APC Smart-UPS SC 420VA 230V

£128.09 includes FREE UK Postage (other delivery options available)

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APC Smart-UPS protects your data by supplying reliable, network-grade power in either traditional Tower or Rack-optimized form factors for space constrained business critical applications. Award winning APC Smart-UPS is the perfect UPS for protecting business critical fileservers (Intel or UNIX based), minicomputers, network switches and hubs, Point of Sale, retail/bank back office and ATM's. Rack Mount versions are the choice for rack optimized servers, server appliances, blade servers, other blade devices and rack-mounted network switches and hubs. With included PowerChute management software for servers and workstations, IT administrators can provide safe system shutdown and advanced UPS management (All major operating systems supported). Connectivity is through serial or USB port (USB not standard on all models). Additional manageability is available through the SmartSlot, an internal accessory slot that allows you to install optional accessories to enhance the performance of your UPS. Network connection with Web browser management and/or environmental monitoring, serial port expansion, and out-of-band management options are available. With pure sine-wave output ensuring compatibility with all connected devices, Intelligent Battery Management ensuring a highly available UPS and an advanced 16 segment bar graph display ensuring information and management, the Smart-UPS is a UPS you can count on.


APC Smart-UPS, 420VA/260W, Input 230V/Output 230V, Interface Port DB-9 RS-232.


2 Years Repair or Replace.


Input Connection type

IEC-320 C14

Output Connections

(1) IEC 320 C13 (Surge Protection)(3) IEC 320 C13 (Battery Backup)(2) IEC Jumpers (Battery Backup)

Typical backup time at half load

13.5 minutes

Typical backup at full load

5.5 minutes

Interface Port

DB-9 RS-232

Battery Type

Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof

Control Panel

LED status display with On Line : On Battery : Replace Battery and Overload indicators

Audible Alarm

Alarm when on battery : distinctive low battery alarm


CE  EN 50091-1  EN 50091-2  GOST  IEC 60950  IRAM  PCBC  VCCI  VDE


Output Capacity


Output Wattage


Output Voltage


Max Configurable Capacity


Input Voltage Range

160 to 286VAC



Full time multi-pole noise filtering : 0.7% IEEE surge let-through : zero clamping response time : meets UL 1449

Surge Energy




Operating Temperature 0 to 40°C - Humidity 0 to 95%


Case Colour


In The Box

CD with software, Smart UPS signalling RS-232 cable, User Manual


12.0cm (W) x 37.0cm (D) x 17.0cm (H) - Weight 9.0kg


  • Battery-protected and surge-only outlets
  • Dataline Surge Protection
  • Adjustable voltage sensitivity
  • Adjustable voltage-transfer points
  • Audible alarms
  • Automatic restart of loads after UPS shutdown
  • Automatic self-test
  • Boost and Trim Automatic Voltage Regulation (AVR)
  • Cold-start capable
  • Generator compatible
  • Hot-swappable batteries
  • Intelligent Battery Management
  • LED status indicators
  • Network manageable
  • Power conditioning
  • Predictive failure notification
  • Resettable Circuit Breakers
  • Safety-agency approved
  • Serial connectivity
  • SmartSlot
  • Temperature-compensated battery charging

For more information and our Delivery Policy see here.

For more information and our Returns Policy see here.

Catalogue No: EL-01023002