DC-AC Inverter, Rack Mount, 48V DC to 115V AC, 2000 watts,1RU, model 48-1U-2000RM,for telecom, broadband, public safety applications by Newmar Powering the Network

2000 Watt Rackmount DC-AC Inverter

This power inverter provides seamless back-up power for AC powered communications equipment from the site’s 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.


  • Pure sine wave AC output powers telecom equipment without performance degradation
  • 2000 watts surge, 1700 watts/2 KVA continuous
  • Easily cascaded for N+1 redundancy, providing maximum reliability required by data centers
  • Low EMI and RFI interference characteristics
  • High effi ciency: 90% (Full linear load at 120 VAC Output)
  • Two NEMA 5-20R AC receptacles provided
  • Utility bypass, with fast load transfer switch, <6mS
  • Numerous circuit and load protections: over- temp, overload, reverse polarity, high/low battery voltage, AC input breaker
  • Load & temperature controlled cooling fan
  • Form C alarm contacts for monitoring abnormal conditions
  • All diagnostic Operation Controlled by a microprocessor
  • User-friendly Status and Diagnostic LED displays
  • Remote Power Management optional via remote control relay RS-232 port
  • Inverter/UPS mode selector switch
  • 19”, Rackmount, 1RU

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Specifications: Rackmount Inverter – 2000 Watts

Model DC Input AC Output
Voltage Amps Volts Surge Watts Cont. Watts Cont. KVA
48-1U-2000RM 42 – 62 50 100-120 VAC 2000 1700 2 KVA

AC Characteristics

Voltage: 100-120 VAC (select via front panel DIP Switches); Factory set at 120 VAC
Frequency: 60 Hz. Standard, 50 Hz. User selectable
Wave Form: Pure Sine
Continuous Output Power: 1700W/2 KVA
Surge Power: 1870W (3 sec.), 2040W (3 sec.)
Peak: 6,000W (<1 sec.)
Total Harmonic Distortion: THD <3%
Transfer Time: <6 ms


Voltage: 42-62
No Load Current:
Over Voltage Protection: 62 VDC
Under Voltage Protection: 42 VDC
Efficiency: 90% ( Full Load)


Voltage: 120 VAC
Max Output Power (3min): 3200W
Surge Power: 3500W (3 sec.)
Peak: 6,000W (<1 sec.)


LED: AC Input, Bypass, VAC, Amp, Watt, VDC, Temp, Hz.
LCD: LCD w/ Function for navigation of selectable Functions; Output Voltage, Amperage, Watts, VDC In, Temperature, Frequency

Operating Temperature: -20° to 60° C Full Load
Cooling: Forced air, front-to-back

Visual & Audio Alarms:

  • Form C (Dry Contact) terminals: DC Fail & AC Input Fail
  • Overload / Short Circuit Alarm
  • Input Under Voltage/Over Voltage
  • Over Temperature

Communication Interface

RS-232 port with user selectable baud rate, Remote control of inverter (on/off)Mechanical

Dimensions: 1.75” H x 17.52” Wx 16.7” D
Weight: 19 Lbs.