percent capacity.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $323.99
Cheaper than about 74% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameLiebert
Product linePSI5
Model namePSI5-750MT120
Power
Voltage version120 V
AC input voltage75-146VAC
Input line frequency55-65 Hz (57-63 Hz Battery to Normal comeback)
Power inputNEMA 5-15P
Volt-ampere rating750 VA
Power rating675 W
Voltage output120VAC (100/110/115/125VAC user-configurable)
Power outlets5
Battery typeValve Regulated Lead Acid (VRLA)
Battery charge time6-8 h to recover 90%
Built-in protectionElectronic (over current, short circuit w/ latching shutdown)
Size & build
Rack mountingMini Tower
Product dimensions5.7 in × 14.8 in × 8.7 in
Product weight24.7 lb (11.2 kg)
Shipping weight11.34 kg
Package size371 × 221 × 145 mm
Environment & compliance
Regulatory approvalsUL 1778, c-UL-us Listed
Temperature rangeOperating Temperature, ° F (° C) 32-104 (0-40)
Storage Temperature °F (°C)-5- 122 (-15- 50)
Humidity range20% to 90% non-condensing
More details
Surge protectionANSI C62.41, Category A, Level 3 1372 J

Other versions of this model

5 more in the same range

Questions about this item

Which capacity should I choose for a desktop PC and monitor?

The 750 VA / 675 W rating with a 0.9 power factor supports typical desktop plus monitor loads; total connected watts must stay below 675 W.

What does the 750 VA rating deliver in real use?

It provides up to 675 W of usable power with pure sine wave output and AVR that corrects 83–159 VAC without battery drain.

What input plug and output receptacles does this UPS use?

It connects via a NEMA 5-15P plug and supplies five NEMA 5-15R outlets, two of which are programmable for load shedding.

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