Battery Chargers and DC UPS Solutions

ARIS Power DCU300M3648S DC-UPS / Battery Charger

The DCU300M3648S is a 300W DIN-rail mounted DC-UPS designed to provide uninterrupted power to critical DC loads in industrial and infrastructure applications. It integrates an AC/DC power supply, intelligent battery charger, and backup controller in a single compact unit.

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ARIS_Power_DCU300M48S_IMG

Features

  • Input voltage range: 85-305Vac nominal operation or 110-420Vdc input.
  • Output voltage: Selectable 36Vdc or 48Vdc.
  • Output current: Rated 6A at 36Vdc or 5A at 48Vdc in power supply mode.
  • Output power: 300W class DC-UPS / battery charger.
  • All-in-one DC-UPS with integrated power supply, battery charger and backup functions.
  • 3-stage charging curve (IUoU) with recovery charge.
Specifications
INPUT
Rated Input Voltage 115/230/277Vac (range 85–305Vac)
Rated Input Voltage DC 110/220Vdc (range 110–420Vdc)
Frequency Range 50/60 Hz (range 47–440Hz)
Input Current (Typ.) 2.8A (115Vac), 1.4A (230Vac)
Inrush Current (Typ. Cold Start) 15A max
Setup, Rise Time Max 1s
Recommended External Fuse/MCB 10A, curve B
Load Output - Power Supply Mode (Mains ON & Battery OFF)
Voltage - Selectable by Dip Switch 36Vdc 48Vdc
Rated Current (IR) 6A 5A
Ripple / Noise 80 mVpp 80 mVpp
Short Circuit Protection Yes
Over Load Protection Constant Current mode > 110% IR
Over Voltage Protection 70Vdc
Load Output - Standby Mode (Mains ON & Battery ON)
Voltage Range - Automatic Set 36–43.2Vdc 48–57.6Vdc
Max Continuous Current (IR+IBATT) 12A 10A
Max Current for 30s 15A 15A
Max Current for 15s 17.5A 17.5A
Max Current for 5s < 20A < 20A
Load Output - Backup Mode (Mains OFF & Battery ON)
Voltage Range - Automatic Set¹ 27.7–36Vdc 37–48Vdc
Max Continuous Current (IR+IBATT) 12A 10A
Max Current for 60s 15A 15A
Max Current for 30s 17.5A 17.5A
Max Current for 5s < 20A < 20A
Time Buffering for Backup 30 s up to ∞
Start from Battery with no mains (LVD overide) Yes (via push button) 
Quiescent Current < 90mA
Signal Output/Input
Standby / Backup Change-over relay contact, M terminals
Common Fault Change-over relay contact, F terminals
Rectifier failure Change-over relay contact, S terminals
Full set of monitor and alarm visual signals Flashing code on 3, Three-color LEDs
Modbus data link Dual RJ45 connector
Climatic Data
Operating Ambient Temperature (TA) -25 up to +70°C
Relative Humidity, no condensation @ 25°C max 95%
Storage Temperature -40 up to +85°C
Cooling Natural Convection
General Data
Efficiency (Typ.) >91%          >91%
Temperature Derating Factor¹ 2.5 %/°C, TA > 50°C
Altitude Derating Factor¹ 0.5°C/100 m, above 2000 m
Insulation Voltage (In/Out) 4 kVac
Insulation Voltage (In/PE) 2 kVac
Insulation Voltage (Out/PE) 500 Vdc
Insulation Resistance (500 V) > 100 MΩ
Protection Class (EN/IEC 60529) IP 20
Pollution Degree Environment 2
Dimensions (W x H x D) 80 x 130 x 126 mm
Weight 0.9 kg
Commercial Data
Weight per unit, including packing 1.0 kg
Dimensions per unit, including packing 85 x 138 x 134 mm
Volume per unit, including packing 0.0014 m³
Custom Tarif HS 85044055
Country of origin Italy
Insulation Voltage (Out/PE) 500 Vdc
Insulation Resistance (500 V) > 100 MΩ
Protection Class (EN/IEC 60529) IP 20
Pollution Degree Environment 2
Dimensions (W x H x D) 80 x 130 x 126 mm
Weight 0.9 kg
Downloads
Datasheet_DSH-DCU300M48S-R0-DM21.pdf
INPUT
Rated Input Voltage 115/230/277Vac (range 85–305Vac)
Rated Input Voltage DC 110/220Vdc (range 110–420Vdc)
Frequency Range 50/60 Hz (range 47–440Hz)
Input Current (Typ.) 2.8A (115Vac), 1.4A (230Vac)
Inrush Current (Typ. Cold Start) 15A max
Setup, Rise Time Max 1s
Recommended External Fuse/MCB 10A, curve B
Load Output - Power Supply Mode (Mains ON & Battery OFF)
Voltage - Selectable by Dip Switch 36Vdc 48Vdc
Rated Current (IR) 6A 5A
Ripple / Noise 80 mVpp 80 mVpp
Short Circuit Protection Yes
Over Load Protection Constant Current mode > 110% IR
Over Voltage Protection 70Vdc
Load Output - Standby Mode (Mains ON & Battery ON)
Voltage Range - Automatic Set 36–43.2Vdc 48–57.6Vdc
Max Continuous Current (IR+IBATT) 12A 10A
Max Current for 30s 15A 15A
Max Current for 15s 17.5A 17.5A
Max Current for 5s < 20A < 20A
Load Output - Backup Mode (Mains OFF & Battery ON)
Voltage Range - Automatic Set¹ 27.7–36Vdc 37–48Vdc
Max Continuous Current (IR+IBATT) 12A 10A
Max Current for 60s 15A 15A
Max Current for 30s 17.5A 17.5A
Max Current for 5s < 20A < 20A
Time Buffering for Backup 30 s up to ∞
Start from Battery with no mains (LVD overide) Yes (via push button) 
Quiescent Current < 90mA
Signal Output/Input
Standby / Backup Change-over relay contact, M terminals
Common Fault Change-over relay contact, F terminals
Rectifier failure Change-over relay contact, S terminals
Full set of monitor and alarm visual signals Flashing code on 3, Three-color LEDs
Modbus data link Dual RJ45 connector
Climatic Data
Operating Ambient Temperature (TA) -25 up to +70°C
Relative Humidity, no condensation @ 25°C max 95%
Storage Temperature -40 up to +85°C
Cooling Natural Convection
General Data
Efficiency (Typ.) >91%          >91%
Temperature Derating Factor¹ 2.5 %/°C, TA > 50°C
Altitude Derating Factor¹ 0.5°C/100 m, above 2000 m
Insulation Voltage (In/Out) 4 kVac
Insulation Voltage (In/PE) 2 kVac
Insulation Voltage (Out/PE) 500 Vdc
Insulation Resistance (500 V) > 100 MΩ
Protection Class (EN/IEC 60529) IP 20
Pollution Degree Environment 2
Dimensions (W x H x D) 80 x 130 x 126 mm
Weight 0.9 kg
Commercial Data
Weight per unit, including packing 1.0 kg
Dimensions per unit, including packing 85 x 138 x 134 mm
Volume per unit, including packing 0.0014 m³
Custom Tarif HS 85044055
Country of origin Italy
Insulation Voltage (Out/PE) 500 Vdc
Insulation Resistance (500 V) > 100 MΩ
Protection Class (EN/IEC 60529) IP 20
Pollution Degree Environment 2
Dimensions (W x H x D) 80 x 130 x 126 mm
Weight 0.9 kg
Datasheet_DSH-DCU300M48S-R0-DM21.pdf

Find the Right Model

Model Number Input Voltage (Vac) Output Voltage (Vdc) Output Current (A)
product variant DCU300M3648S 115/230/277Vac (85-305Vac) 36 / 48Vdc (Switch Selectable) Nom. 36Vdc = 6A / Nom. 48Vdc = 5A

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