Aims Power 3000 Watt Pure Sine Power Inverter NEGATIVE 48 Volt Rack Mount Inverter To 120 Volt AC – 2U (-48V) - PRM3KWN48120S

Aims Power 3000 Watt Pure Sine Power Inverter NEGATIVE 48 Volt Rack Mount Inverter To 120 Volt AC – 2U (-48V) - PRM3KWN48120S

Ensure uninterrupted power with our advanced NEGATIVE 48V, 2U rackmount inverter, designed for telecom and data centers. Ideal for providing backup power to your essential equipment, this inverter generates 3000W of high-quality pure sine power at a stable 120Vac output. Thanks to the built-in 40 Amp transfer switch with a typical transfer time of less than 20ms, power is maintained seamlessly to your equipment. When city/utility power is available, it bypasses to provide consistent power. During outages, the inverter automatically switches to the backup DC power source, supplying power as long as the DC power supply provides enough voltage.

Monitoring is a breeze with the RS485 communication port, which offers real-time insights into DC input voltage, AC output voltage, frequency, and amps. Unmatched reliability, effortless integration, and consistent power supply ensure our rackmount inverter is the perfect solution for any setting where uninterrupted power is essential.

Features

• 3000W continuous power, NEGATIVE 48 volt to 120 volt
• Pure sine wave
• 2U Rackmount
• FCC Class B
• RS485 Communication Port – Monitored from a PC
• Input dc voltage
• Output ac voltage
• Frequency
• AC Current
• Digital status display – Toggle
• Input dc voltage
• Output ac voltage
• Frequency
• AC current
• Dual AC receptacle
• On/off switch
• Utility power bypass
• Automatic transfer switch
• Over temperature indicator
• Overload protection
• Low battery voltage warning/shutdown
• High input voltage protection with automatic shutdown
• Overload indicator
• Short circuit protection
• Thermal and load based fan
• AC output short circuit protection
• Instruction manual
• Free lifetime tech support
  

Specifications

• Continuous output power: 3000 Watts
• Surge power capability (peak power): 6000 Watts
• DC input / operating voltage: Negative 41.0 to 60.0 Volts
• Output voltage: 120 Volts ac
• Output wave form: pure sine wave
• Output frequency: 60 Hz
• Low battery voltage shutdown: 40.6 Volts
• Low battery voltage recovery: 42.7 Volts
• Low battery voltage warning/shutdown
• No load power consumption: Fan Off 0.27A dc – Fan On 0.32A dc
• Frequency: 60hz
• Efficiency: 91%
• Over temperature protection low: -4 F ± 5  F
• Over temperature protection high: 172 F ± 5  F
• Operating temperature recovery: 136  F (automatic shutdown) ± 5  F
• AC output socket type: dual Type 2 -3 prong
• RS485 Communication Port
• AC output and bypass protected: 30A Breaker
• FCC Class B – F690501/RF-EMC000377(H)
• Unit Weight: 26.5 lbs shipped 33 lbs
• Unit Size W x D x H: 16.5 x 21 x 3.5 inches
• Battery terminal size: Blade style .25″ diameter

What our Experts Think    

• Rack-mount 2U design for professional installations delivers clean integration into telecom, data, and industrial power systems.
• 3000W pure sine wave output (120V AC) provides stable, utility-grade power for sensitive and mission-critical equipment.
• -48V DC input compatibility is ideal for telecom battery plants and large-scale DC power infrastructure.
• High-efficiency power conversion helps reduce energy loss and heat generation in continuous-duty applications.
• Pure sine wave performance ensures safe operation for networking gear, servers, control systems, and electronics.
• Designed for continuous industrial operation with robust internal components built for 24/7 uptime environments.
• Reliable backup power solution for telecom racks, server rooms, and mission-critical communication systems.
• Ideal for professional DC power ecosystems requiring standardized rack-mounted, high-reliability inverter integration.

               
Q&A            

Q: What is the AIMS Power PRM3KWN48120S used for?
A: AIMS Power 3000 Watt Pure Sine Power Inverter Negative 48 Volt Rack Mount Inverter to 120V AC – 2U (-48V) is a telecom-grade rack mount inverter designed to provide clean 120V AC power from a -48V DC battery or power plant system for critical backup applications.

Q: What makes this a “negative 48V” inverter?
A: It is designed for -48V DC telecom power systems, commonly used in data centers and communication infrastructure, where the battery bank is grounded on the positive side and operates at -48V nominal.

Q: What is the power output of this inverter?
A: It delivers 3000W continuous pure sine wave output at 120V AC, with surge capability (typically up to around 6000W) for short-term load spikes.

Q: What applications is this inverter designed for?
A: It is built for telecom racks, server rooms, network equipment, data centers, and industrial backup systems requiring uninterrupted, stable AC power.

Q: Does it include automatic transfer switching?
A: Yes. It includes an integrated automatic transfer switch that can switch between utility AC input and DC battery backup in milliseconds to prevent downtime.

Q: Why is a rack mount design important?
A: The 2U rack form factor allows it to be installed in standard 19-inch server racks for organized, scalable deployment in professional power systems.

Q: What type of power does it produce?
A: It produces pure sine wave output, ensuring compatibility with sensitive IT and telecom equipment and reducing electrical noise or instability.

Q: What protection features are included?
A: It includes overload, short circuit, over-temperature, low battery, and high voltage protection to ensure safe continuous operation in critical environments.

Q: What makes this inverter industrial/telecom grade?
A: Its -48V DC compatibility, rack-mounted design, fast transfer switching, and continuous-duty 3000W output make it suitable for mission-critical infrastructure where uptime is essential.

       
Maintenance Tips    

• Install in a proper telecom rack or ventilated electrical cabinet with continuous airflow; this unit is designed for data center/telecom environments.
• Keep front and rear cooling fans, air inlets, and exhaust paths dust-free; forced-air cooling is essential for 3kW continuous load stability.
• Regularly inspect -48V DC input feeds, bus bars, and rack distribution wiring for tightness, oxidation, and heat discoloration due to high current draw.
• Ensure proper negative 48V telecom grounding and polarity integrity; incorrect polarity or floating return can damage internal power stages.
• Use correctly rated telecom-grade DC breakers and fusing (near battery plant) to protect against fault currents at -48V systems.
• Monitor the built-in LCD/RS485 telemetry (DC voltage, AC output, load, temperature, alarms) to detect early degradation or overload conditions.
• Avoid exceeding 3000W continuous / ~6000W surge to protect inverter transformer and switching components.
• Periodically check transfer/bypass operation (~20 ms switch time) to ensure seamless backup power behavior during utility failure.
• Re-torque all DC and AC terminal connections during scheduled maintenance (thermal cycling in telecom racks can loosen lugs).
• Keep ambient temperature within manufacturer operating limits (-4°F to 172°F peak range noted for protection thresholds) and avoid hot rack stacking.
• Clean dust filters and perform fan health checks every 3–6 months in high-density rack environments.