Delivery Time:within 3 days after the payment confirmed
Certification:CE

High Voltage 220V, 85 - 300Vac, 45  - 65Hz Emerson Telecom Power Supplies,  R48-1800A


R48-1800A system features

The rectifier module uses active power factor compensation technology, power factor value of 0.99.
  Wide AC input voltage of the normal operating range to 85V ~~ 300V.

  The rectifier module the comprehensive soft switch technology, rated up to 91% efficiency. The system efficiency up to 88%. Rectifier module ultra low radiation. Rectifier module is able to meet the advanced EMC design, CE, NEBS, YD/T983 domestic and international standard requirements. The rectifier conduction and radiation can reach Classl B requirements.

  Rectifier module safety design meets UL, CE, NEBS standards.

  Rectifier module hot swap technology, plug-and-play with no damage, replacement time less than 1min.

  Rectifier module output overvoltage hardware protection and output overvoltage software protection. Software overvoltage protection, there are two options: one-off pressure lock mode, secondary overvoltage locked mode.

  Perfect battery management. Low battery voltage protection function and load power to achieve temperature compensation, automatic voltage regulator, stepless current limit, the battery capacity is calculated online battery test function.

  Historical alarm records can record 200; 10 group battery test data can be recorded.

  Network design, multiple communication interface provides one RS232 interface, Modem, dry contact, flexible networking, remote monitoring, unattended.

 

Model Number	R48-1800A
Manufacturer	Emerson
Environmental conditions	Operating temperature -5 ~ 40 ℃
Storage temperature	-40 ~ 70 ℃
Relative Humidity	5 ~ 95% RH
Altitude	≤ 2000m (more than derating)
Rated input voltage	220V
Input voltage range	85 ~ 300Vac
AC input voltage frequency	45 ~ 65Hz
Maximum input current	≤ 40A (170V input)
Power Factor	≥ 0.99
DC output voltage of the DC output	42.2 ~ 57.6Vdc
Output DC current	0 ~ 300A
regulation accuracy	≤ 1%
efficiency	≥ 88%
The peak-to-peak noise voltage	≤ 200mV (0 ~ 20MHz)
Tel Weighted noise voltage	≤ 2mV (300 ~ 3400Hz)
Broadband noise voltage	≤ 100mV (3.4kHz ~ 150kHz); ≤ 30mV (150 kHz ~ 30MHz)
Discrete noise	≤ 5mV (3.4kHz ~ 150kHz); ≤ 3mV (150kHz ~ 200kHz);  ≤ 2mV (200 kHz ~ 500kHz); ≤ 1mV (0.5MHz ~ 30MHz)
Dimensions	87.9mm (high) x 85.3mm (width) × 272mm (D)