TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
MDS-400AUS24 BA
400AUS
Highlights & Features
Compliant to IEC 60601-1 3rd edition
IT and medical safety approvals
Low earth leakage current (<0.1mA)
Overload, over voltage, over temperature and short circuit
protections
– Risk management report available
–
–
–
–
Safety Standards
CB Certified for worldwide use
Model Number:
MDS-400AUS24 BA
Unit Weight:
0.91kg
Dimensions (W x L x H):
97x198x41.5 mm
General Description
The MDS series of embedded power supply comes with universal AC input at 90Vac to 264Vac. Other features include
low earth leakage, risk management report available and the electric shock protection comply with 2 x MOPP. The MDS
series is certified for EMC standards according to EN 55011 for industrial, scientific and medical (ISM) radio-frequency
equipment and EN 55022 for Information Technology Equipment (ITE) radio-frequency equipment. In addition, only
recognized Japanese capacitors are used.
The MDS series come with both medical and ITE safety approvals including UL/CSA/CQC /CE and CB certification and
are fully compliant with RoHS Directive 2011/65/EU for environmental protection.
Model Information
Medical AC-DC Open Frame
Model Number
Input Voltage Range
Output Voltage
Conversion
Current Output
12.5A
Forced Air
Current Output
16.67A*
MDS-400AUS24 BA
*16.67A with 200LFM force air
90-264Vac
24Vdc
Model Numbering
MDS
Delta Medical
power Supply
400
Max wattage in
the product
Series.
Maybe lower
at some voltage.
060 → 60W
120 →120W
1K2 → 1,200W
A
Family Code
A½ Z
U
Product Type
P: Open Frame
S
Output Code
S: Single Output
2: Dual Output
3: Triple Output
4: Four Output
5: More than
Five Output
24
Output Voltage
Single Output:
- 03 for 3.3V
- 05 for 5V
- 12 for 12V
Multiple Output:
Serial Number
00 to 99
B
Input Connector code
A: Class II, STD Connector
B: Class I, STD Connector
A
Output Connector code
A: STD Connector
1
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (July 2013, Rev. 00)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
MDS-400AUS24 BA
Specifications
Input Ratings / Characteristics
Nominal Input Voltage
Input Voltage Range
Nominal Input Frequency
Input Frequency Range
Input Current (max)
Efficiency (typ.)
Standby Power (max)
Inrush Current (typ.)
Earth Leakage Current (max)
1) NC: normal condition
2) SFC: single fault condition
100-240Vac
90-264Vac
50-60Hz
47-63Hz
5.5A @ 90Vac, 2.7A @ 264Vac
91.2%, Reference
Fig.1
1.2W
60A @ 115Vac, 60 A @ 230Vac
0.1mA @ 240Vac NC , 0.3mA @ 264Vac SFC
1)
2)
Fig.1 Efficiency versus output load
Output Ratings / Characteristics
Nominal Output Voltage
Output Voltage Tolerance
Output Current
Output Power
Line Regulation (max)
Fan Supply
Remote Sense
Ripple & Noise (typ.)
Hold-up Time (min)
24Vdc
± 2%
16.67A with 200LFM force air, 12.5A for convection
400W with 200LFM force air, 300W for convection
±0.5%
12V 0.25A
Compensates for up to 500mV voltage drop
121.6mV pk-pk @ Full load, Reference Fig. 2,
12ms @ 115Vac
2
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (July 2013, Rev. 00)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
MDS-400AUS24 BA
(a) 115V
Fig. 2 Ripple & Noise example, 20MHz BW
(b) 230V
Ripple & Noise measurement circuit
Mechanical
Case Chassis
Case Cover
Dimensions (W x Lx H)
Unit Weight
Power de-rating curve
Terminal
Wire
Input
Output
AL1100F(+Anode)
NA
97.0x198.0x41.5 mm(3.8x7.8x1.6 in)
0.91kg
See Fig. 3 (400W with forced air flow)
DECA T33-BM1103A301
DECA T33-BM1104A301
NA
Environment
Surrounding Air Temperature
Power De-rating
Operating Humidity
Operating Altitude
Shock Test (Non-Operating)
Vibration (Operating)
Operating
Storage
-10°C to +70°C
-40°C to +85°C
-10°C to +50°C 100% load
50°C to 70°C with load de-rate power
10-95% RH (Non-Condensing)
3,000 meters
50G, 11ms, 3 shocks for each direction
5-500Hz, 2.09Grms, 20 minute for each three axis
3
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (July 2013, Rev. 00)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
MDS-400AUS24 BA
Protections
Overvoltage (max)
Over load / Over current (max)
Over Temperature
Short Circuit
Protection Against Shock
*PE: Protective Earth
150%, Latch Mode
150% of rated load current, Hiccup Mode,
(Non-Latching, Auto-Recovery)
Latch Mode,
Hiccup Mode,
(Non-Latching, Auto-Recovery)
Class I with PE* connection
Reliability Data
MTBF
1998 kHrs based on Telecordia SR-332
Safety Standards / Directives
Electrical Safety
IEC60601-1: (Ed.3,2005), EN0601-1:2006, CAN/CSA-
C22.2 No. 60601-1:08, ANSI/AAMI ES60601-1:
(Ed.3,2005)
IEC60950-1 (Ed.2,2005), GB4943.1-2011, GB9254-
2008, GB17625.1-2003
ITE
CE
Material and Parts
Galvanic Isolation
Input to Output
Input to Ground
Output to Ground
MDD Directive 93/42/EEC
RoHS Directive 2011/65/EU Compliant
4000 Vac
1500 Vac
500 Vac
4
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (July 2013, Rev. 00)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
MDS-400AUS24 BA
EMC
EMC / Emissions
Immunity to
Voltage Flicker
Electrostatic Discharge
IEC61000-3-3
IEC61000-4-2
Level 3 Criteria A
Air Discharge: 8kV
Contact Discharge: 6kV
Level 3 Criteria A
2kV
1)
1)
EN55011, EN55022, FCC Title 47: Class B
Electrical Fast Transient / Burst
Surge
IEC61000-4-4
IEC61000-4-5
Level 3 Criteria A
2)
Common Mode : 2kV
3)
Differential Mode : 1kV
Level 2 Criteria A
150kHz-80MHz, 3Vrms
Criteria A
Magnetic field strength 3A/Meter
30% 10ms Criteria A ; 60% 100ms and 100% 5000ms
Criteria B
1)
1)
1)
Conducted
Power Frequency Magnetic Fields
Voltage Dips
1) Criteria A: Normal performance within the specification limits
2) Asymmetrical: Common mode (Line to earth)
3) Symmetrical: Differential mode (Line to line)
IEC61000-4-6
IEC61000-4-8
IEC61000-4-11
Block Diagram
5
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (July 2013, Rev. 00)
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