Xtreme Power Conversion XST-400 400VA / 240W 120V Standby UPS
Xtreme Power Conversion XST-400 400VA / 240W 120V Standby UPS
Xtreme Power Conversion XST-400 400VA / 240W 120V Standby UPS
Xtreme Power Conversion XST-400 400VA / 240W 120V Standby UPS

Xtreme Power Conversion XST-400 400VA / 240W 120V Standby UPS

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Xtreme Power Conversion XST-400 400VA / 240W 120V Standby UPS


The compact XST is a single phase standby UPS designed to deliver power protection to small routers, switches, desktop PCs, VoIP equipment, phone systems, and point of sale equipment. A vital addition to any home office, it enables graceful shutdown of equipment during a longer power outage.

Product Snapshot

Available models: 400VA, 600VA, 800VA
Compact size and lightweight design
RoHS compliant
Floor, desk, or wall mount
Primary applications: home or small office, desktop computers, routers, switches, and telecom closets
2 years electronics, 2 years battery warranty (USA and Canada)


MODEL NUMBER XST-400 XST-600 XST-800
INPUT Capacity 400VA (240W) 600VA (360W) 800VA (480W)
Voltage 120VAC
Frequency 60Hz
OUTPUT Voltage 120VAC
Waveform Sine wave (normal), simulated sine wave (battery mode)
Frequency 60Hz ± 1Hz
Transfer time 2–6ms
BATTERY Battery type Sealed, maintenance free lead acid
Battery quantity and size (1) 12V 4.5AH (1) 12V 7AH (1) 12V 9AH
Recharge 8 hours to 90% capacity
PHYSICAL UPS dimensions (W x D x H) 3.2 x 8.9 x 8.1 in (vertical stand position)
Shipping dimensions 4.7 x 11.4 x 11.0 in
UPS weight 4.8 lbs 5.9 lbs 6.8 lbs
Shipping weight 5.6 lbs 6.7 lbs 7.6 lbs
Line cord 5 ft, 5–15P
Receptacles (4) NEMA 5–15R
ENVIRONMENT Operating temperature 32–104°F (0–40°C)
Humidity 0–90%
Altitude 11,500 ft above sea level
INDICATORS & ALARMS AC mode Blue LED ON
Battery mode Blue LED flashes every 10 sec; audible alarm flashes every 10 sec
Low battery Blue LED flashes every sec; red LED ON; audible alarm flashes every sec
Fault Red LED ON; continuous audible alarm
Over temperature protection Red LED flashes every 0.5 sec
WARRANTY 2 years electronics, 2 years battery (USA and Canada)
COMMUNICATIONS INTERFACE None USB
INCLUDED IN BOX User manual ViewPower CD, USB cable, user manual