Easy UPS 3S 40 kVA 400 V 3:3 UPS for external batteries



  • Front-access servicing simplifies installation and UPS maintenance while minimizing space requirements.
  • Easy Loop Test verifies UPS performance before you connect your load, without the need for a load bank.
  • ECO Mode operating mode that by-passes unused electrical components in good power conditions to achieve high operating efficiency without sacrificing protection
  • Easy to install fast quickly roll the compact and lightweight UPS into position.
  • Intuitive user interface The intuitive graphical user interface allows for easy system configuration.


  • Genuine 100%
  • Warranty at Techmaster





Technical Specifications


Output power capacity: 40.0kWatts / 40.0kVA

Max Configurable Power (Watts): 40.0kWatts / 40.0kVA

Nominal Output Voltage: 400V 3PH

Output Voltage Distortion: Less than 3%

Output Frequency (sync to mains): 50 Hz, 60 Hz

Other Output Voltages: 380, 415

Load Crest Factor: 3 : 1

Topology: Double Conversion Online

Overload Operation: 150% for 1 minute 125% for 10 minutes

Output Voltage THD: < 3% linear load

Bypass: Built-in Maintenance Bypass


Nominal Input Voltage: 400V 3PH

Input frequency: 45 - 65 Hz

Input voltage range for main operations: 304 - 477V

Other Input Voltages: 380, 415

Maximum Input Current: 73.0A

Input Power Factor at Full Load: 0.99

Batteries & Runtime

Battery type: No internal battery - uses external battery system

Efficiency: View Efficiency Graph

Communications & Management

Interface Port(s): E3S_Parallel, E3S_TempSensor


Maximum Height: 770MM, 77.0CM

Maximum Width: 250MM, 25.0CM

Maximum Depth: 900MM, 90.0CM

Net Weight: 70.0KG

Shipping weight: 86.0KG

Shipping Height: 1015MM, 101.5CM

Shipping Width: 400MM, 40.0CM

Shipping Depth: 1050MM, 105.0CM

Color: White


Operating Temperature: 0 - 40 °C

Operating Relative Humidity: 0 - 95 (non-condensing) %

Operating Elevation: 0-984.3meters

Storage Temperature: -15 - 40 °C

Storage Relative Humidity: 0 - 95 (non-condensing) %

Storage Elevation: 0-14763.6meters

Audible noise at 1 meter from surface of unit: 63.0dBA

Online thermal dissipation: 1880.0BTU/hr

Protection Class: IP 20


Approvals: CE, EAC, IEC 62040-1-1, IEC 62040-2, IEC 62040-3, IEC 62040-4, ISTA 2B, RCM, WEEE



Questions and Answers - Easy UPS 3S 40 kVA 400 V 3:3 UPS for external batteries