AC/DC Power Supplies

Delta Electronics CliQ II DRR SERIES AC/DC Power Supply

Delta's DRR Series introduces the latest in power supply redundancy modules, designed for 24V to 48Vdc systems up to 40A. These modules ensure uninterrupted power with two channel inputs and dual DC OK LED indicators. They also feature a wide input voltage range, voltage alarm relay outputs, and a corrosion-resistant conformal coating. Ideal for critical systems requiring reliable redundancy, the DRR Series offers versatile support for parallel power supply configurations.

Features

  • 24V to 48Vdc - 20A & 40A Redundancy module
  • 2 Channel Inputs
  • 2 x DC OK LED indicator signal
  • Voltage alarms relay output
  • Wide Input 22-60Vdc
  • Conformal coating corrosion resistant
Specifications
INPUT
Nominal Input voltage 24V / 48Vdc
Input voltage range 22 - 60Vdc
Input current DRR-20: 20A Max
DRR-40: 40Max
OUTPUT
Output voltage 24 / 48Vdc
Vin - 0.65Vdc drop
Output current DRR-20: 20A Max
DRR-40: 40Max
Short Circuit Over Load Limit DRR-20: 25A
DRR-40: 50A
Efficiency > 97% typ.
STANDARDS AND APPROVALS
Electrical Equipment IEC60204-1 (Over Voltage Category III)
Electrical Safety UR/cUR recognized to UL60950-1, AIQ BG to EN60950-1, CB test certificate and report to IEC60950-1 and CE
Industrial Control Equipment UL/cUL listed to UL508
Hazardous Location / ATEX cCSAus to CSA C22.2 No.213-M1987, ANSI / ISA 12.12.01:2007 [Class I, Division 2, Gr oup A,B,C,D T4, Ta = -40°C to +80°C (> +50°C derating)] EN60079-0:2009, EN60079-15:2010 [ExII 3G Ex nA nC IIC T4 Gc, Ta = -40°C to +80°C (> +50°C derating)]
CE Conformance with EMC guideline 2004/108/EC and for low voltage guideline 2006/95/EC For DRR-20A and DRR-40A: In conformance with Equipment for explosive atmospheres (ATEX) directive 94/9/EC
Electronic Equipment EN50178 / IEC62103
Safety Entry Low Voltage PELV (EN60204), SELV (EN60950)
RoHS Compliant RoHS Directive 2011/65/EU Compliant
Protection Against Electric Shock DIN 57100-410
ENVIRONMENTAL
Operating Temperature -40°C to +80°C
De-rating > 50°C derate 2.5%/°C linearly to 70°C
Humidity 95%RH (Non condensing)
PROTECTION
Overload The overload condition must be controlled by The PSUs in parallel; The limit of input current would not more than 25A (For 20A module) or not more than 50A (For 60A module).
MTBF >800,000hrs , as per Bellecore std, or IEC61709
Isolation voltage Input - PE; 1.5KVAC
Output - PE; 1.5KVAC
Degree of protection IP20
Class of protection Class II with PE connection
ALARMS AND INDICATORS
Indicators DC Input OK: V in1 OK and V in2 OK (Green LED) 24V System; LED turns on when Vin1 & Vin2 > 18V ±5%, and not more than 30V 48V System; LED turns on when Vin1 & Vin2 > 36V ±5% and not more than 60V Outside these ranges the LED will turn OFF
Input Voltage Alarm / Relay Contacts 24V system: Vin1 & Vin2, >18V ± 5% or <30V
48V system: Vin1 & Vin2, >36V ± 5% or <60V
MECHANICAL
Case Cover Aluminium
Dimensions/Weight 121 x 50 x 122mm, 375g
121 x 50 x 122mm, 515g
Mounting Rail TS35 DIN Rail in accordance with EN60715
Technical Illustrations
Downloads
Datasheet_DRR-20A-40A.pdf
INPUT
Nominal Input voltage 24V / 48Vdc
Input voltage range 22 - 60Vdc
Input current DRR-20: 20A Max
DRR-40: 40Max
OUTPUT
Output voltage 24 / 48Vdc
Vin - 0.65Vdc drop
Output current DRR-20: 20A Max
DRR-40: 40Max
Short Circuit Over Load Limit DRR-20: 25A
DRR-40: 50A
Efficiency > 97% typ.
STANDARDS AND APPROVALS
Electrical Equipment IEC60204-1 (Over Voltage Category III)
Electrical Safety UR/cUR recognized to UL60950-1, AIQ BG to EN60950-1, CB test certificate and report to IEC60950-1 and CE
Industrial Control Equipment UL/cUL listed to UL508
Hazardous Location / ATEX cCSAus to CSA C22.2 No.213-M1987, ANSI / ISA 12.12.01:2007 [Class I, Division 2, Gr oup A,B,C,D T4, Ta = -40°C to +80°C (> +50°C derating)] EN60079-0:2009, EN60079-15:2010 [ExII 3G Ex nA nC IIC T4 Gc, Ta = -40°C to +80°C (> +50°C derating)]
CE Conformance with EMC guideline 2004/108/EC and for low voltage guideline 2006/95/EC For DRR-20A and DRR-40A: In conformance with Equipment for explosive atmospheres (ATEX) directive 94/9/EC
Electronic Equipment EN50178 / IEC62103
Safety Entry Low Voltage PELV (EN60204), SELV (EN60950)
RoHS Compliant RoHS Directive 2011/65/EU Compliant
Protection Against Electric Shock DIN 57100-410
ENVIRONMENTAL
Operating Temperature -40°C to +80°C
De-rating > 50°C derate 2.5%/°C linearly to 70°C
Humidity 95%RH (Non condensing)
PROTECTION
Overload The overload condition must be controlled by The PSUs in parallel; The limit of input current would not more than 25A (For 20A module) or not more than 50A (For 60A module).
MTBF >800,000hrs , as per Bellecore std, or IEC61709
Isolation voltage Input - PE; 1.5KVAC
Output - PE; 1.5KVAC
Degree of protection IP20
Class of protection Class II with PE connection
ALARMS AND INDICATORS
Indicators DC Input OK: V in1 OK and V in2 OK (Green LED) 24V System; LED turns on when Vin1 & Vin2 > 18V ±5%, and not more than 30V 48V System; LED turns on when Vin1 & Vin2 > 36V ±5% and not more than 60V Outside these ranges the LED will turn OFF
Input Voltage Alarm / Relay Contacts 24V system: Vin1 & Vin2, >18V ± 5% or <30V
48V system: Vin1 & Vin2, >36V ± 5% or <60V
MECHANICAL
Case Cover Aluminium
Dimensions/Weight 121 x 50 x 122mm, 375g
121 x 50 x 122mm, 515g
Mounting Rail TS35 DIN Rail in accordance with EN60715
Datasheet_DRR-20A-40A.pdf

Find the Right Model

Model Number Input Voltage (Vac) Output Voltage (Vdc) Output Current (A)
product variant DRR-20A 22...60Vdc 24Vdc 20A
product variant DRR-40A 22...60Vdc 24Vdc 40A

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