Delphys XL is a highly compact UPS with best in class efficiency offering inherent redundancy and allowing by design, fast & safe maintenance operation. A fully resilient UPS architecture eliminating traditional single points of failure.

Conformity to standards

EN/IEC 62040-1
EN/IEC 62040-2
EN/IEC 62040-3
EN/IEC 62040-4

Unrivalled power performance

Best in class & certified performance to optimise usage and Total Cost of Ownership.

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ELITE UPS label: a mark of efficiency
Socomec signs up to JRC Code of Conduct for Elite level UPS efficiency that’s fit for the future


Flexible integration with an optimised footprint

- High power UPS packed into a compact and optimised design.
- Highly flexible connection to your electrical environment.
- Easy and fast deployment of the entire UPS system.
- Up to 70% space saving when combined with lithium-ion batteries.
- Advanced on-site testing features to certify commissioning.

Unmatched resiliency to maximise availability

- UPS architecture eliminates single point of failure related to traditional monolithic UPS.
- Fault tolerant concept provides double conversion mode redundancy up to 80% of the rated power.
- Self-sufficient power bricks with advanced selective disconnection.
- Based on our field proven high power XL platform.
- Limited number of power converters - each designed to eliminate potential fault propagation for best MTBF.
- Powerful and robust static bypass.

Best in class energy management & savings

- 99,1% efficiency with our Smart Conversion Mode.
- 97,1% VFI mode as standard.
- ENERGY SAVER for higher system efficiency under low load conditions (bricks in hot stand-by).
- Multiple advanced operating and testing mode to minimise TCO.
- Ready for grid support functionalities.

Critical chain interoperability

- Designed to fit any data centre power distribution architecture.
- Advanced functionalities to ensure Genset stability upon restart or significant variation in loads.
- Designed to coordinate perfectly with our downstream connected STS.
- Supports even the most challenging load variation.

Easy and safe maintenance supporting low MTTR

- Reduced MTTR supported by cold-extractible power bricks.
- No cabling operation required to slide-out a power brick.
- Front access to all components.
- Safe servicing thanks to “hands outside” maintenance.
- Maintenance station with embedded operating power brick as a spare.
- Option to test the UPS and batteries without load when carrying out maintenance activities.

Discover our high power UPS, designed for Data Centre

Socomec awarded for its DELPHYS XL by Frost & Sullivan
The new standards set by the DELPHYS XL have been recognised with Frost & Sullivan’s Global Customer Value Leadership accolade for 2022.

Technical data

General characteristics
UPS power rating (35 °C) 1000 kVA / kW 1200 kVA / kW
Efficiency in Double Conversion Mode Up to 97.1% - certified by third party (TÜV)
Efficiency in Smart Conversion Mode Up to 99.1% - certified by third party (TÜV)
Parallel capability Up to 4 units


Nominal input voltage 380 / 400 / 415V - 3Ph or 3Ph+N
Input voltage tolerance 200 to 480V
Input connection Common or separated / top or bottom
Frequency range 50/60Hz ± 10%
Input power factor / THDi > 0.99 / < 1.5% @ full load
Power walk-in on Genset Linear ramp - from 1A/sec to 1000A/sec


Nominal output voltage 380 / 400 / 415V - 3Ph or 3Ph+N
Frequency range 50/60Hz ± 0.01% (free running)
Voltage regulation ± 1% steady state
Output voltage distortion (THDv) < 1%
Output voltage performance (load variation 0 - 100%) Complies with IEC 62040-3 Class 1 (VFI-SS-111)
Inverter overload capability 110% 1h / 125% 10 min / 150% 1 min
Bypass overload capability 110% continuous / 125% 10 min / 150% 1 min
Inverter short circuit capability Up to 3230A Up to 4090A
Bypass short circuit selectivity Fuseless architecture (Icw 65kA)


Battery type - 2 wires (+/-) VRLA / Lithium-ion
Battery voltage range Up to 705V
Battery connection capability Up to 10 strings (w/o extra cabinet)
Lithium-ion communication Modbus TCP / dry contact


Operating temperature 0 - 40°C
Humidity 0 - 95% without condensation
Air flow From front to top
Maximum altitude without derating 1000m (3,300 ft)
Standard protection rating IP20 / IP21 (optional)
Seismic rating Zone 2 / Zone 4 (optional)
Frame colour RAL 7016


Compliance with standards
Safety IEC/EN 62040-1
EMC IEC/EN 62040-2
Performance IEC/EN 62040-3
Environmental IEC/EN 62040-4


Dimensions and weight
UPS dimensions (W x D x H) 2625 x 1000 x 2005 mm 3003 x 1000 x 2005 mm
Weight 2600 kg 3200 kg
Clearance No rear or lateral clearance for installation and maintenance

Associated service

Power brick as a spare
Ready-to-use spare power brick for DELPHYS XL UPS
UPS connection kit
UPS Communication kit
How to connect my UPS to access digital services?
Discover the all–in-one package to access all Socomec UPS digital services and digitalise your day-to-day operations.


Electrical options

- Input, output and maintenance bypass switches.
- PEN kit for TN-C grounding system.
- Reinforced battery charger.
- Battery protection tripping kit.
- BCR (Battery Capacity Re-injection).
- ACS synchronisation system.
- Cold start.
- Maintenance Station with spare power conversion brick.
- Advanced Genset Management.


Standard communication features

- User-friendly 7” touch-screen multilingual colour graphic display.
- USB port to download UPS reports and log files.
- Ethernet port for service purposes.

Communication options

- Dry-contact interface (configurable voltage-free contacts).
- BACnet/IP interface.
- NET VISION: professional WEB/SNMP Ethernet interface for secure UPS monitoring and remote automatic shutdown.
- NET VISION EMD: Environment Temperature and Humidity sensor with 2 inputs.
- Remote View Pro supervision software.
- Remote touch-screen panel.



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