500VA APC BK500EI Back-UPS CS - Computer Alliance
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Web ID: 16060

APC Back-UPS,300 Watts / 500 VA, Input 230V /Output 230V, Interface Port Optional Simple Signalling RS232 cable, USB
Manufacturer PN: BK500EI
GTIN: 731304016359
Warranty: 2 Year
Manufacturer Website


BK500EI Features

Serial connectivity 
Use any Home Automation network to monitor and control the S20 through its RS-232 serial port. For information on how to communicate with the S20, see APC's Application Note #102. Crestron and AMX installers should visit their respective websites for information on how to integrate the S20 into those networks.
Serial connectivity 
Provides management of the UPS via a serial port.
USB connectivity 
Provides management of the UPS via a USB port (not available on all models).


Back-UPS Features & Benefits


Battery and surge protected outlets
Back up and protect your hardware and data during power outages, surges and spikes.
Surge only outlets
Protect secondary electronics from surges and spikes without reducing battery power used to run primary electronics during an outage.
Automatic self-test
Periodic battery self-test ensures early detection of a battery that needs to be replaced.
Battery failure notification
Provides early-warning fault analysis on batteries enabling timely preventive maintenance
Intelligent battery management
Maximizes battery performance, life, and reliability through intelligent, precision charging.
Resettable circuit breaker
Easy recovery from overloads; no need to replace a fuse.
Audible alarms
Provides notification of changing utility power and UPS power conditions
LED status display
Quickly understand unit and power status with visual indicators.
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.



Output Power Capacity
300 Watts / 500 VA
Max Configurable Power
300 Watts / 500 VA
Nominal Output Voltage
Output Frequency (sync to mains)
47 - 63 Hz
Waveform Type
Stepped approximation to a sinewave
Output Connections
(1) IEC 320 C13 (Surge Protection) IEC 320 C13
(3) IEC 320 C13 (Battery Backup) IEC 320 C13
(2) IEC Jumpers (Surge Protection)  


Nominal Input Voltage
Input Frequency
50/60 Hz +/- 3 Hz (auto sensing)
Input Connections
IEC-320-C14 inlet  
Cord Length
1.83 meters
Input voltage range for main operations
180 - 266V
Input voltage adjustable range for mains operation
160 - 300V
Maximum Input Current
Input Breaker Capacity
7  A

Batteries & Runtime

Battery Type
Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
Typical recharge time
8 hour(s)
Replacement Battery
RBC Quantity
Curve fit to measured runtime data. All measurements taken with new, fully charged batteries, at typical environmental conditions, with no electrical input and balanced resistive load (PF = 1.0) output.

Energy Use/Efficiency

Load Efficiency
25% 96.4%
50% 98.1%
75% 98.7%
100% 99.0%
Hover over the line on the graph above to view the efficiency at any desired load
Curve fit of data measured in accordance with the ENERGY STAR Program Requirements Product Specification for Uninterruptible Power Supplies (UPSs) - Eligibility Criteria Version 1.0. All measurements taken in normal mode(s), at typical environmental conditions, with 230V/50Hz electrical input and balanced resistive load (PF = 1.0) output.

Communications & Management

Interface Port(s)
Optional Simple Signalling RS232 cable, 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
310 Joules
Full time multi-pole noise filtering : 5% IEEE surge let-through : zero clamping response time : meets UL 1449
Data Line Protection
Analog phone line for phone/fax/modem/DSL (RJ-45 connector)


Maximum Height
165.00 mm
Maximum Width
91.00 mm
Maximum Depth
284.00 mm
Net Weight
6.32 KG
Shipping Weight
7.05 KG
Shipping Height
178.00 mm
Shipping Width
241.00 mm
Shipping Depth
368.00 mm
Master Carton Units
SCC Codes
107 31304 01635 6
Units per Pallet


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
40.00 dBA
Online Thermal Dissipation
24.00 BTU/hr


C-tick, CE, EN 50091-1, EN 50091-2, GOST, VDE
Standard warranty
2 years repair or replace