Modules

Buffer Modules

24V / DRB-24V020ABA

Highlights & Features

  • Full corrosion resistant Aluminium chassis
  • Long minimum buffering time of 250ms @ 24V/20A
  • Can connect in parallel to increase buffering time
  • Charging time of < 30 seconds
  • Conformal coating on PCBA to protect against chemical and dust pollutants
  • Designed for Class I Div. 2 Hazardous Locations environments (DRB-24V020ABA)
  • IP20 Compliant
  • Overvoltage / Overcurrent / Short Circuit Protections
  • Meets worldwide safety requirements
  • RoHS Directive 2011/65/EU Compliant
  • Reliable design, with expected life of 10 years


Dimensions (L x W x D) : 
121 x 70 x 120.1 mm
4.76" x 2.76" x 4.73"
Unit Weight : 
0.76 kg (1.68 lb)
Tags : DRB-24V020ABN
Nominal Output Voltage
24V
Output Current
20A
Output Voltage Adjustment Range
Switch = “Fix 22V” Buffering starts if terminal voltage falls below 22V
Factory Setting, Switch = “Vin-1V” Buffering starts if terminal voltage is decreased by > 1V
Buffering Time
250ms Min @ 24V/20A Load, > 5sec Min @ 24V/1A Load
PARD
< 200mVpp @ 25°C during Buffering Mode
Parallel Connection
1
Nominal Input Voltage
24Vdc
Max Input Voltage
35Vdc
DC Input Voltage Range
22.8-28.8Vdc
Input Current
Charging Mode : < 0.6A
Discharging Mode : 20A Max
Input Power (Standby Mode)
2.5W Average
Max Inrush Current
< 20A
Charging Time
< 30sec
Dimensions
121 x 70 x 120.1 mm
4.76" x 2.76" x 4.73"
Unit Weight
0.76 kg (1.68 lb)
Case Chassis / Cover
Aluminium
Cooling System
Convection
Operating Temperature
-25°C to +75°C
Storage Temperature
-25°C to +85°C
Power De-rating
> 70°C de-rate power by 5% / °C
Operating Humidity
< 95% RH (Non-Condensing)
Shock Test (Non-Operating)
IEC60068-2-27, 30G (300m/S²) for a duration of 18ms
Vibration Test (Non-Operating)
IEC60068-2-6, 10Hz to 500Hz @ 30m/S² (3G peak); 60 min per axis for all X, Y, Z direction
Overvoltage
32V ±10%
Overload / Overcurrent
30A Max
Short Circuit
No Damage
Degree of Protection
IP20
Protection Against Shock
Class I with Primary Earth connection
MTBF
> 800,000 hrs. as per Telcordia SR-332 at Standby Mode (Buffer Module in Ready State)
Electrical Safety
SIQ: EN 60950-1
UL/cUL recognized: UL 60950-1 and CSA C22.2 No. 60950-1 (File No. E191395)
CB scheme: IEC 60950-1
CE
In conformance with EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU
For DRB-24V020ABA:
In conformance with Equipment for explosive atmospheres (ATEX) directive 2014/34/EU
Galvanic Isolation
Input & Output to Ground: 1.5KVac
Signal to Ground: 1.5KVac
Industrial Control Equipment
UL/cUL listed U: UL 508 and CSA C22.2 No. 107.1-01 (File No. E315355)
CSA: CSA C22.2 No. 107.1-01 (File No. 181564)
Hazardous Location / ATEX
(For DRB-24V020ABA)
cCSAus: CSA C22.2 No. 213-M1987, ANSI / ISA 12.12.01:2007 [Class I, Division 2, Group A, B, C, D T4, Ta= -25°C to +75°C (> +70°C derating)]
II 3 G ATEX 2014/34/EU
(For DRB-24V020ABA)
ATEX: EN 60079-0:2009, EN 60079-15:2010 [ II 3G Ex nA IIC T4 Gc, Ta= -25°C to +75°C (> +70°C derating)]
Certificate No. EPS 12 ATEX 1 491 X
Electrical Equipment for Use in Electrical Power Installations
EN 50178 / IEC 62103
Material and Parts
RoHS Directive 2011/65/EU Compliant
Emission
(CE & RE)
CISPR32, EN55032, EN55011, FCC Title 47: Class B, EN61204-3
Immunity
EN 55024, EN 61000-6-2

Documents

Datasheet Uploaded on 24-Dec-2018 1.5 MB
.DXF Uploaded on 13-Jul-2015 346 KB
Manual Uploaded on 18-Nov-2016 1.6 MB
Mechanical Drawing Uploaded on 13-Jul-2015 54 KB
.STP Uploaded on 21-Jul-2015 2.3 MB
Image Uploaded on 03-Nov-2016 154 KB

Certificates

ATEX Uploaded on 20-Nov-2017 1.0 MB
CB Uploaded on 26-Aug-2016 917 KB
CE Uploaded on 30-Mar-2017 51 KB
CSA Uploaded on 20-Nov-2017 168 KB
EAC Uploaded on 27-Mar-2019 1.1 MB
Hazloc Uploaded on 13-Jul-2015 153 KB
REACH Uploaded on 18-Dec-2018 545 KB
RoHS Uploaded on 18-Dec-2018 380 KB
SIQ Uploaded on 26-Aug-2016 2.1 MB
UL Uploaded on 21-Jul-2015 68 KB

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