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The AIMS Power 1000 Watt Negative 48 Volt Rack Mount Pure Sine Inverter converts -48V DC battery power into 120V AC pure sine wave power for telecom, network and rack mounted equipment. It delivers 1000 watts continuous and 2000 watts surge from a 1U rack mount chassis, with a built-in 10A automatic transfer switch, two 3-prong outlets and an RS232 port for PC monitoring.
AIMS built this model for telecom networks, server racks and data center cabinets that run on a negative 48 VDC battery system. When utility power is present, the inverter passes it through to your equipment. If utility power fails, the transfer switch moves the load to battery power in under 20 milliseconds, so routers, hubs, computers and monitoring systems stay on.
A digital signal processor (DSP) generates a 120V AC pure sine wave at 60 Hz. AIMS lists total harmonic distortion of 1.2% at 1000W and an efficiency of 91%. That clean output suits the uses AIMS names for this inverter: telecom equipment, routers and hubs, computers and audio-video equipment.
The internal relay transfer switch is rated 10A. In bypass mode, utility (city) power feeds the outlets. When utility power fails, the inverter takes over from the -48V DC battery in under 20 milliseconds, then switches back to utility power automatically once it returns. AIMS lists switching times of 6 ms on and 16 to 19 ms off (±2.5 ms).
The inverter fits a single rack unit. It measures 16.5 x 14 x 1.7 inches (2 inches with bracket) and weighs 11.5 lbs, so it fits telecom racks and data center cabinets where space is tight. The front holds the power switch, status LEDs, display and cooling fans. The back holds the DC input, outlets, breakers, city power input and communication port.
A front panel LED display shows output voltage, output current, frequency and input voltage, and the UP and DOWN buttons step through them. The RS232 communication port lets you monitor DC input voltage, AC output voltage, AC current and frequency from a PC.
The inverter shuts down at low battery voltage (-40.2V, returning at -42.5V) and at high input voltage (-61.0V, returning at -59.0V). It also protects against output overload, output short circuit and over temperature, with a red LED and alarm to flag faults. A 10A breaker protects the AC output, and another 10A breaker protects the city power input.
The fans run automatically based on load and temperature and turn on at 104°F (40°C). If the inverter gets too hot, it shuts down and returns to operation at 136.4°F (58°C).
Surge rating is 2000 watts, twice the continuous rating. AIMS says the inverter can deliver that 200% surge for 500 milliseconds, which helps start devices with quick startup surges.
Telecom sites. Run 120V AC telecom equipment from the site's -48V DC battery system, with automatic transfer when utility power drops.
Network racks. Keep routers, hubs and monitoring systems powered through outages from a unit that takes only 1U of space.
Server racks and data centers. Back up computers and network hardware in a cabinet without giving up shelf space to a separate inverter.
Audio-video equipment. AIMS lists audio-video equipment among the uses for this inverter's pure sine output.
A modified sine inverter produces a stepped waveform that some sensitive electronics don't handle well. This model's DSP-generated pure sine output, with 1.2% THD at 1000W, is designed to support sensitive loads like telecom and computer equipment.
An inverter without a transfer switch runs its loads from the battery all the time, so you'd need a separate device to use utility power when it's available. This model passes utility power through and switches to battery in under 20 milliseconds on its own.
A shelf inverter takes up shelf space beside your equipment. This unit mounts in 1U of the rack, and its front panel display and RS232 port let you check it at a glance or from a PC.
This inverter is for negative 48 VDC (-48V) battery systems. Its operating range is 41 to 60 VDC negative, and AIMS says to match the battery voltage to the inverter input voltage before connecting. Keep continuous loads at or below 1000 watts. AIMS recommends keeping motor loads such as refrigerators and hand tools within 60% of maximum output, and running audio and video devices at 75% to 80% of listed capacity.
AIMS's minimum DC cable size for this 1000 watt model is 12 AWG, with a cable under 12 feet long. A longer run needs a larger gauge. Keep the AC output cord to 50 feet or less. Give the inverter plenty of ventilation, keep it out of direct sunlight and away from moisture and flammable materials, and don't install it in a sealed area.
It's built for negative 48 VDC battery systems, with an operating range of 41 to 60 VDC negative. Low battery shutdown is -40.2V and high input voltage shutdown is -61.0V.
No. AIMS notes that the AC terminal block is not included on the 1000 watt model. Loads plug into the two 3-prong 120V AC outlets, which are protected by a 10A breaker.
Yes. With the city power breaker off, the inverter runs in inverter-only mode and supplies AC power from the battery as long as the DC supply provides enough voltage.
AIMS lists a full 2-year warranty from the date of purchase for this inverter.
The AIMS Power 1000 Watt Negative 48 Volt Rack Mount Pure Sine Inverter puts 1000 watts of pure sine output, a 10A automatic transfer switch and RS232 monitoring into one rack unit. If you'd like help matching it to your -48V battery system or rack, the Outbound Power team is happy to help.
AIMS Power 1000 Watt Negative 48 Volt Rack Mount Pure Sine Inverter Specifications |
|
|---|---|
| Output | |
| Continuous Power | 1000 W |
| Surge Power | 2000 W (200% for 500 ms) |
| Output Voltage | 120 VAC |
| Output Waveform | Pure sine wave (DSP control) |
| Output Frequency | 60 Hz |
| THD | 1.2% at 1000W (60 Hz) |
| Efficiency | 91% |
| AC Outlets | 2 x 3-prong 120 VAC |
| AC Terminal Block | Not included on this model |
| AC Output Breaker | 10A |
| DC Input | |
| Input Voltage | Negative 48 VDC (-48V) |
| Operating Range | 41 to 60 VDC negative |
| Low Voltage Shutdown | -40.2 V |
| Low Voltage Return | -42.5 V |
| High Voltage Shutdown | -61.0 V |
| High Voltage Return | -59.0 V |
| No Load Current | 0.30 A fan off, 0.42 A fan on |
| Input Fuse | 30A (1) |
| Battery Terminal Size | 0.25 in |
| Minimum DC Cable Size | 12 AWG, under 12 ft |
| Transfer Switch | |
| Type | Automatic, internal relay |
| Rating | 10A |
| Transfer Time | Under 20 ms |
| Switching Time | On 6 ms, off 16 to 19 ms (±2.5 ms) |
| City Power Input | 120 VAC |
| City Power Input Breaker | 10A |
| Inverter-Only Mode | City power breaker off |
| Monitoring | |
| Communication Port | RS232 |
| Monitored Values | DC input voltage, AC output voltage, AC current, frequency |
| Front Display | Output voltage, output current, frequency, input voltage |
| Display Controls | UP and DOWN buttons |
| Status LEDs | Inverter on, overload protection, inverter, city power |
| Protection | |
| Protections | Low battery alarm and shutdown, high input voltage shutdown, output overload, output short circuit, over temperature |
| Over Temperature Return | 136.4°F (58°C) |
| Cooling | Automatic load and thermal based fans |
| Fan On Temperature | 104°F (40°C) |
| Physical | |
| Form Factor | 1U rack mount |
| Dimensions (W x D x H) | 16.5 x 14 x 1.7 in (2 in with bracket) |
| Unit Weight | 11.5 lbs |
| Shipping Weight | 14 lbs |
| Max AC Output Cord Length | 50 ft |
| Certifications and Warranty | |
| EMC | FCC Part 15 Subpart B, Class B |
| Certificates | KC EMC, CE EMC, RoHS |
| Warranty | 2 years from date of purchase |
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