DC/AC Inverters and DC Power Systems

Delta Eltek Rectiverter 2U Powercore (48Vdc,6kVA,1ph)

The Eltek Rectiverter 2U Power Core (6kVA 1ph) is a high-efficiency modular UPS solution designed for telecommunications, power utilities, and railway infrastructure. It integrates a rectifier, inverter, and power transfer system into a single 2U unit, providing up to 6kVA AC and 4.8kW DC output while ensuring continuous power availability. The Rectiverter seamlessly switches to battery backup during mains failure, delivering uninterrupted power to both AC and DC loads.

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Delta Eltek Rectiverter 2U Powercore (48Vdc,6kVA,1ph)

Features

  • Integrated AC and DC UPS: Ensures uninterrupted power during mains failure
  • 48V DC battery charging: Provides reliable backup for critical systems
  • Compact 2U design: Space-saving solution with easy installation
  • Flexible power output: Delivers up to 6kVA AC and 4.8kW DC
  • Hot-swappable modules: Enables quick maintenance and scalability
  • Advanced monitoring and control: Smartpack R controller for remote site management
Specifications
MANUFACTURER PART NUMBER
Model Rectiverter 2U Powercore (8kW/230Vac) Rectiverter 2U Powercore (4kW/115Vac) 
Manufacturer Part Number CTOR0402.1xxx* CTOR0402.1xxx*
Compatible Delta Eltek Systems Designed for use with the following modules: Rectiverter 230/1500_48/1200 (241123.100) or Rectiverter 115/750_48/600 (241123.100L)
AC OUTPUT DATA**
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
Voltage (Default)¹ 230Vac 115Vac
Adjustable Range 200...240Vac 100...127Vac
Frequency (Default Inverter Mode) 50Hz (adaptive) 60Hz (adaptive)
Frequency (Set-able Inverter Mode) 50Hz, 60Hz or last synced 50/60Hz (adaptive)
Max. Power (Continuous / Overload (<15s)) 4,800W (6,000VA) / 8,000VA 2,400W (3,000VA) / 4,000VA
Max. Current (Continuous / Overload (<15s)) 26Arms 34.8Arms
Current (Max.) Quick Trip (20ms) 128A (6 x nominal)
THD < 1.5 % at resistive load
Protection Fuse in L, Hot Pluggable, Varistor
Efficiency > 96% (Mains Mode) / > 94% (Inverter Mode) > 92% (Mains Mode) / > 91% (Inverter Mode)
Notes ¹ Output voltage ranges configured in factory and have individual keying in top chassis 
*Part number to be assigned on build, based off final build configuration.
**For full technical data please refer to the appropriate Rectiverter module datasheet  
DC OUTPUT DATA**
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
Voltage (Default) 53.5Vdc
Adjustable Range 43...58Vdc
Max. Power (@Nominal Input) 4800W² 2400W²
Max. Current (@Vout ≤ 48Vdc) 100A² 50A²
Current Sharing (10 - 100% Load) ±5% of maximum current from 10 to 100% load
Protection Short Circuit Proof, Over Voltage Shutdown, Reversed Polarity, Reversed Polarity and Fuse
Notes ² AC load has priority. Maximum available DC output power and current is dependent on instant AC load and AC input voltage; i.e. maximum 3200 W / 66,4 A at full AC power and nominal input for 230 VAC.
*Part number to be assigned on build, based off final build configuration.
**For full technical data please refer to the appropriate Rectiverter module datasheet  
INPUT DATA
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
AC Mains Input Voltage Range 185...275Vac 95...140Vac
Low Voltage Disconnect 170Vac 85Vac
Max. AC Current (depends on module type) 32.8 - 46Arms³ 36.8 - 45.2Arms³
Frequency (Default: Sync Range) 47 - 53Hz / 57 - 63Hz
Frequency (Set-able: Sync Range) 47 - 53Hz, 57 - 63Hz or both (adaptive)
Power Factor > 0.99 at 70% load or more
THD < 3.5%
AC Input Protection Fuse in L and N, Hot Pluggable, Varistor
DC Input Voltage (Nominal Working Range) 45...58Vdc
DC Input Voltage (Extended Range⁴) 40...45Vdc
Max. DC Current 128A / 180A During Overload (15s) 64A / 90A During Overload (15s)
Notes ¹ Output voltage ranges configured in factory and have individual keying in top chassis 
² AC load has priority. Maximum available DC output power and current is dependent on instant AC load and AC input voltage; i.e. maximum 3200 W / 66,4 A at full AC power and nominal input for 230 VAC.
³ If DC port is overloaded pulling the voltage below 43 V the input current may increase above this level. 
⁴ Reduced performance - no over load support, and for 200-240 VAC output THD will increased and maximum output power derates (to 970 W for 230 VAC @ 40 VDC) 
*Part number to be assigned on build, based off final build configuration.
**For full technical data please refer to the appropriate Rectiverter module datasheet  
MONITORING / DISPLAYS / ALARMS**
Monitor / Control Unit Smartpack R
Additional I/O Extension Alarm Card (6x Digital Inputs & 6 x Relays)
Alarms (Module): Via Red LED: Low and high mains input voltage shutdown, High and low temperature shutdown, Rectiverter Failure, Overvoltage shutdown on output, Fan failure, Low output voltage alarm, CAN bus failure, Sync bus lost and Sync fail
Alarm Relay [NO max. 75 Vdc / 100 mA] (AC output OR DC output alarms)
Warnings (Module): Via Yellow LED: Rectiverter in power de-rate mode or in power or current limit mode on DC or AC port, Remote output current limit activated, Loss of CAN communication with controller
Normal Operation (Module): AC output and/or DC output on and ok, indicated Via Green LED
Notes **For full technical data please refer to the appropriate Rectiverter module datasheet  
DISTRIBUTION / LVD
Battery Distribution Max. 2 x 100A or 1 x 150A
AC Distribution Max. 3 x 1-Pole 16A or 1 x 2-Pole 16A MCBs
DC Distribution Max. 3 x 1-Pole 60A MCBs
LVBD 150A (Optional)
ENVIRONMENTAL
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
Cooling Fan Assisted
Operating Temp. (5-95% RH n.cond. hum.) -40 to + 75°C
Operating Temperature (°C)
 0...55°C: 100% Rated Power (4800W) 0...55°C: 100% Rated Power (2400W)
> 55°C: D-Rated to 1920W @ 75°C (AC and DC Outputs)
Storage Temperature (°C) -40 to +85°C; Humidity: 0 - 99% RH non-condensing
MECHANICAL
Dimensions [WxHxD] 483 x 386 x 97mm
Weight 9.9Kg
DESIGN STANDARDS**
Electrical safety EN 60950-1, EN 62040-1 UPS safety
EMC ETSI EN 300 386 V2.1.1, FCC CFR 47 Part 15 EN 62040-2 EN 61000-6-1/-2/-3/-4
Environment ETSI EN 300 019: 2-1 (Class 1.2), 2-2 (Class 2.3) & 2-3 (Class 3.2) Normal operating conditions as per IEC 62040-3:2011 clause 4.2. Other operating conditions as per IEC 62040-3:2011 clause 4.3, must be advised RoHS 3 (2015/863/EU) and WEEE (2008/98/EC) compliant
Notes **For full technical data please refer to the appropriate Rectiverter module datasheet 
Downloads
Datasheet_Rectiverter_2U_Power_Core_6kVA_1ph.pdf
MANUFACTURER PART NUMBER
Model Rectiverter 2U Powercore (8kW/230Vac) Rectiverter 2U Powercore (4kW/115Vac) 
Manufacturer Part Number CTOR0402.1xxx* CTOR0402.1xxx*
Compatible Delta Eltek Systems Designed for use with the following modules: Rectiverter 230/1500_48/1200 (241123.100) or Rectiverter 115/750_48/600 (241123.100L)
AC OUTPUT DATA**
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
Voltage (Default)¹ 230Vac 115Vac
Adjustable Range 200...240Vac 100...127Vac
Frequency (Default Inverter Mode) 50Hz (adaptive) 60Hz (adaptive)
Frequency (Set-able Inverter Mode) 50Hz, 60Hz or last synced 50/60Hz (adaptive)
Max. Power (Continuous / Overload (<15s)) 4,800W (6,000VA) / 8,000VA 2,400W (3,000VA) / 4,000VA
Max. Current (Continuous / Overload (<15s)) 26Arms 34.8Arms
Current (Max.) Quick Trip (20ms) 128A (6 x nominal)
THD < 1.5 % at resistive load
Protection Fuse in L, Hot Pluggable, Varistor
Efficiency > 96% (Mains Mode) / > 94% (Inverter Mode) > 92% (Mains Mode) / > 91% (Inverter Mode)
Notes ¹ Output voltage ranges configured in factory and have individual keying in top chassis 
*Part number to be assigned on build, based off final build configuration.
**For full technical data please refer to the appropriate Rectiverter module datasheet  
DC OUTPUT DATA**
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
Voltage (Default) 53.5Vdc
Adjustable Range 43...58Vdc
Max. Power (@Nominal Input) 4800W² 2400W²
Max. Current (@Vout ≤ 48Vdc) 100A² 50A²
Current Sharing (10 - 100% Load) ±5% of maximum current from 10 to 100% load
Protection Short Circuit Proof, Over Voltage Shutdown, Reversed Polarity, Reversed Polarity and Fuse
Notes ² AC load has priority. Maximum available DC output power and current is dependent on instant AC load and AC input voltage; i.e. maximum 3200 W / 66,4 A at full AC power and nominal input for 230 VAC.
*Part number to be assigned on build, based off final build configuration.
**For full technical data please refer to the appropriate Rectiverter module datasheet  
INPUT DATA
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
AC Mains Input Voltage Range 185...275Vac 95...140Vac
Low Voltage Disconnect 170Vac 85Vac
Max. AC Current (depends on module type) 32.8 - 46Arms³ 36.8 - 45.2Arms³
Frequency (Default: Sync Range) 47 - 53Hz / 57 - 63Hz
Frequency (Set-able: Sync Range) 47 - 53Hz, 57 - 63Hz or both (adaptive)
Power Factor > 0.99 at 70% load or more
THD < 3.5%
AC Input Protection Fuse in L and N, Hot Pluggable, Varistor
DC Input Voltage (Nominal Working Range) 45...58Vdc
DC Input Voltage (Extended Range⁴) 40...45Vdc
Max. DC Current 128A / 180A During Overload (15s) 64A / 90A During Overload (15s)
Notes ¹ Output voltage ranges configured in factory and have individual keying in top chassis 
² AC load has priority. Maximum available DC output power and current is dependent on instant AC load and AC input voltage; i.e. maximum 3200 W / 66,4 A at full AC power and nominal input for 230 VAC.
³ If DC port is overloaded pulling the voltage below 43 V the input current may increase above this level. 
⁴ Reduced performance - no over load support, and for 200-240 VAC output THD will increased and maximum output power derates (to 970 W for 230 VAC @ 40 VDC) 
*Part number to be assigned on build, based off final build configuration.
**For full technical data please refer to the appropriate Rectiverter module datasheet  
MONITORING / DISPLAYS / ALARMS**
Monitor / Control Unit Smartpack R
Additional I/O Extension Alarm Card (6x Digital Inputs & 6 x Relays)
Alarms (Module): Via Red LED: Low and high mains input voltage shutdown, High and low temperature shutdown, Rectiverter Failure, Overvoltage shutdown on output, Fan failure, Low output voltage alarm, CAN bus failure, Sync bus lost and Sync fail
Alarm Relay [NO max. 75 Vdc / 100 mA] (AC output OR DC output alarms)
Warnings (Module): Via Yellow LED: Rectiverter in power de-rate mode or in power or current limit mode on DC or AC port, Remote output current limit activated, Loss of CAN communication with controller
Normal Operation (Module): AC output and/or DC output on and ok, indicated Via Green LED
Notes **For full technical data please refer to the appropriate Rectiverter module datasheet  
DISTRIBUTION / LVD
Battery Distribution Max. 2 x 100A or 1 x 150A
AC Distribution Max. 3 x 1-Pole 16A or 1 x 2-Pole 16A MCBs
DC Distribution Max. 3 x 1-Pole 60A MCBs
LVBD 150A (Optional)
ENVIRONMENTAL
Model Rectiverter 2U Powercore (8kW/230Vac)  Rectiverter 2U Powercore (4kW/115Vac) 
Cooling Fan Assisted
Operating Temp. (5-95% RH n.cond. hum.) -40 to + 75°C
Operating Temperature (°C)
 0...55°C: 100% Rated Power (4800W) 0...55°C: 100% Rated Power (2400W)
> 55°C: D-Rated to 1920W @ 75°C (AC and DC Outputs)
Storage Temperature (°C) -40 to +85°C; Humidity: 0 - 99% RH non-condensing
MECHANICAL
Dimensions [WxHxD] 483 x 386 x 97mm
Weight 9.9Kg
DESIGN STANDARDS**
Electrical safety EN 60950-1, EN 62040-1 UPS safety
EMC ETSI EN 300 386 V2.1.1, FCC CFR 47 Part 15 EN 62040-2 EN 61000-6-1/-2/-3/-4
Environment ETSI EN 300 019: 2-1 (Class 1.2), 2-2 (Class 2.3) & 2-3 (Class 3.2) Normal operating conditions as per IEC 62040-3:2011 clause 4.2. Other operating conditions as per IEC 62040-3:2011 clause 4.3, must be advised RoHS 3 (2015/863/EU) and WEEE (2008/98/EC) compliant
Notes **For full technical data please refer to the appropriate Rectiverter module datasheet 
Datasheet_Rectiverter_2U_Power_Core_6kVA_1ph.pdf

Find the Right Model

Model Number Input Voltage (Vac) Output Voltage (Vdc) Max. Output Power (W / kW)
product variant Rectiverter 2U Powercore (8kW/230Vac) Adj. 185 - 275Vac / LV disconnect 170Vac 53.5Vdc (Adj. 43 - 58Vdc) 4800W
product variant Rectiverter 2U Powercore (4kW/115Vac) Adj. 95 - 140Vac / LV disconnect 85Vac 53.5Vdc (Adj. 43 - 58Vdc) 2400W

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