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Review Summary
2021-08-04T20:00:00
I have two of these, one works, the other turns itself off and requires you to unplug from the wall before you can turn it back on. If that's how you want your UPS to work, then these will work for you! and, forget about support helping, totally useless. (Jonathan Neil)
Rodger D.

2020-11-07T19:00:00
not for home network. Is a 1 U but is too deep for a home network rackmount
AManuel

2020-01-26T19:00:00
Great performing little 450VA Rackmount UPS. Sturdy and reliable. Tons of features for the price, can't go wrong. Highly recommended!
Splattered23

2019-12-19T19:00:00
APC provides a reliable and appropriately priced solution. Like that it has SC.
reviewAPC

2019-12-19T19:00:00
APC provides a reliable and appropriately priced solution. Like that it has SC.
APC4U

2018-09-16T20:00:00
More of a mid size business options, but workable. I would prefer the APC Smart UPS options that a bit smaller. This does not compete with them for the price point.
RKTech

2018-02-22T19:00:00
For extremely small rack deployments, this is about the most minimal UPS you can get. But its short depth is a definite advantage in many situations. Sometimes a small, dedicated UPS is all you need for a compact installation.
esstek

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk3288a

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk3428jd

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk339fsjk

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk3323sdk0

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk33dahu

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk328fjj

2017-12-20T19:00:00
Pros: This unit is exactly what I needed. I had a Active PFC power supply, so wanted to make sure to have a pure sine way UPS. This unit runs my server (Quad core Xeon 3400 series, eight drives, lots of fans), router, two switches, wap and still runs for around 15minutes.
osudk3329094d

2017-05-09T20:00:00
I like the form factor of these and have not had an issue with any of their deployments!
RD

2017-05-09T20:00:00
I like the form factor of these and have not had an issue with any of their deployments!
0

2017-04-24T20:00:00
Great unit that doesn't take up all your space but gets the job done. Also a great price.
AE

2017-04-24T20:00:00
Great unit that doesn't take up all your space but gets the job done. Also a great price.
0

2017-04-23T20:00:00
this is a great UPS for small business network protection
0

2017-04-22T20:00:00
this is a great UPS for small business network protection
Psychsoft

2017-04-20T20:00:00
Exactly what I needed
0

2017-04-10T20:00:00
This is a great device to put in a demarc to support Router, and firewall Broadband modem, even a WAN switch. I don't like putting those device on shared UPS that may have high draw loads. this is a great way to provide dedicated power support.
JustC

2017-04-10T20:00:00
This is a great device to put in a demarc to support Router, and firewall Broadband modem, even a WAN switch. I don't like putting those device on shared UPS that may have high draw loads. this is a great way to provide dedicated power support.
0

2017-03-16T20:00:00
Great Quality
0

2012-11-13T19:00:00
If you want to manage this product via the network be sure you get the unit with a network management card. The card will eliminate the phone/network surge protection ports. We use these units to backup our switches and has been working well for over a year. No complaints so far.
Nickname

2012-11-13T19:00:00
If you want to manage this product via the network be sure you get the unit with a network management card. The card will eliminate the phone/network surge protection ports. We use these units to backup our switches and has been working well for over a year. No complaints so far.
0

2011-09-27T20:00:00
Even though the documentation under manageability states that it is network manageable it is not and can only be managed through DB9 rs232 serial.
0

2011-09-26T20:00:00
Even though the documentation under manageability states that it is network manageable it is not and can only be managed through DB9 rs232 serial.
Architect

2011-02-16T19:00:00
Great Smart UPS. Well made and easy to replace the battery. Only negative comment is theat because most new computers do not have a RS-232 (serial) connector, the features offered by the software are obsolete and useless.
whatever

2011-02-16T19:00:00
Great Smart UPS. Well made and easy to replace the battery. Only negative comment is theat because most new computers do not have a RS-232 (serial) connector, the features offered by the software are obsolete and useless.
0

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Browse our FAQ
280 Watts / 450 VA
280 Watts / 450 VA
120V
Less than 5% at full load
47 - 53 Hz for 50 Hz nominal, 57 - 63 Hz for 60 Hz nominal
Line Interactive
Stepped approximation to a sinewave
4 x NEMA 5-15R
120V
50/60 Hz +/- 3 Hz (auto sensing)
NEMA 5-15P
1.83 meters
82 - 144V
75 - 154V
Maintenance-free sealed Lead-Acid battery with suspended electrolyte: leakproof
5 hour(s)
RBC18
DB-9 RS-232
LED status display with On Line: On Battery: Replace Battery and Overload indicators
Alarm when on battery: distinctive low battery alarm: overload continuous tone alarm
Optional
400 Joules
Full time multi-pole noise filtering: 0.7% IEEE surge let-through: zero clamping response time: meets UL 1449
RJ-11 Modem/Fax protection (four wire dual line), RJ45 10/100 Base-T Ethernet protection
0 - 40 deg.C
0 - 95%
0-3000 meters
-15 - 45 deg.C
0 - 95%
0-15000 meters
38.00 dBA
38.00 BTU/hr
CSA, FCC Part 15 Class A, UL 1778
1U
1.73x17x15.15" / 44x432x385mm
23.74lbs / 10.77kg
731304222705
Small Rackmount Classic
By Splattered23
Great performing little 450VA Rackmount UPS. Sturdy and reliable. Tons of features for the price, can't go wrong. Highly recommended!
Solid and reliable
By APC4U
APC provides a reliable and appropriately priced solution. Like that it has SC.
The APC Smart-UPS SC 450VA 120V 1U Rackmount/Tower is a professional uninterruptible power supply designed to prevent blackouts, brownouts, sags and surges from reaching your valuable equipment. It filters small utility line fluctuations and isolates your equipment from danger by internally disconnecting it from the utility line.
When disconnected from the utility line, power is provided continuously from its internal battery until normal or safe conditions return or the battery is fully discharged. The unit also supplies battery-powered AC. The UPS can be used in a tower or rackmount configuration. Front-access servicing also makes it easier to manage. This unit also offers RS-232 connectivity.