A48/15 rectifier individually delivers output power 825 watts or 48V/15A to telecommunication equipment, such as mobile communication system, etc. The rectifier applies advance theory of full-wave bridge rectifier, pulse width modulation(PWM) technology and power factor compensation technology. The rectifier also guarantees reduction of energy dissipation, the power factor 0.99 or above, the efficiency up to 91% and operating frequency at 50KHz.
Application:
1. Telephone exchange PBX, PABX.
2. Mobile communicatoin system.
3. Digital fiber optics transmission system.
4. Digital loop carrier.
5. Microwave communications.
6. Other- 48Vdc power critical.
1. AC input:
(1) Nominal voltage: 110/220 Vac.
(2) Operating voltage range: 90.270Vac (1P2W+G).
(3) Current: 11A (MAX.).
(4) Frequency: 47.63Hz.
(5) Power factor: ≧0.99 at 60% load (110Vac) ; ≧0.99 at 60% load (220Vac).
(6) Efficiency: ≧88% at 60% load (110Vac) ; ≧91% at 60% load (220Vac).
(7) EMI: EN50081-1、EN50081-2 & EN50082-1.
2. DC output:
(1) Voltage: -54Vdc (nominal) ; FL/EQ 44V.62V (adjustable) ; 42V~60V(option).
(2) Current: 0~15A ; 0~13A (at low voltage).
(3) Power: 825Watts (max.).
(4) Voltage regulation: ≦±1%.
(5) Current share: <±3%.
(6) Soft start: ≧3 sec.
(7) Dynamic transient response: MAX≦5%,1ms recovery <1%.
(8) Static response: ≦±0.2%.
(9) Psophomatrics: ≦2mV.
(10) Audio noise: ≦32dBrnc (≦24dBrnc with battery).
(11) Wide band noise: ≦10mVrms (10k~100MHz).
(12) Audible: ≦55 dBa.
3. Environmental:
(1) Temperature: -5℃~50℃.
(2) Humidity: up to 90% RH (non condensing).
(3) Cooling: internal fan with thermal control.
4. Mechanical:
(1) Dimension: 80W x 128H x 250D mm.
(2) Weight: 2.5 Kg.