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Brand: APC
APC SY128K160H Symmetra PX 128kW Scalable to 160kW UPS
Description
Overview
The APC SY128K160H is a Symmetra PX modular, scalable three-phase online UPS delivered as a 128kW frame that can be expanded to 160kW / 160kVA of protected capacity, engineered for data centers and large industrial facilities that need concurrently maintainable, N+1 redundant power protection at 400/415V.Seven Star LLC supplies this item on request with the manufacturer documentation, and availability and lead time are confirmed at quotation. Facility engineers and data center operators specify this UPS when a critical three-phase load needs scalable, modular online protection that can grow in capacity over time without a full UPS replacement as the facility expands.
The Symmetra PX platform that the APC SY128K160H belongs to was engineered by Schneider Electric around hot-swappable power modules, allowing capacity and redundancy to be added or serviced without powering down the protected load. This modular architecture is a major reason the APC SY128K160H is specified for mission-critical facilities across the GCC where downtime for maintenance is simply not an acceptable option.
Measurement and Working Principle
The APC SY128K160H uses double-conversion online topology at the three-phase level, continuously rectifying incoming AC to DC and reinverting it to a regulated AC output so the protected load never experiences a transfer event during a utility disturbance. Because the APC SY128K160H is built from independent, hot-swappable power modules working in parallel, the loss or removal of any single module for maintenance does not interrupt protection to the connected load, provided the frame is configured with adequate redundancy. The unit’s integrated Network Management Card and system display continuously report module health, battery status, and load distribution, giving facility operators real-time visibility into a UPS system that may be protecting an entire data hall.
Engineering Design of the APC SY128K160H
Housed in a large-format frame measuring 1800mm W x 1070mm D x 1991mm H and weighing approximately 2518kg fully configured, the APC SY128K160H delivers a hard-wired 380/400/415V three-phase output through a 5-wire connection (three phases, neutral, and ground) sized for serious industrial and data center power distribution. The APC SY128K160H uses VRLA battery modules with a recharge time of approximately 3.5 hours and supports Emergency Power Off (EPO) circuitry for facility-wide safety compliance. Communications run through dual SmartSlot bays paired with a Network Management Card, and the unit is rated for operation across a 0-40°C temperature range and 0-95% relative humidity, with a noise level of approximately 63dB under normal operation. Its modular design allows additional power modules to be added within the same frame as load requirements grow, scaling protected capacity up to the full 160kW rating without replacing the installed base frame.
Key Features
- The APC SY128K160H scales from 128kW to 160kW within the same frame using hot-swappable power modules.
- The APC SY128K160H supports concurrent maintenance, allowing module service without interrupting protected load power.
- The APC SY128K160H delivers hard-wired 400/415V three-phase output suited to serious industrial power distribution.
- The APC SY128K160H includes Emergency Power Off circuitry and dual SmartSlot communication bays.
- This Symmetra PX frame operates reliably across a wide 0-40°C temperature and 0-95% humidity range.
Industrial Applications
The SY128K160H is commonly specified to protect data hall power distribution, colocation infrastructure and large industrial control systems in Oman’s growing data center and process industries. In heavy industrial settings it backs up central control rooms, large SCADA and DCS server farms and critical process automation infrastructure where a facility-wide outage would have serious operational or safety consequences. Because the system supports concurrent maintenance, it suits 24/7 operations in the GCC oil and gas, petrochemical and utility sectors, where scheduled downtime for UPS servicing is difficult to arrange around continuous production.
System integrators and consulting engineers across Muscat and the wider GCC also specify the APC SY128K160H for new-build data centers where the capital project needs to start with a lower initial power module count and grow toward the full 160kW rating in phases as tenant or facility load increases over several years.
Because the APC SY128K160H is a hard-wired, professionally installed three-phase system, Seven Star LLC works alongside consulting engineers and electrical contractors from the specification stage through commissioning, ensuring the frame configuration, battery runtime, and redundancy level are correctly matched to the facility’s actual critical load before installation begins.
Technical Specifications
| Model | APC SY128K160H |
|---|---|
| Rated Capacity | 128 kW scalable to 160 kW / 160 kVA |
| Topology | Modular three-phase double conversion online |
| Output Voltage | 380/400/415V, hard-wired 5-wire (3-phase + N + E) |
| Battery Type | VRLA |
| Recharge Time | Approx. 3.5 hours |
| Communications | 2 x SmartSlot with Network Management Card |
| Dimensions (W x D x H) | 1800 x 1070 x 1991 mm |
| Net Weight | 2518 kg |
| Operating Temperature | 0 to 40 °C |
| Safety | Emergency Power Off (EPO) |
Request a Quote for APC SY128K160H Symmetra PX 128kW Scalable to 160kW UPS
Contact Seven Star LLC today for a detailed technical consultation on sizing the APC SY128K160H to your data center, control room, or critical facility power protection requirements.
Browse the full APC range or see more UPS and Batteries products supplied by Seven Star LLC in Oman and the GCC.
APC SY128K160H Installation and Maintenance Notes
A three-phase UPS of this size needs careful site planning: a level floor able to carry the weight of the frame and battery cabinets, enough clearance for front access and airflow, and an air-conditioned room that keeps the batteries close to their recommended temperature, because high temperatures shorten the life of valve-regulated lead-acid batteries considerably. Upstream and downstream protective devices and cable sizes must follow the installation manual and local regulations. Regular maintenance usually includes checking alarm logs, inspecting fans and filters, testing batteries and verifying that redundancy is still available after any module change.
Seven Star LLC supplies APC Symmetra PX systems across Oman and the GCC; request a quote and our team can help confirm the correct configuration and ordering code.
APC SY128K160H key ratings from the manufacturer data
The table below lists the main values that Schneider Electric publishes for the APC SY128K160H. Use it to check the model against your load, rack or room before you request a quotation.
| UPS topology | Double conversion online |
| Maximum output (VA) | 160000 VA |
| Maximum output (W) | 160000 W |
| Battery voltage | +/- 192 V (split battery referenced to neutral) |
| Battery type | Lead-acid internal included, Lead-acid internal |
| Number of battery cartridges | 4 |
| Typical recharge time | 3.5 h |
| Efficiency | 95 % (full load), 95 % (half load), 94 % (in battery operation) |
| Control panel | Multifunction LCD status and control console |
| Height | 199.1 cm |
| Width | 180 cm |
| Depth | 107 cm |
| Operating temperature | 0 to 40 °C |
Battery replacement and runtime for the APC SY128K160H
Schneider Electric gives an expected battery life of 3 to 5 years for this model, and a typical recharge time of 3.5 hours after a discharge. Temperature has the largest effect on that figure: as a rule of thumb, the life of a sealed lead-acid battery roughly halves for every 10 °C above 25 °C. In Oman, a UPS in an air-conditioned room held at 20 to 25 °C will need far fewer battery replacements than one in a hot plant room or a site cabin. Runtime can be extended with external battery packs from the matching APC range; send us the runtime you need at your actual load and we will confirm the pack model and quantity.
Looking after several APC units? Our APC UPS replacement battery finder lists the official cartridge and quantity for more than 340 APC models.
Ordering the APC SY128K160H for sites in Oman
To quote the SY128K160H quickly and correctly, please include:
- The connected load in watts and VA, with some margin below the 160000 VA / 160000 W rating
- The runtime you need at that load, so the battery configuration can be checked
- Input and output connections and the number of outlets required at the site
- Monitoring needs: USB, a network management card or integration with a BMS or SCADA system
- Where the UPS will be installed and the room temperature (the manufacturer operating range is 0 to 40 °C)
- Whether a spare replacement battery cartridge should be supplied with the unit
Send these details with the Request for Quotation button on this page. Seven Star LLC supplies APC by Schneider Electric equipment as an independent supplier and delivers across Oman, with shipment to other GCC countries on request.
More APC SY models in our catalogue: APC SY16K3I, APC SY16K3IBX120 and APC SY16KIBX120.
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About brand
APC is Schneider Electric's brand for uninterruptible power supplies, power distribution units, cooling and racks for IT and control systems. American Power Conversion was founded in 1981 by three engineers from MIT's Lincoln Laboratory and grew into one of the largest UPS makers in the world. Schneider Electric completed its acquisition of APC on 14 February 2007, combined it with MGE UPS Systems, and since 2011 APC has been a product brand of Schneider Electric.
Seven Star LLC lists APC uninterruptible power supplies from desktop Back-UPS units to modular Symmetra systems, together with battery packs and network cards, and sources them for sites in Oman.
APC company profile
Founded1981, USA, as American Power ConversionFoundersThree engineers from MIT Lincoln LaboratoryOwnershipSchneider Electric since 14 February 2007; an APC by Schneider Electric product brand since 2011Product familiesBack-UPS, Easy UPS, Smart-UPS line-interactive, Smart-UPS On-Line SRT and SRV, Galaxy three-phase UPS, rack PDUs, NetShelter racks, network management cards and EcoStruxure IT software
Milestones
1981: American Power Conversion is founded by three MIT Lincoln Laboratory engineers.2006: Schneider Electric announces the acquisition of APC on 30 October.2007: The acquisition is completed on 14 February; APC is combined with MGE UPS Systems.2011: APC becomes a product brand within Schneider Electric.
APC UPS families on this page
APC names its UPS lines by topology and size:
Back-UPS and Back-UPS Pro: line-interactive units for workstations and small loads, such as BX1600MI-MS and BR1600MISmart-UPS: line-interactive models with sine wave output, including SMT750I, SMC1000IC and the Smart-UPS X SMX3000HV with its SMX120BP external battery packSmart-UPS SRT and Smart-UPS RT: online double-conversion units, for example SRT2200XLI, SRT3000XLI, SRT5KRMXLI and SURT8000XLIEasy UPS Online: SRV2KILSymmetra LX and Symmetra PX: modular, scalable systems for larger loads
The AP9641 Network Management Card 3 adds remote monitoring to UPS models with a SmartSlot.
Where APC UPS systems are used
In industrial plants across the GCC, APC UPS units back up DCS and PLC cabinets, operator stations, SCADA servers, telecom racks, fire and gas panels and analyzer shelters. Online double-conversion models are normally chosen for control systems because the load is always fed through the inverter. Line-interactive units suit office IT and less critical loads.
APC products we list
FamilyExamplesUPS and BatteriesAP9641 Network Management Card 3, BR1600MI Back-UPS Pro 1600VA/960W, BX1600MI-MS Back-UPS 1600VA Tower UPS, SMC1000IC Line-Interactive UPS 1000VA 600W, SMC1500I Smart-UPS C 1500VA/900W, SMT750I Smart-UPS 750VA/500W Line-Interactive, SMX120BP Smart-UPS X 120V External Battery, SMX1500RMI2U Smart-UPS X 1500VA Rack/Tower and 9 more
Ordering APC UPS units and parts: what we need
Send the full SKU, for example SRT3000XLI, and not only the VA rating. The letters carry meaning: an I in the suffix marks a 230 V international model, XL an extended-run version that accepts external battery packs, and RM a rack-mount form. For a new requirement, give load in watts, input and output voltage, required runtime, tower or rack format, and the plug or hardwire arrangement. For batteries, send the UPS SKU and serial number so the correct replacement battery cartridge can be found in APC documentation.
Replacement batteries, battery packs and spares
Most APC service work is battery work. APC Replacement Battery Cartridges, sold under RBC and APCRBC numbers, are sets of sealed valve-regulated lead-acid blocks that arrive pre-wired with the connectors for the UPS models they are listed for, so a weak battery can be changed as one unit and, on hot-swap models, without switching the load off. Some newer cartridges carry an -LI suffix for lithium-ion versions. External battery packs extend runtime on XL and SRT models, and are chained to the UPS through the battery connector on the rear panel. To find the right cartridge, send the UPS SKU and serial number; the same UPS can use different cartridges across hardware revisions.
Modular and three-phase APC systems
Symmetra LX and Symmetra RM: single-phase modular UPS frames with hot-swappable power modules, battery modules and intelligence modules, so a failed module can be exchanged while the load stays on protected power.Symmetra PX: three-phase modular UPS for data rooms, built from power modules with N+1 redundancy and battery modules for runtime.Smart-UPS VT: three-phase double-conversion UPS for small data rooms and technical buildings.Silcon: large three-phase UPS based on delta conversion, still running in many plants and data centres; spare part kits are listed in levels (SPL1 to SPL4) so sites can hold the parts that match their service plan.Easy UPS On-Line (SRV): cost-focused double-conversion units, many with external battery pack support.
APC UPS in Oman and GCC conditions
Oman supplies 240 V single-phase and 415 V three-phase at 50 Hz, so international models with an I suffix (230 V nominal, adjustable to 240 V on most Smart-UPS units) are the usual choice. Heat is the main enemy: most APC UPS units are rated for operation up to 40 °C, while summer shade temperatures in Muscat and the interior pass 45 °C, and a lead-acid battery loses roughly half its service life for every 10 °C above 25 °C. Install UPS and batteries in a cooled room, keep filters clean in dusty inland sites, and size the standby generator with margin for UPS input and battery charging current.
All APC UPS systems, batteries and accessories on this site are grouped under UPS and Batteries, and the wider Schneider Electric range can be quoted together with them.
Facts checked against APC by Schneider Electric's published history, October 2026.
Browse APC products by category: UPS and Batteries.
Need a replacement battery for an APC UPS you already run? Use our APC UPS replacement battery finder to match the model to its official RBC cartridge.
FAQ
Questions about the APC SY128K160H Symmetra PX 128kW Scalable to 160kW
Answers from our engineering team on installation, compatibility and integration.
01What is the rated capacity of the APC SY128K160H?
The APC SY128K160H is a 128kW frame scalable to 160kW / 160kVA of protected capacity.
02Can the APC SY128K160H be serviced without powering down the load?
Yes, the APC SY128K160H supports concurrent maintenance through hot-swappable power modules, provided the frame has adequate redundancy.
03What output voltage does the APC SY128K160H deliver?
The APC SY128K160H delivers hard-wired 380/400/415V three-phase output through a 5-wire connection.
04How is the APC SY128K160H installed?
The APC SY128K160H is a hard-wired, professionally installed three-phase system requiring qualified electrical contractor commissioning.
05Is the APC SY128K160H suitable for Oman and GCC data centers?
Yes, Seven Star LLC supplies APC products to customers in Oman and the GCC and can provide the manufacturer documentation and technical support on request.


















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