Strong Points
Function
MASTERYS GP4 is a range of high-performance three-phase UPS designed to ensure reliable power protection from 10 to 250 kVA/kW. It combines certified electrical performance with advanced energy efficiency features - including Smart Conversion mode - to reduce energy losses and CO2
emissions while ensuring the security of critical loads.
With reliability engineered-in, as well as front-access maintenance and digital connectivity,
MASTERYS GP4 is also designed to simplify day-to-day operation and improve system
availability
Conformity to standards
IEC/EN 62040-1
IEC/EN 62040-2
EN 62040-3
CE
UKCA
EAC
Superior
Best in class & certified performance to optimise usage and Total Cost of Ownership.
Advantages
Superior reliability - proven performance by architecture
- Up to 350,000 hours MTBF - certified.
- TÜV SÜD certified for electrical performance and product safety (EN 62040-1).
- Zone 4 seismic resistance - independently tested.
- Full rated power at 40 °C without derating.
- No single point of failure thanks to UPS architecture based on independent power bricks.
- Fault-tolerant concept provides double conversion mode redundancy up to 50% of the rated power in the worst case scenario (60-250 kW).
- Limited number of power converters - each designed to eliminate potential fault propagation for best MTBF.
- Powerful and robust static bypass to secure protection continuity in the event of a fault or during maintenance.
Ease of operation - streamlined maintenance and intuitive interface.
- Designed for quick commissioning and minimal human error.
- Ergonomic 7” touch screen, multilingual interface (25+ languages).
- Total front access for all maintenance operations.
- Brick-based design simplifies replacement.
- Up to 5× faster repair time on mid- to high-power models.
Efficiency redefined - maximise performance, reduce losses.
- Up to 97.5% efficiency in VFI mode (High Efficiency version).
- Up to 96.5% efficiency in VFI mode (Classic version).
- Up to 99% efficiency without compromise in Smart Conversion mode. Thanks to an advanced algorithm, the inverter remains active and ensures a 0ms transfer to VFI mode in case of grid perturbation (class 1 certified).
Versatility - adaptable by design
- IoT-ready device to access Socomec’s digital services for advanced remote monitoring.
- Easy integration into LAN/WAN and virtual environments.
- Compatible with VRLA and Li-ion battery technologies.
- Configurable with shared or distributed battery setups.
- Extended and scalable backup time configurations available.
- Parallel-ready architecture for scalability when required.
Applications
- Building - Power availability for IT infrastructure
Technical data
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pn [kW] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
| Input / Output 3/1 | • | • | • | - | ||||||||
| Input / Output 3/3 | • | • | • | • | • | • | • | • | • | • | • | • |
| Parallel configuration | Up to 6 units | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated voltage | 400 V 3ph + N (3‑wire input also available on demand) | |||||||||||
| Voltage tolerance | 240 V to 480 V | |||||||||||
| Rated frequency | 40–70 Hz | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power factor | 1 (according to IEC / EN 62040‑3) | |||||||||||
| Rated voltage | 1ph + N: 230 V (can be configured 220/240 V) — 3ph + N: 400 V (can be configured 380/415 V) | |||||||||||
| Rated frequency | 50 / 60 Hz | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Double conversion (VFI mode) | up to 96.5% for standard version | up to 96.5% for standard version - up to 97.5% for HE (highefficiency) version | ||||||||||
| Eco mode | Up to 99% | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Technologies | VRLA, NiCd, Li‑Ion Battery | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S4 | 31 | 19 | 13 | 7 | 5 | — | ||||||
| M4 | 90 | 57 | 40 | 24 | 17 | — | ||||||
| T6 | — | 11 | 8 | — | ||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ambient operating temperature | Full performance up to +40 °C | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weight | dependent upon the number of batteries installed - contact us | |||||||||||
| Degree of protection | IP20 (IP21 on demand) | |||||||||||
| Colours | RAL 7016 | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Life extension | service programme to avoid end of life | |||||||||||
| Quick repair | 5 times lower MTTR than legacy UPS thanks to removable front-access parts | |||||||||||
| Sn [kVA] | 10 | 15 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Safety | IEC / EN 62040-1 | |||||||||||
| EMC | IEC / EN 62040‑2 | |||||||||||
| Performance | EN 62040-3 | |||||||||||
| Environmental | full compliance with the RoHS EU directive | |||||||||||
| Seismic compliance | on demand - in accordance with the Uniform Building Code UBC-1997 Zone 4 | |||||||||||
| Product declaration | CE, EAC, UKCA | |||||||||||
System
Electrical options
- 3-phase input without neutral (for 10-160 kVA).
- Internal backfeed isolation device.
- Common mains coupling bars.
- TN-C grounding system.
- ACS synchronization system.
- IP21 protection rating.
- Top cabling kit.
- Top ventilation kit.
- Redundant bypass fan.
- Seismic bracing kit.
Communication
Standard communication features
- User-friendly 7” touch screen with multilingual colour graphic display (60-250 kVA/kW).
- 2 slots for communication options.
- USB port for downloading UPS report and log file.
- Ethernet port for service purposes.
Communication options
- Dry-contact interface (configurable voltage-free contacts).
- MODBUS RTU RS485 or TCP.
- PROFIBUS / PROFINET gateway.
- BACnet/IP interface.
- NET VISION: professional WEB/SNMP Ethernet interface for secure UPS monitoring and remote automatic shutdown.
- REMOTE VIEW PRO supervision software.
- IoT gateway for Socomec cloud services and SoLive UPS mobile app.
- Remote touch-screen panel.
- User-friendly 7” touch screen with multilingual colour graphic display (10-40 kVA/kW).
Environmental data
- Halogen-free cables for safer and cleaner installation
- Smart Conversion mode for reduced energy losses and CO2 emissions
- Remote services to minimise on-site interventions and travel
- Manufactured in line with ISO 14001 certification
RoHS compliant
PEP ecopassport® available
"A company's performance is measured not only by its financial success, but also and above all by its positive impact on society and the environment. This vision guides our every action and decision, and anchors sustainable development at the heart of our strategy. This commitment is embodied in the ACT 360 program."
Ivan STEYERT - SOCOMEC Group CEO
Socomec services
Socomec offers comprehensive support to optimise the performance and longevity of your equipment. 400 experts and 250 engineers are mobilised to offer a complete service, from commissioning to end-of-life management of your equipment.
Commissioning
Commissioning by the manufacturer is the guarantee of safe, reliable and operational equipment.
MASTERYS remote commissioning
The guarantee of fast, secure and reliable commissioning - without on-site intervention - but with the same level of quality.
Platinum Warranty
Platinum Warranty improves standard factory coverage: contractual response times, priority hotline access and optional preventive maintenance.
Training
Strengthen your skills with Socomec-certified training and gain autonomy, performance and confidence.
SoLink remote monitoring
Reduce your contingencies with 24/7 monitoring of your critical equipment by Socomec experts.
SoLive Pro performance monitoring
Simply and securely view real-time data from your SUNSYS energy storage systems.
SoLive remote monitoring
Keep control of your Socomec equipment with a free real-time monitoring mobile app.
SoData data monitoring
Easily access raw data from Socomec connected products on the cloud.
Remote troubleshooting
Our experts troubleshoot your UPS remotely via reliable, secure diagnostics.
