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Introduction
DJN series are applicable to telecom systems with 48Vdc power supply, adopting high efficiency SPWM inversion technology. Main machine can take the AC/DC power supply from Power room directly. With the aid of professional noise reduction measures, DJN series can be connected to tele-printer, telegraph terminal, wireless paging equipment, data switching exchange, local exchange, microwave communication equipment, program controlled exchange charging system, fax machine and all kinds of AC instrument, computer equipment and various communication equipment. There are rack and tower type for options.
Main Features:
Compliant with communication standard of AC and DC power supply system High performance SPWM inversion technology Wholesome protective measures Low DC end current noise
Model | DJN1000-J | DJN2000-J | DJN3000-J | |
INPUT | Voltage (Vdc) | 40-57 | ||
Rated Current | 20 | 40 | 60 | |
OUTPUT | Capacity (VA/W) | 1000/700 | 2000/1400 | 3000/2100 |
Voltage (Vac) | 220, 230± 2% | |||
Waveform | Sine wave, THD< 3% | |||
Frequency (Hz) | 50± 0.5% | |||
OTHER | Panel Display | LED indicators show status of UPS’ operation | ||
Protection | Protection for battery low voltage, over voltage, overload, short-circuit and over temperature, utility bypass. | |||
Communication Interface | RS232 and dry contactor(common one port only) | |||
Dimension (WxDxH) (mm) | 430´ 465´ 2U | |||
Weight (kg) | 10 | 11 | 12 | |
Inverter for Telecom (1-3KVA)