APC Smart-UPS Line-Interactive 0.45 kVA 280 W 4 AC outlet(s)

Manufacturer: APC | Model: SC450RMI1U | Product ID: 9889
£336.76 (inc. VAT)
16 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Features
UPS topologyLine-Interactive
Output power capacity0.45
Output power280
WaveformSine
Input operation voltage (min)151
Input operation voltage (max)302
Input frequency50/60
Automatic Voltage Regulation (AVR)Yes
Surge energy rating320
Hold time (min)4
Hold time (max)8
Noise level38
Surge protectionYes
Surge protection featuresDigital Subscriber Line (DSL),Fax,Modem,Network
Audible alarm(s)Yes
Audible alarm modesLow battery alarm,Overload alarm
Auto-restartYes
Ports & interfaces
AC outlet typesC13 coupler
Power plugC14 coupler
AC outlets quantity4
Number of output IEC jumpers2
Serial interfaceYes
Serial interface typeRS-232
Serial ports quantity1
Battery
Battery technologySealed Lead Acid (VRLA)
Battery capacity108
Typical backup time at full load5.9
Typical backup time at half load19.4
Battery life (max)5
Battery recharge time5
Hot-swap batteryYes
Automatic battery testYes
Design
Form factorRackmount/Tower
Rack capacity1U
Product colourGrey
LED indicatorsBattery replacement
CertificationC-tick, CE, GOST, VDE, PEP, EOLI
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-15 - 45
Operating relative humidity (H-H)0 - 95
Storage relative humidity (H-H)0 - 95
Operating altitude0 - 3000
Non-operating altitude0 - 15000
Technical details
Sustainability certificatesRoHS
Weight & dimensions
Width432
Depth383
Height44
Weight10180
Package width476
Package depth589
Package height164
Package weight11730
Packaging data
Rack mount kitYes
Cables includedRS-232
ManualYes
Software CDYes
Logistics data
Products per pallet24
Other features
Nominal output voltage230

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Wed 26th Aug 2026 to Sat 29th Aug 2026
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Tue 25th Aug 2026 to Thu 27th Aug 2026
View all Delivery Options & International Rates
The economical UPS to start your business
APC Smart-UPS SC is the perfect protection for the IT resources of your growing business. Manageable and cost effective, APC Smart-UPS SC is designed for use by small and medium companies looking to protect entry level servers and networking equipment, providing both power and data-line protection. Included PowerChute Business Edition management software allows you to configure safe system shutdowns and take advantage of advanced UPS management features like automated risk assessments and runtime capacity calculations. (All major operating systems supported). Communications are through your server's standard serial port. When you are ready to take your business to the next level you can use the same software environment found on Smart-UPS SC to seamlessly manage other Smart-UPS models, allowing you to grow your IT infrastructure without having to replace your software or retrain your administrators. Built on the same standards as the award winning Smart-UPS UPS, the Smart-UPS SC is the UPS to start your business with.
Features
UPS topologyLine-Interactive
Output power capacity0.45
Output power280
WaveformSine
Input operation voltage (min)151
Input operation voltage (max)302
Input frequency50/60
Automatic Voltage Regulation (AVR)Yes
Surge energy rating320
Hold time (min)4
Hold time (max)8
Noise level38
Surge protectionYes
Surge protection featuresDigital Subscriber Line (DSL),Fax,Modem,Network
Audible alarm(s)Yes
Audible alarm modesLow battery alarm,Overload alarm
Auto-restartYes
Ports & interfaces
AC outlet typesC13 coupler
Power plugC14 coupler
AC outlets quantity4
Number of output IEC jumpers2
Serial interfaceYes
Serial interface typeRS-232
Serial ports quantity1
Battery
Battery technologySealed Lead Acid (VRLA)
Battery capacity108
Typical backup time at full load5.9
Typical backup time at half load19.4
Battery life (max)5
Battery recharge time5
Hot-swap batteryYes
Automatic battery testYes
Design
Form factorRackmount/Tower
Rack capacity1U
Product colourGrey
LED indicatorsBattery replacement
CertificationC-tick, CE, GOST, VDE, PEP, EOLI
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-15 - 45
Operating relative humidity (H-H)0 - 95
Storage relative humidity (H-H)0 - 95
Operating altitude0 - 3000
Non-operating altitude0 - 15000
Technical details
Sustainability certificatesRoHS
Weight & dimensions
Width432
Depth383
Height44
Weight10180
Package width476
Package depth589
Package height164
Package weight11730
Packaging data
Rack mount kitYes
Cables includedRS-232
ManualYes
Software CDYes
Logistics data
Products per pallet24
Other features
Nominal output voltage230

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a simple, hassle-free returns policy. If for whatever reason you are not happy with the item purchased, you can return it to us within 14 days of receipt for a refund. This applies to items purchased direct through Buykingston only.

Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If an item has been opened for inspection but shows signs of use beyond that, a deduction may apply to reflect the reduced value — see our full Terms & Conditions (Section 12) for details.

Some items are excluded from our money-back guarantee unless they have developed a fault. These include:

- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with custom logos on them, e.g. USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked items.

How do I go about returning my order?
Please contact us via our contact page with your order number. We will provide you with an RMA number and return instructions, including your return deadline and whether a freepost label applies to your order.

Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.

Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we understand you may no longer have the original packaging.

Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable return postage, or provide a freepost label where available. If you are returning an item for another reason (including simply changing your mind), you are responsible for return postage unless we have expressly confirmed a freepost label in your RMA email — we recommend using a tracked and insured service for items of significant value.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer directly for assistance.

Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.