Specification Sheet

DRR Series
D E LTA D I N R A I L R E D U N D A N C Y M O D U L E
FEATURES
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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
RoHS Compliant
DIN Rail mounting
SPECIFICATIONS
INPUT
ENVIRONMENTAL
Input voltage
24V - 48Vdc
Operating Temperature
-40°C to +80°C
Input current
DRR-20: 20A Max
DRR-40: 40Max
De-rating
> 50°C derate 2.5%/°C linearly to 70°C
Humidity
95%RH (Non condensing)
OUTPUT
Output voltage
Output current
Short Circuit Over Load Limit
Efficiency
PROTECTION
24 - 48Vdc
Vin - 0.65Vdc drop
DRR-20: 20A Max
DRR-40: 40Max
DRR-20: 25A
DRR-40: 50A
> 97% typ.
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
STANDARDS & 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
ALARMS & 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
DC Input OK: V in1 OK and V in2 OK 24V system: Vin1 & Vin2, >18V ± 5% or <30V
(Green LED)
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
Protection Against Electric Shock DIN 57100-410
www.powerbox.com.au - 1800 251 380
www.powerbox.co.nz - 0800 104 480
Doc. No. DRR Rev.A 24-11-15
DRR Series
D E LTA D I N R A I L R E D U N D A N C Y M O D U L E
TECHNICAL ILLUSTRATIONS
DRR-40
DRR-20
APPLICATION
www.powerbox.com.au - 1800 251 380
www.powerbox.co.nz - 0800 104 480
Doc. No. DRR Rev.A 24-11-15