APC by Schneider Electric Galaxy vs UPS 120KW 400V for External Batteries Start-up - GVSUPS120KHS

APC by Schneider Electric GVSUPS120KHS Galaxy VS 120kW Online UPS for External Batteries

Overview

The GVSUPS120KHS is APC by Schneider Electric's Galaxy VS platform configured at 120kW (120 kVA) for three-phase 400V installations that rely on external battery cabinets. If you're sizing power protection and UPS systems for a data center, large network closet, or critical infrastructure stack, this is the unit to evaluate when your runtime requirements exceed what an internal-battery UPS can deliver and you need a hardened double-conversion topology that never lets utility fluctuations reach your load.

Double-conversion online architecture means the GVSUPS120KHS continuously regenerates clean AC power from the DC bus — your connected equipment never sees raw utility power at all. Voltage sags, swells, harmonics, and frequency deviations are isolated completely, not just bridged during an outage. For high-density network switching infrastructure, server rooms, or industrial control equipment where a momentary transfer to battery is still unacceptable, this topology is the engineering answer.

Key Features

• 120kW / 120 kVA True Double-Conversion: Full online double-conversion at 120kW means zero transfer time to battery — there is no static transfer switch involved under normal operation. Connected loads never experience the 2–4ms transfer window that line-interactive or standby topologies require. Critical for equipment that cannot tolerate any power discontinuity.
• Wide Input Voltage Range (340V–460V): The 120V input operating window — from 340V to 460V on a nominal 400V system — lets the GVSUPS120KHS ride through browndowns and over-voltage conditions without switching to battery. Fewer unnecessary battery cycles means longer battery life and lower replacement costs over the UPS lifecycle.
• 0.99 Input Power Factor: At 0.99 input PF, this unit draws nearly unity power from your facility — close to what a resistive load would pull. That translates directly to lower apparent power demand on your electrical infrastructure and reduced utility billing for kVA-metered commercial accounts. In older facilities with marginal panel capacity, this margin matters.
• ECO Mode for Efficiency Gains: When the utility supply is within acceptable tolerance, ECO mode routes power through the bypass path rather than through the conversion chain, reducing heat output and increasing efficiency. The 12,509 BTU/h heat dissipation figure applies to full online conversion — ECO mode reduces that thermal load, which directly affects your HVAC sizing and cooling costs in sealed equipment rooms.
• 2.5:1 Crest Factor Tolerance: Many UPS units struggle with non-linear loads — servers with switching power supplies, variable frequency drives, LED drivers — that draw current in sharp peaks rather than smooth sine waves. A 2.5:1 crest factor rating means the GVSUPS120KHS can handle loads where peak current is 2.5× the RMS value without output distortion, keeping downstream equipment stable.
• Sine Wave Output with ±1% Voltage Regulation: The output is a clean sine wave held within 1% of nominal voltage (380V–415V selectable). That's tighter than most utility supply specs and critical for equipment with regulated power supplies that fault on voltage excursions — medical-grade hardware, precision instrumentation, and enterprise networking gear all benefit from this stability.
• Dual Frequency Output (50/60 Hz): Output frequency configurable for 50Hz or 60Hz operation makes this unit deployable in international or mixed-standard facilities without respecifying the UPS — useful for global enterprises standardizing on a single UPS platform across regions.
• 40–70 Hz Input Frequency Acceptance: The wide input frequency window (40–70 Hz) means the GVSUPS120KHS can accept input from diesel generators or other non-utility power sources with unstable frequency output without faulting to battery — an important spec for facilities that operate in generator-primary mode during extended outages.
• 216A Maximum Output Current: At 120kW into a 400V three-phase load, the 216A maximum current rating gives you headroom for load growth without immediate infrastructure upgrade. Size your branch circuits and distribution accordingly at commissioning.
• Three-Phase In / Three-Phase Out: Both input and output are three-phase — this is a facility-grade unit designed for main distribution panel or PDU integration, not a single-phase branch circuit application. Confirm your electrical infrastructure matches before specifying.

Integration and Compatibility

The GVSUPS120KHS is designed specifically for deployment with external battery cabinets, which means runtime is determined by the battery cabinet configuration rather than any internal cells. This architecture lets you scale runtime independently of UPS capacity — pair multiple external battery strings for extended runtime in long-outage scenarios without upsizing the UPS module itself. Consult the Galaxy VS external battery cabinet lineup for compatible runtime extension options.

For facilities running network management or DCIM platforms, the Galaxy VS supports APC's EcoStruxure architecture and network management card integration for SNMP monitoring, environmental alerting, and remote shutdown coordination. Verify NMC compatibility with your specific management platform before deployment.

Start-up service (5×8) is included with this SKU — factory-trained commissioning during standard business hours. If your site requires after-hours or weekend commissioning, confirm service scope before purchase.

Frequently Asked Questions

Q: What is the difference between the GVSUPS120KHS and a standard Galaxy VS 120kW model?

A: The GVSUPS120KHS is configured specifically for external battery cabinet use — it does not include internal batteries. Runtime is entirely determined by the external battery cabinets you pair with it. This makes it the correct choice when you need long runtime or want to scale runtime independently of the UPS module.

Q: Does the GVSUPS120KHS support ECO mode?

A: Yes. ECO mode is supported and allows the unit to route power through the bypass path when utility quality is within tolerance, improving efficiency and reducing heat dissipation below the 12,509 BTU/h full-conversion figure. ECO mode is configurable and can be disabled if your application requires continuous double-conversion at all times.

Q: What input voltage range does the GVSUPS120KHS accept?

A: The unit accepts input from 340V to 460V on a nominal 400V three-phase supply, with an input frequency window of 40 to 70 Hz. This wide window allows operation on generator power or degraded utility without unnecessarily switching to battery.

Q: Is this UPS suitable for single-phase loads?

A: No. The GVSUPS120KHS is a three-phase input / three-phase output unit designed for facility-grade distribution infrastructure. It is not appropriate for single-phase branch circuit protection. If your load is single-phase, a different product family is required.

Q: What does the 5×8 start-up service included with this SKU cover?

A: The 5×8 designation means factory-trained start-up and commissioning is available during standard business hours (Monday through Friday, 8-hour window). It does not cover after-hours, weekend, or emergency commissioning. Confirm your site's installation schedule aligns with this coverage before ordering.

Q: Can the GVSUPS120KHS handle non-linear loads like servers and switching power supplies?

A: Yes. The 2.5:1 crest factor rating means the UPS can supply loads where peak current is up to 2.5 times the RMS value — typical of IT equipment with switching power supplies — without output distortion or shutdown.

James Everett

The GVSUPS120KHS is a unit I'd reach for specifically when the runtime conversation outgrows what any internal-battery configuration can deliver. At 120kW on a 400V three-phase supply with a 0.99 input power factor, you're getting close to unity draw from your facility — and in my experience, that spec alone resolves a lot of panel capacity arguments during facility design reviews. The double-conversion topology means there is no transfer event, ever — something that matters in environments where even a 4ms gap causes nuisance resets on sensitive equipment.

Technical Highlights:

• 340V–460V Input Window: A 120V operating range on a 400V nominal system gives real-world browndown tolerance — I've seen facilities in areas with poor grid stability where a narrower window would mean constant battery cycling. This range keeps the unit on utility through most grid events.
• 12,509 BTU/h Heat Dissipation: Plan your HVAC budget around this figure for full double-conversion operation. ECO mode reduces it meaningfully, but size your cooling for worst-case — you don't want to discover a thermal margin problem during a summer heat event when the unit is running hard.
• 2.5:1 Crest Factor: Most of the IT loads this unit will serve — blade chassis, high-density compute, network core switches — are non-linear. The 2.5:1 rating is the spec that confirms the GVSUPS120KHS won't clip or distort under that kind of current profile.

Deployment Considerations:

• This SKU ships without internal batteries by design — external battery cabinet selection drives your runtime spec. Map out your outage duration requirement first, then size the battery string. Don't assume a single cabinet is sufficient for long-duration backup in high-load scenarios.
• The included start-up service is 5×8 only. If your facility commissioning window is a weekend cutover or after-hours maintenance window, coordinate the service coverage scope before the order is placed — not after the unit arrives on the loading dock.

The GVSUPS120KHS is the right specification for a colocation edge pod, a regional data center distribution tier, or a large enterprise network core where three-phase 400V infrastructure is in place, runtime flexibility is a design requirement, and the load profile includes the kind of non-linear IT equipment that exposes weaknesses in lesser UPS topologies.