PROTECT PLUS S400 AC
PROTECT PLUS S400 AC
Compact Transformer-Less UPS, 20 - 80 kVA
Protect Plus S400 is the new transformer-less UPS from AEG Power Solutions, best in class system for its compact footprint and flexible configurations.
Thanks to its full IGBT double-conversion technology (VFI-SS-11), Protect Plus S400 combines low input THDi with close to unity input power factor. The system also operates in ECO mode, achieving efficiency over 99%.
INFORMATION
BRAND
Age
PRODUCT TYPE
AC
POWERFUL CHARGER
High-capacity batteries configuration for long backup times
APPLICATIONS
- Data & IT
- Transportation
- Manufacturing
- Building infrastructure
MECHANICAL(IP21 PROTECTION KIT)
This mechanical accessory enhances the UPS’s environmental protection by increasing its ingress protection rating to IP21, safeguarding internal components from solid objects and vertical water drops. Especially suitable for installation in light industrial or semi-controlled environments.
CLASSIFICATION
VFI-SS-11
PARALLEL OPERATION
Up to 4 units
INPUT PHASES
3PH+N+G
OUTPUT PHASES
3PH+N
VOLTAGE RANGE (V) (PH-N / PH-PH)
- 116 ÷ 190 / 200 ÷ 329 @ 50% load
- 190 ÷ 276 / 329 ÷ 478 @ 100 % load
NOMINAL BYPASS INPUT VOLTAGE (V)
- 230 (phase to neutral)
- 400 (phase to phase)
CABINET COLOR
RAL 9005
FREQUENCY
50 / 60 Hz
INPUT & OUTPUT VOLTAGE
- 380 V
- 400 V
- 415 V
BENEFITS
- Powerful charger
- Maximized savings
- Unity output PF: 1 kVA = 1 kW
- Easy installation, operation and maintenance.
- Full control and parameters setting through the display
CAPACITY
20-80 kVA
DOWNLOAD
↓ Data Sheet
DIMENSIONS 1 (20 KVA/30 KVA )
- Width : 330 mm
- Depth : 700 mm
- Height : 525 mm
DIMENSIONS 1 (40 KVA/60 KVA 80 KVA)
- Width : 330 mm
- Depth : 772 mm
- Height : 977 mm
POWER RATING
- 20 KVA : 20/20 (kVA / kW)
- 30 KVA : 30/30 (kVA / kW)
- 40 KVA : 40/40 (kVA / kW)
- 60 KVA : 60/60 (kVA / kW)
- 80 KVA : 80/80 (kVA / kW)
FLEXIBLE BATTERY SOLUTIONS
VRLA & Lithium
OUTPUT POWER FACTOR
Up to 1
WEIGHT
- 20 KVA : 45 kg
- 30 KVA : 48 kg
- 40 KVA : 48 kg
- 60 KVA : 96 kg
- 80 KVA : 96 kg
FEATURES
- User friendly HMI
- Wide range of options
- High MTBF and low MTTR
- Frequency converter option
- Optimized Battery Management
- Transformer-less and full IGBT architecture
- AC/AC efficiency > 95% (VFI) and > 99% in VFD
EASY INSTALLATION, OPERATION AND MAINTENANCE
Front-access to the main components. Easy and simple parallel upgrade.
PERFORMANCE
By combining excellent performance, industry-leading battery charging power and compact footprint, this UPS ensures power quality for even the most sensitive critical loads.
MAXIMIZED SAVINGS
In terms of footprint (m2), installed power (kVA), electrical system (cabling and protection devices), availability and reliability (MTTR and MTBF), power management (kW vs cost)
CONNECTIVITY
S400 RELAY CARD
Offers programmable dry contacts to signal key UPS events such as alarms, battery operation, bypass mode, and system faults. It’s ideal for interfacing with external systems such as PLCs, alarms, or indicator panels, ensuring immediate and reliable feedback on the UPS operating status.
DETAIL
METERS: INPUT / BYPASS / OUTPUT / BATTERY / TEMPERATURE
This section of the HMI displays detailed electrical measurements in real time, covering: input, bypass, output, battery and temperature. Clear sections and numeric values allow for instant visual diagnostics, helping users ensure that the system operates within safe and optimal parameters.
UPS SETTINGS
Users can customize key operating parameters of the UPS. Available options include battery technology, battery elements, and discharge/charge voltages. For this UPS, it is possible to select either VRLA or Lithium-Ion battery technology. The Dry-in configuration gives the possibility to configure: On Generator, Remote Go to Bypass, Remote Charger Off, Maintenance Bypass, Remote UPS On, Remote UPS Off.
HMI OVERVIEW: UPS CONTROL & MONITORING
This screen provides direct access to the main operating modes, allowing users to start, stop, or change the UPS operating status with a single touch. It also displays real-time data such as load levels, battery status, alarms, and input/output conditions. From here, users can access all key UPS functions for efficient daily operation and immediate system feedback.













