Walk into a typical server room and you'll find UPS units living a pampered life—filtered air, steady temperature, maybe even a dedicated AC unit just for them. That's not where the RS Series earns its keep. This thing is for the back rooms. The unventilated closet above the factory floor. The dusty warehouse office with a concrete floor and a forklift charging station next door. The outdoor telecom cabinet where the morning dew seeps in through the cable glands. In places like that, a standard office UPS might last a year before the boards corrode or the fan chokes on gunk. The RS Series is built to stay online through all of it.
·Double Conversion True Online UPS With Pure Sine-Wave Output
.Robust Design, Conformal Coating,Strong Anti-Corrosion Capability For Harsh Environment
. Extra Wide Input Voltage(90V-300Vac), Well Compatible With Gen-Set
·Input Power Factor Correction,Save Power, Wiring Expense For Use
.Strong Loading Capability, Work Well With Laser Printer, Ultrasonic Cleaner
.Compact Size,Win Valuable Space For User
·Open For Customization,Seamless Integrate With Automatic Control System
| Rack Mount Model | RS1K | RS1KL | RS2K | RS2KL | RS3K | RS3KL | RS6KL | RS10KL |
| Phase | Single phase (L/N+PE) | |||||||
| Capacity | 1KVA/900W | 2KVA/1.8KW | 3KVA/2.7KW | 6KVA/5.4KW | 10KVA/ 9KW | |||
| Input | ||||||||
| Nominal Input Voltage | 208/220/230/240Vac | |||||||
| Input VoltageRange | 90~300VAC±5VAC | |||||||
| Frequency | 50/60 Hz | |||||||
| Input Frequency Range | 40~70Hz | |||||||
| Input Power Factor | >0.99 | |||||||
| Bypass Voltage Range | 180~265VAC*(1±3%) | |||||||
| Output | ||||||||
| Output wiring system | Single phase (L/N+PE) | |||||||
| Output Voltage | 208/220/230/240Vac±2% | |||||||
| Output Voltage Regulation | 1% | |||||||
| Output Frequency | 50/60±4Hz (Sync mode); 50/60Hz±1% (Fix Freq. mode) | |||||||
| Overload Capability | 105~125%≥60s,126~150%≥30s The recover point is 70% | |||||||
| Output THDV% | THD<2% (linear load) ; THD<7% (nonlinear load) | |||||||
| Output Waveform | Pure Sine Wave | |||||||
| Transfer Time | ||||||||
| Line mode ← Bat Mode | Oms | |||||||
| Inv←Bypass Mode | <4ms | |||||||
| Efficiency | ||||||||
| Line Mode | 86% | 88% | 89% | 92% | 93% | |||
| Battery Mode | 85% | 86% | 87% | 92% | 93% | |||
| Battery & Charger | ||||||||
| Nominal Voltage | 24V | 24V/36V | 48V | 72V | 72V | 48V/96V | 192V/240V | |
| Battery Voltage / Capacity |
2*12V/7AH | External Battery |
4*12V/7AH | External Battery |
6*12V/7AH | External Battery |
External Battery | |
| Battery Type | Valve Regulated Maintenance Free Lead Acid (VRLA) for Standard Model with Internal Battery | |||||||
| Backup Time | Half loaded≥6minutes, Full loaded ≥2minutes(standard) | Dependent on the capacity of external batteries |
||||||
| Recharge Time | ~5 Hours | Subject to External Battery Config |
~5 Hours | Subject to External Battery Config |
~5 Hours | Subject to External Battery Config |
Subject to External Battery Config |
Subject to External Battery Config |
| Recharge Current | 1A | 4A | 1A | 4A | 1A | 4A | 4A | 4A |
| HMI | ||||||||
| Display | LCD | |||||||
| Buzzer Alarm | Bat.Mode / Bat.Low / OverLoad / Fault | |||||||
| Communication Port | Standard: RS232+EPO/ROO+USB PORT; RS485 Port, Dry contact, SNMP Card Slot (Option) | |||||||
| Alarm Function | AC / DC input under abnormal, overload condition and Inverter problems | |||||||
| Protection Function | AC input or output above or below the range of voltage, overload, over temperature and short circuit protection | |||||||
| Physical | ||||||||
| Machine Size-W*D*H(mm) | 440*400*88 | 440*400*88 | 440*500*88 | 440*500*88 | 440*500*88 | |||
| Package Size-W*D*H(mm) | 495*540*195 | 495*540*195 | 540*610*195 | 540*610*195 | 540*610*195 | |||
| Net Weight(KG) | 10.3 | 6.7 | 15.3 | 7.3 | 19.8 | 8.7 | 10.8 | 12.6 |
| Gross Weight(KG) | 11.7 | 8.2 | 16.6 | 8.6 | 21.6 | 10 | 12.6 | 14.3 |
| Environment | ||||||||
| Humidity | 5~97% (Non Condensing) | |||||||
| Operating Ambient Temperature |
0~40℃ | |||||||
| Audible Noise | <50dB | <55dB | ||||||
| *External Battery Pack Rated Voltage Can Select Upon Order, 192 / 240V | ||||||||
| *Product Specifications are Subject to Change Without Notice. | ||||||||
True Online Double Conversion—No Corners Cut
First, the part that matters most: this is a genuine high frequency online UPS. That means double conversion, all the time. The inverter never rests. Incoming AC gets rectified to DC, filtered clean, and then rebuilt into a brand-new pure sine wave. Your equipment runs on regenerated power every second. When the grid fails, there's no transfer time—the battery simply feeds the DC bus and the output doesn't flinch. Not a millisecond. For sensitive gear like servers, network switches, or industrial controllers that log every power wobble, this is the baseline you want.
Conformal Coating: The Unseen Shield
Most UPS circuit boards are naked—exposed copper traces and solder joints sitting in whatever air the fan pulls through. In a humid coastal site or a dusty grain handling facility, that's a recipe for slow corrosion or conductive dust bridging traces and causing phantom faults. The RS Series boards get a conformal coating—a thin, transparent layer that seals out moisture, dust, and mild chemical nasties. It's the same kind of protection you find in military electronics and outdoor-rated gear. If you've ever had a UPS mysteriously die after two summers of humidity, this is the fix.
Wide Input Window That Saves the Battery
The input voltage range is 90V to 300V, and the frequency tolerance runs 40 to 70Hz. That's wide enough that the UPS doesn't panic every time the grid sags when the big air compressor kicks on. It stays on utility power through deep brownouts and moderate swells, only switching to battery when the voltage genuinely goes out of bounds. That keeps the battery fully charged for real blackouts and extends its working life—fewer unnecessary cycles, less wear. And because the range is generous, the RS Series is naturally generator compatible. A backup genset with sloppy voltage and frequency regulation won't cause the UPS to bounce between battery and bypass. It syncs, it accepts, and it delivers clean output while the generator does its thing.
Input Power Factor Correction: Easier on the Wiring
Active input power factor correction pushes the input power factor above 0.99. In plain English, the UPS draws current cleanly and in phase with the voltage. That reduces the reactive current bouncing around your wiring, cuts down on I²R losses, and puts less heat stress on upstream breakers and transformers. If you're running a long cable run from the panel to a remote UPS location, that efficiency gain is noticeable. You might even skip the cost of upsizing the feeder cable.
Handles the Loads That Trip Cheaper Units
Not every load is a well-behaved server power supply. Laser printers pull sharp current spikes when the fuser heater cycles on—enough to make a weak inverter distort its output or trip entirely. Ultrasonic cleaners draw a non-linear waveform that looks nothing like a clean sine wave. The RS Series inverter is designed with enough headroom to handle these tough non-linear loads without faulting or dropping to bypass. So if your rack also serves a couple of office printers or your workbench runs a cleaner alongside the test computer, this unit won't complain.
Compact Chassis, Open to Your System
Despite the rugged build, the RS Series keeps a compact footprint. It doesn't sprawl across the floor or eat up half a rack. In a cramped utility closet, that's the difference between fitting everything and having to find a new plan. And if you need the UPS to talk to a building management system, an industrial PLC, or a custom supervisory platform, the control architecture is open to customization. No sealed black box, no locked-down firmware that refuses to cooperate.
Where the RS Series Lives
This is your unit if the environment is rough, the grid is unreliable but not catastrophic, and you don't need lithium batteries. Voltage rarely dips below 90V? You're good. The room isn't climate-controlled? The conformal coating has your back. You need to power a mix of IT gear and small machinery? The inverter handles it. It's a straight-talking, heavy-duty online UPS for the spaces that don't make the brochure photos.
No unnecessary features, no fragile office-grade internals. Just a machine that shows up, takes whatever power you feed it, and keeps your load running until the grid decides to behave.