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APC Back-UPS 400
Part Number: BE400-RS
Battery Backup with Surge Protection for Computers and Electronics
APC by Schneider Electric’s Back-UPS 400 provides enough battery backup power so you can work through 
short length power outages. It also safeguards your equipment against damaging surges and spikes that travel 
along utility and phone lines. The Back-UPS series is "greener" than ever, using an ultra-efficient design that 
consumes less power during normal operation than any other battery backup in its class. This reduces your 
energy costs and environmental impact. Combined with all of the standard features of the Back-UPS series, the 
400 is the perfect unit to protect your productivity from the constant threat of bad power and lost data. 
Product Applications:
PC 
Home networking (DSL-modem or wireless router) 
CCTV 
Networking storage (NAS) 
POS Equipment 
Landline cordless phone
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Product Features:
LED Indicator and Audible Alarms 
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Quickly understand the unit and power status 
through visual and audible indicators.
8 battery backup and surge protected sockets
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• 4 battery backup and surge protection 
Keep critical electronic equipment running when the 
power goes out or fluctuates at dangerous levels, so 
you can protect your work and save your data. 
• 4 surge protection only 
Protect your secondary electronics from harmful 
surges and spikes without reducing battery capacity 
used to run primary electronics during power 
outages. 
Data Line Surge Protection
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Provides protection of connected equipment from 
damaging power surges on telephone and Ethernet 
data lines.
Push Button Circuit Breaker
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Provides for easy recovery from circuit overloads 
and protects your fuse box and electronics from 
electrical damage.
Automatic Diagnostic Testing
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Periodic battery self-test ensures early detection of a 
battery that needs to be replaced.
2 Yr Warranty
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APC offers a 2 year warranty with free technical 
phone and online support, providing customer peace 
of mind.
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Back-UPS 400 Specifications
Model Number BE400-RS
Output
Output Capacity 400VA / 240 Watts 
Output Voltage / Frequency (On utility) 230V / 47 - 63 Hz 
Output Voltage / Frequency (On battery) 230V +/-8%, 50 Hz +/- 0.1% for 50 Hz nominal
Output Connections
Waveform Type Stepped Approximation to Sine Wave
(4 battery backup and surge protection, 
8 Schuko CEE 7 sockets
4 surge protection only)
Input
Input Voltage / Frequency 230V , 50/60 Hz
Input Connection
1.8M power cord 
Schuko CEE 7/7P
Surge Protection
AC Power Surge Protection All sockets
Data Line Surge Protection
Analog phone line for phone/fax/modem/DSL (RJ-11 
connector), Network line - 10/100 Base-T Ethernet 
Physical
Unit Dimensions (H x W x D) 86 x 230 x 285 mm 
Unit Weight  5.4 Kg 
Shipping Dimensions (H x W x D) 132 x 300 x 366 mm 
Shipping Weight 5.6 Kg 
Color  Black 
UPC Code 731304233398
Battery Type
Battery Size 12 volt, 6 Ah
Alarms Visual (LED) and audible alarms 
Warranty 2 Years Repair or Replace
APC by Schneider Electric
132 Fairgrounds Rd 
West Kingston, RI 02892
www.apc.com
Battery
Maintenance-free, sealed lead-acid battery with suspended 
electrolyte: leak proof 
Management