DDR-240B-48 Mean Well Barra DIN

DDR-240 series is a 240W DIN Rail type DC-DC converter with main features including DIN rail-type easy installation, ultra slim width (40mm), 2: 1  wide input voltage, fanless design -40~+70℃ wide operating temperature, 4KVdc I/O isolation, 150% peak load, current sharing, DC OK, adjustable output voltage and full protective functions. 
This series of models has various input options: 16.8~33.6V / 33.6~67.2V / 67.2~154V and two output options: 24V / 48V and can be used for industrial & railway control, security control, communication system and other fields. Suitable applications are DC buck/boost regulator, increasing system insulation level and voltage drop compensation along cable...etc.

Feature

• Compliance to EN50155 and EN45545-2 railway standard
• Width only 40mm
• 2:1 wide input range
• -40~+70℃ wide working temperature
• 150% peak load capability
• Current sharing up to 960W(3+1)
• DC output adjustable
• Cooling by free air convection
• Can be installed on DIN rail TS-35/7.5 or 15
• Protections: Short circuit / Overload / Over voltage / over temperature / Input reverse polarity / Input under voltage protection
• 4KVdc I/O isolation(Reinforced isolation)
• DC OK relay contact
• Remote ON-OFF control
• 3 years warranty

Applications

• Bus, tram, metro or railway system
• Industrial control system
• Semi-conductor fabrication equipment
• Factory automation
• Electro-mechanical
• Wireless network  
• Telecom or datacom system

Specifications

OUTPUT

DC VOLTAGE: 48V
RATED CURRENT: 5A
CURRENT RANGE: 0 ~ 5A
RATED POWER: 240W
PEAK CURRENT: 7.5A
PEAK POWER: 360W (3sec.)
RIPPLE & NOISE (max.): 100mVp-p
VOLTAGE ADJUSTMENT RANGE: 48 ~ 56V
VOLTAGE TOLERANCE: ±1.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±1.0%
SETUP, RISE TIME: 500ms, 60ms

INPUT

VOLTAGE RANGE CONTINUOUS: 16.8 ~ 33.6Vdc
VOLTAGE RANGE 100ms: 14.4 ~ 16.8Vdc
EFFICIENCY (Typ.): 90%
DC CURRENT (Typ.): 11.2A @24Vdc
INRUSH CURRENT (Typ.): 30A
INTERRUPTION OF VOLTAGE SUPPLY: EN50155:2007-B/C- type comply with S2 level (10ms)@ 70% load ; D-type comply with S2 level (10ms)@ full load
EN50155:2017-Comply with S1 level

PROTECTION

OVERLOAD: Normally works within 150% rated output power for more than 3 seconds and then constant current protection 105~135% rated output power with auto-recovery
 
OVER VOLTAGE: 57.6 ~ 65.0V
Protection type: Shut down o/p voltage, re-power on to recover
 
OVER TEMPERATURE: Shut down o/p voltage, re-power on to recover
 
UNDER VOLTAGE LOCKOUT: 24Vin (B - type): Power ON≥16.8V , OFF≤16.5V

FUNCTION

DC OK REALY CONTACT RATINGS (max.): 30Vdc/1A resistive load
CURRENT SHARING: Up to 960W  (3+1 units)

ENVIRONMENT

WORKING TEMP.: -40 ~ +70°C (Refer to "Derating Curve")
WORKING HUMIDITY: 5 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +85°C, 5 ~ 95% RH non-condensing
TEMP. COEFFICIENT: ±0.03%/°C (0 ~ 55°C) RH non-condensing
VIBRATION: Component: 10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting: Compliance to IEC61373
OPERATING ALTITUDE: 5000 meters

SAFETY & EMC

SAFETY STANDARDS: IEC 62368-1, UL 62368-1, EAC TP TC 004, AS/NZS 62368.1 approved
WITHSTAND VOLTAGE: I/P-O/P:4KVdc     I/P-FG:2.5KVdc     O/P-FG:0.71KVdc
ISOLATION RESISTANCE: I/P-O/P, I/P-FG, O/P-FG:>100M Ohms / 500Vdc / 25℃/ 70% RH
 
EMC EMISSION:
EN55032 Conducted: Class B
EN55032 Radiated: Class B
EN61000-3-3 Voltage Flicker
Harmonic Current
 
EMC IMMUNITY:
EN55024 , EN61000-6-2(EN50082-2)
EN61000-4-2 ESD: Level 3, 8KV air ; Level 3, 6KV contact; criteria A
EN61000-4-3 Radiated: Level 3, 10V/m ; criteria A
EN61000-4-4 EFT/Burst: Level 3, 2KV ; criteria A
EN61000-4-5 Surge: Level 3, 1KV/Line-Line ;Level 3, 2KV/Line-Line-FG ;criteria A
EN61000-4-6 Conducted: Level 3, 10V ; criteria A
EN61000-4-8 Magnetic Field: Level 4, 30A/m ; criteria A
 
RAILWAY STANDARD:
Compliance to EN45545-2 for fire protection ; Meet EN50155 / IEC60571 including IEC61373 for shock & vibration, EN50121-3-2 for EMC
 
MTBF: 484.9K hrs min. Telcordia SR-332 (Bellcore) ; 189.9K hrs min.   MIL-HDBK-217F (25°C)
DIMENSIONS: (WxHxD) 40 x 125.2 x 113.5 mm