0 items ($0.00) in your cart
  • MX451 Back-UPS CS 350
  • MX451 Back-UPS CS 350
  • MX451 Back-UPS CS 350
  • MX451 Back-UPS CS 350
  • SKU: MX451
  • ILC: 731304016298
  • Part #: BK350
We're sorry. This product is not available online at this time.
Out of Stock Availability:
Calgary Region
Online Store: Out of Stock
Accuracy of information cannot be guaranteed.
1500709297000 true Store Inventory Updated

Product Info

The re-invention of the most relied upon desktop UPS in history: the Back-UPS!
The Back-UPS CS offers our best value for protecting your business and office computer systems. It provides battery backup power that allows you to work through short and medium length power outages. It also safeguards your equipment from damaging surges and spikes that travel along your utility and phone lines. Award-winning shutdown software automatically powers down your computer system in the event of an extended power outage. Additional features like audible alarms, LED status indicators, user replaceable battery, push-button circuit breakers and transformer-block spaced outlets make the Back-UPS CS the perfect unit to protect your business' productivity from the constant threat of power outages and lost data.



  • Data line surge protection
    Protects connected loads from surges, spikes, lightning, and other power disturbances.
  • Battery-protected and surge-only outlets
    Reserves power capacity and run time for connected equipment that require battery back-up while providing surge only protection for less critical equipment


  • LED status indicators
    Quickly understand unit and power status with visual indicators.
  • Audible alarms
    Provides notification of changing utility power and UPS conditions.
  • Transformer-block spaced outlets
    Protect equipment with input transformer blocks without blocking access to other receptacles.
  • Automatic self-test
    Periodic battery self-test ensures early detection of a battery that needs to be replaced.
  • Battery replacement without tools
    Allows quick, easy battery replacement.


  • Cold-start capable
    Provides temporary battery power when the utility power is out.
  • Hot-swappable batteries
    Ensures clean, uninterrupted power to protected equipment while batteries are being replaced
  • Automatic restart of loads after UPS shutdown
    Automatically starts up the connected equipment upon the return of utility power.
  • Resettable circuit breakers
    Enables a quick recovery from overload events.


  • Safety-agency approved
    Ensures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment. UL, FCC, CE, C-Tick approvals.


Output Power Capacity 210 Watts / 350 VA
Max Configurable Power 210 Watts / 350 VA
Nominal Output Voltage 120V
Waveform Type Stepped approximation to a sinewave
Output Connections (3) NEMA 5-15R (Battery Backup)
(3) NEMA 5-15R (Surge Protection)
Nominal Input Voltage 120V
Input Frequency 50/60 Hz +/- 3 Hz (auto sensing)
Input Connections NEMA 5-15P
Input voltage range for main operations 98 - 140V
Batteries & Runtime  
Battery Type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
Typical recharge time 8 hour(s)
Replacement battery cartridge RBC2
RBC™ Quantity 1
Typical Backup Time at Half Load 18.1 minutes (105 Watts)
Typical Backup Time at Full Load 4.7 minutes (210 Watts)
Runtime Chart Back-UPS CS
Communications & Management  
Interface Port(s) DB-9 RS-232,USB
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 : overload continuous tone alarm
Surge Protection and Filtering  
Surge energy rating 1020 Joules
Filtering Full time multi-pole noise filtering : 5% IEEE surge let-through : zero clamping response time : meets UL 1449
Dataline protection RJ-11 Modem/Fax/DSL protection (two wire single line)
Maximum Height 165.00 mm
Maximum Width 91.00 mm
Maximum depth 284.00 mm
Net Weight 5.68 KG
Color Beige
Operating Environment 0 - 40 °C
Operating Relative Humidity 0 - 95%
Operating Elevation 0-3000 meters
Storage Temperature -15 - 45 °C
Storage Relative Humidity 0 - 95%
Storage Elevation 0-15000 meters
Audible noise at 1 meter from surface of unit 45.00 dBA
Online Thermal Dissipation 20.00 BTU/hr
Regulatory Approvals FCC Part 68,TUV


Standard Warranty: 3 years repair or replace
Equipment protection policy: Lifetime : $100000