Rackmount Inverter, 48V DC, 1200 Watts, model 48-1200RM by Newmar Powering the Network

1U, 1200 Watt Rackmount DC-AC Inverter Series

The 1U, 1200 watt, power inverter series provides seamless back-up power for AC powered communications equipment from the site’s 24 or 48V DC battery system. A fast-acting transfer switch ensures voice and data transmissions remain uninterrupted in the event of a power grid failure or if the site utility power is disconnected for maintenance and upgrade purposes. Built in a compact 1RU case for 19” rack installations.


  • Built-in 16A automatic transfer switch
  • On-Line and Off-Line modes
  • Load Safe algorithm
  • Flexible configurable parameters
  • Configurable via front panel, USB, or RS-232C
  • Ethernet webpage monitoring
  • SNMP Alarm Trap generation for NOC monitoringh
  • 19”, Rackmount, 1RU

Click Here For 1U, 2000W Rackmount Inverter

Specifications: Rackmount Inverter - 2000 Watts

Model DC Input AC Output
Voltage Volts Cont. Watts Surge Watts
24-1200RM 20 - 34 100-120V AC 1200 2000
48-1200RM 40 - 60 100-120V AC 1200 2000

AC Characteristics

Voltage: 100-120V AC (select via front panel DIP Switches); Factory set at 120V AC
Frequency: 45 - 65 Hz. (user selectable); Default: 60 Hz.
Wave Form: High Frequency Type; Pure Sine
Continuous Output Power: 1200W (protected by 15A AC input breaker)
Surge Power: 2000 watts (2 seconds)
Peak Efficiency:
24 Volt: >88%
48 Volt: >90%
Total Harmonic Distortion: THD <2%
Transfer Time: <8 ms

DC/AC Input:

24 Volt: 20 – 34V DC
48 Volt:
40 – 68V DC
No Load Current:

24 Volt: <0.6A
48 Volt:

Over Voltage Protection:
24 Volt: 25.0 to 35.0V DC; Default 34V DC
48 Volt:
50.0 to 62.0V DC; Default 60V DC

Under Voltage Protection:
24 Volt: 17.0 to 23.0V DC; Default 20.0V DC
48 Volt:
34.0 to 46.0V DC; Default 40.0V DC


Voltage: 100 – 120V AC (user selectable); Default: 120V AC
Max Output Power (3min): 1200W
Surge Power: 2000W (2 seconds)


LED: AC Grid, Bypass, Inverter, Bypass, Alarm
LCD: LCD w/ Function for navigation of selectable functions; AC Voltage, AC Current, AC Power, Frequency, and DC Input Voltage

Visual & Audio Alarms:

  • Fan fault
  • Over voltage
  • Under voltage
  • Overload
  • Over temperature
  • Short circuit

Communication Interface

RS-232 port and USB connector


Operating Temperature: -20° to 50° C
3 load / temperature controlled fans:
• Switch ON when output load is >300W and switch OFF when the load reduces to < 280W
• Switch ON when internal heat sink temperature is ≥ 50° C and switch OFF when temperature reduces to ≤ 45° C
1.75” H x 19” W x 15.4” D

Weight: 12.8 Lbs.