Product Name : PM-321000SKC
Product Description

Line interactive design 
Boost and buck AVR 
Hot swappable battery replacement by users 
Overload, on-line, battery status LED or LCD display 
Fully digitized microprocessor controlled 
Smart RS-232 communication port 
Lightning and surge protection 
Short circuit and overload protection 
50/60Hz frequency auto sensing 
Tel/modem internet spike protection 
Site wiring fault warning * 
Smart power management with software 
Load/Battery power meter display 
Advanced battery management (ABM) 
Energy saving (UPS sleep mode) 
Cold start (DC power on) 
SNMP capability (optional) 
USB capability (optional) 

* Feature only for 100V/110V/115V models 

Pure sine wave output for any critical load. 


Tower Model (LED display) PM-321000SKE
Tower Model (LCD display) PM-321000SKC
19" Rack-mount Model  (LED display) PM-321000SKER
19" Rack-mount Model  (LCD display) PM-321000SKCR
INPUT Capacity 1000VA
Voltage +/-25% at line input, single phase
Frequency 50 or 60Hz +/-5Hz (auto sensing)
OUTPUT Voltage
(on battery)
Pure sine wave at +/-5% of nominal, -10% of nominal after low battery warning
(on battery)
50 or 60Hz +/-0.5%
Voltage Regulation (AVR) AVR automatically increase output voltage 15% above input voltage if -9% to -25% of nominal.
AVR decrease output voltage 15% below input voltage if +9% to +25% of nominal
Spike Protection 320 Joules, 2ms
Unit Input Fuse for 110V models (600VA~2500VA) and 220V models (under 1250VA), breaker for 110V model (3000VA) and 220V models (above 1500VA)
EMI/RFI filter 10dB at 0.15MHz, 50 dB at 30MHz
Overload Protection UPS automatic shutdown if overload exceeds 110% of nominal at 20 seconds and 125% at 5 seconds.
Transfer Time 2/4 milliseconds (typical), including detection time
Short Circuit UPS output cut off immediately or input fuse (or breaker) protection
BATTERY Type Hot swappable, sealed, maintenance-free lead acid, with 3-6 years lifetime
Typical Recharge Time 4 hours (to 90% of full capacity)
Protection Automatic self-test & discharge protection, Replace battery indicator
Back up Time
(one PC and one 15" monitor)
Net Weight Kg
Tower 15.0 (33.0 lb)
19" 2U Rack-mount 20.0 (44.5 lb)
19" 3U Rack-mount 20.0 (44.5 lb)
W x D x H (mm)
Tower 140 x 436 x 210 (5.5" x 17.2" x 8.3")
19" 2U Rack-mount 483 x 430 x 84 (19.0 "x 16.9" x 3.3")
19" 3U Rack-mount 483 x 381 x 130 (19.0" x 15.0" x 5.1")
LCD Indicators Status Indicate line, bypass, inv, backup, fault, bat capacity, load capacity, I/P frequency, O/P voltage, O/P frequency, inside temperature, fault status, load
INTERFACE RS232 Detect battery low, Schedule UPS on/off, AC input/output power status display.
Dry contact Sends AC fail and battery low signals, and receives shutdown signal from computer.
Option Novell, SNMP, Windows NT, Windows 95/98/2000/ME
ALARM Battery Back-up Slow beeping sound (about 0.25Hz)
Battery Low Rapid beeping sound (about 1.00Hz)
Overload Continuously beeping sound
ENVIRONMENT Ambient Operation 3,500 meters max, elevation. 0-95% humidity non-condensing, 0-40 deg
Audible Noise  
Storage Condition 15,000 meter max. elevation