UPS & Power Backup

NLS Power supplies online double conversion and modular UPS systems, battery banks, lithium batteries, static transfer switches and maintenance bypass panels for Saudi hospitals, data centres and industrial control loads, sized against real runtime and the ambient conditions of the room.

A UPS is bought for two different reasons that get confused. One is ride through: keeping the load alive during the seconds before a generator takes over. The other is power conditioning: protecting sensitive equipment from sags, surges, frequency variation and harmonic distortion that never register as an outage but shorten equipment life. Online double conversion covers both, which is why it dominates in hospital and data centre work.

Sizing is where offers diverge. Capacity in kVA is only part of it. Runtime is set by the battery, and the honest number depends on the load at the time of failure, the end of life capacity of the battery rather than the day one figure, and the room temperature. Batteries lose capacity and lifespan in heat, and a plant room in Saudi Arabia that drifts above design temperature will not deliver the runtime on the datasheet.

Battery choice follows from that. VRLA is cheaper to buy. Lithium costs more up front and wins on footprint, cycle life and tolerance of higher ambient temperatures, which changes the lifecycle comparison in this climate more than it would in Europe.

Modular systems suit facilities that will grow. Capacity is added as the load arrives instead of paying for the full build on day one, and a faulty module is swapped without dropping the load.

NLS Power supplies online and modular UPS, industrial UPS, VRLA and lithium battery banks, battery monitoring, static transfer switches, maintenance bypass panels, DC power systems and industrial inverters.

Related products

Online Double-Conversion UPS

An online double-conversion UPS rectifies incoming AC to DC and inverts it back to AC continuously, so the output is fully regenerated and isolated from input sags, surges, and frequency drift, with zero transfer time to battery. NLS sources double-conversion UPS units classified VFI under IEC 62040-3 for Saudi hospital essential branches and data centre loads.

Modular UPS Systems

A modular UPS builds capacity from hot-swappable power modules, typically 25-100kW blocks, inside one frame, so N+1 redundancy comes from adding one extra module rather than a second full UPS, and a failed module gets replaced live without dropping the load. NLS sources modular UPS platforms for Saudi data centre N+1 and phased-growth deployments.

Industrial UPS

An industrial UPS is a ruggedized double-conversion unit built for plant environments: wider input voltage tolerance, conformal-coated boards, and higher-rated enclosures for dust and humidity. It protects PLC, DCS, and instrumentation loads where a momentary outage can trip an entire production line. NLS sources industrial UPS units for Saudi process plant and industrial facility power backup.

UPS Battery Banks

A UPS battery bank is a string of VRLA batteries sized to the UPS DC bus voltage, rated for a defined design life at a 20-25°C reference temperature. Every 8-10°C above that reference roughly halves service life, so battery room cooling matters in Saudi ambient conditions. NLS sources VRLA battery strings sized to project autonomy requirements.

Lithium UPS Batteries

Lithium (LFP) UPS battery cabinets replace VRLA strings with roughly 60-70% less footprint and weight for the same runtime, wider ambient tolerance, and thousands more charge cycles over their service life. Each cabinet carries its own battery management system reporting cell health. NLS sources LFP battery cabinets built to IEC 62619 for Saudi hospital and data centre UPS installations.

Battery Monitoring Systems

A battery monitoring system tracks per-string or per-cell voltage, internal resistance, and temperature on a UPS battery bank, flagging a weakening cell before a runtime test would reveal it. This matters in Saudi battery rooms, where uneven heat exposure ages cells within the same string at different rates. NLS sources monitoring platforms for VRLA and lithium UPS banks.

Static Transfer Switches

A static transfer switch (STS) uses solid-state thyristors to move a load between two independent power sources, typically two separate UPS outputs in a 2N system, within a quarter cycle, fast enough that connected equipment never sees the transfer. NLS sources STS units classified under IEC 62310-3 for Saudi data centre 2N architectures and hospital essential branches.

UPS Maintenance Bypass Panels

A maintenance bypass panel lets a UPS be fully isolated for internal service, a battery swap, or a firmware update while the load keeps running through an alternate bypass path, with a make-before-break switching sequence that never drops the connected load. NLS sources bypass panels sized to the UPS and load schedule for Saudi hospital and data centre installations.

DC Power Systems

A DC power system pairs rectifier modules with a battery string to feed 24V, 48V, or 110/220V DC loads directly, telecom racks, SCADA panels, and substation switchgear tripping supplies, without an inverter stage. NLS sources DC power plants with N+1 rectifier redundancy for Saudi substation, telecom, and industrial control room installations.

Industrial Inverters

An industrial inverter converts DC to AC for sustained duty, motor drives, process control loads, and battery or solar-tied backup, as distinct from a UPS's short-duration ride-through role. NLS sources industrial inverters built to IEC 62109 or IEC 61800 series requirements depending on the application, as a supply capability across DC-to-AC conversion needs in Saudi industrial and infrastructure projects.

Frequently Asked Questions

How do I size a UPS for my load?+

Start from the actual connected load and its power factor, add growth allowance, then set runtime from what has to survive until the generator takes over or an orderly shutdown completes. Battery sizing should use end of life capacity and the real room temperature, not the datasheet ideal.

Are lithium batteries better than VRLA in Saudi Arabia?+

Often yes on lifecycle. Lithium handles higher ambient temperatures, takes less floor space and lasts more cycles, which offsets the higher purchase price, particularly in rooms that run warm.

What is a maintenance bypass panel for?+

It lets the UPS be isolated for service while the load keeps running on raw mains, so maintenance does not require a shutdown of the protected equipment.