1) Advanced PWM technology for inverter output
2) AVR function, inner installed examination circuit for too low or too high voltage of commercial power, can connect with the power generator
3) Low current switch control technology to extend the life of the switch
4) Thermal battery change technology, convenient for the user's to change battery (UPS-550A/B, 550CA/CB)
5) Inner-equipped charger of constant current and voltage, advanced battery management and low voltage protection system
6) RJ45/11 terminal for telephone, fax, and modem circuit protection
7) Smart RS232 interface for automatic file saving and power off, low voltage of battery examination functions, etc. (only for Model "B")
8) Special protection against AC/DC overload and short-circuit protection against inversion state with high reliability
9) Seven optional colors of front panel to meet different customer's requirements
Specifications:
1) Models: UPS-550A, UPS-550B, UPS-550CA, UPS-550CB, UPS-1100CA, UPS-1100CB, UPS-1100A, UPS-1100B
2) Max. Capacity (VA): 500VA/300W, 425VA/250W, 1000VA/600W, 1200VA/720W
3) Rated capacity (VA): 315VA/200W, 315VA/200W, 800VA/480W, 1000VA/600W
4) Input commercial power range: 165VAC-280VAC, 145VAC-285VAC
5) AVR range: 175VAC-270VAC, 155VAC-275VAC
6) Frequency: 50Hz+/-10% 45-65Hz automatic self-check
7) Output Commercial power: Sine-wave
8) Inversion: Simulate sine-wave
9) Frequency: Commercial power supply: Share frequency with the commercial inversion state: 50Hz +/- 0. 5% or 50Hz +/- 1%
10) AVR voltage range: 220VAC+/-10% (auto-sensing)
11) Transfer time: Typical: 10ms
12) Spark protection: 320 joules, 2ms
13) Filter: 10dB at 0. 15MHz, 50dB at 30Hz
14) Overload: UPS automatic shutdown if overload exceeds150% of normal value for 30 seconds and 180% for 3 seconds
15) TEL/FAX/MODEM RJ45/11 jacks (compatible with UPS-550B/CB, UPS 1100B/CB)
16) Short circuit: UPS output is cutoff immediately or input circuit breaker protection
17) Alarm:
A) Battery back-up: Beep sound every 4 seconds under input disconnection
B) Battery low voltage: Beeping sound every 1 second when battery runs out
18) Battery type: Sealed, maintenance-free lead acid
19) Capacity: (12V, 7Ah)*1, (12V, 5. 5Ah)*1, (12V, 5. 5Ah)*2,
