LCD Series Off-Line UPS
Features:1) Internal CPU control2) Advanced PWM technology for inverter output3) AVR function4) Low current switch control technology to extend the life of the switch5) Thermal battery change technology, convenient for the user's to change battery (DH-500A/B, DH-500CA/CB)6) Inner equipped charger of constant current and voltage, advanced battery management and low voltage protection system7) RJ45/11 for telephone, fax and modem circuit protection8) Smart RS232 interface for automatic file saving and power-off functions at your computer9) Advanced battery management system with automatic re-charging function10) Special protection against AC/DC overload and short-circuit protection against inversion state with high reliability11) Display by LCDSpecifications:1) Models: DH-500A, DH-500B, DH-500CA, DH-500CB, DH-1000CA, DH-1000CB, DH-1000A, DH-1000B2) Max capacity: 500VA(300W), 425VA(250W), 1000VA(600W), 1200VA(720W)3) Rated capacity: 315VA(200W), 315VA(200W), 800VA(480W), 1000VA (600W)4) Input commercial power range: 145VAC-280VAC5) AVR range: 155VAC-275VAC6) Frequency: 45-65Hz automatic self-check7) Commercial power: Sine-wave8) Output inversion: Simulated sine-wave9) Frequency: Commercial power supply: Shared frequency with the commercial inversion state: 50Hz¡À0. 510) AVR: 220VAC¡À10% (auto-sensing)11) Transfer time: Typical: 10ms (including detection time)12) Spike protection: 320 joules, 2ms13) Filter: 10dB at 0. 15MHz, 50dB at30Hz14) Overload: UPS automatic shutdown if overload exceeds 110% of normal value for 30 seconds and 130% for 3 seconds15) Tel/Fax/Modem: RJ45/11jack (compatible with DH-500B/CB, DH1000B/CB)16) Short circuit: UPS output is cut off immediately or input circuit breaker protection17) Alarm:A) Battery back-up: Beeping sound every 4 seconds under input disconnectB) Battery low voltage: Beeping sound every 1 second when battery runs out18) Battery type: Sealed maintenance-free lead acid19) Capacity: (12V, 7Ah) *1, (12V, 5. 5Ah) *2, (12V, 5. 5Ah) *1, (12V, 7Ah) * 220) Recharge time: 8 hours to 90% of full capacity21) Battery protection: Automatic self-test, discharge protection and battery replace indicator22) Back-up time: Typical 10min (half), typical 8min (half)23) Communication interface: RS232(port)(B)24) Bi-directional communication port (compatible with DH-500B/CB, DH-1000/CB)25) We accept order with special specificationsInner packing:Dimensions (D*W*H): 320*90*150, 320*90*150, 320*90*220, 366*110*165mmN. W.: 6.6kg, 7.1kg, 10kg, 12.5kgG. W.: 5.5kg, 6.0kg, 10.5kg, 13kgOuter packing: 3, or 2pcs/ctnCarton dimensions (D*W*H): 413*383*425, 465*375*240, 465*375 *240mmWeight: 22kg, 18kg, 21kg, 26kg
