DTMB400 SERIES
400 Watts
AC/DC ITE & Medical Desktop Power Supplies
Single Output
Rev A
FEATURES
• Input Voltage Range of 90-264VAC
• 3-Pin IEC320-C14, Class I AC Inlet
• Touch Current Less than 100uA
• 2xMOPP Between Primary to
Secondary
• Short Circuit, Over Load, Over Voltage, Over
Temperature Protection
• RoHS Compliant
• UL/cUL 60601-1, TUV EN 60601-1, CB IEC
60601-1, UL/cUL UL 62368-1, TUV EN
62368-1, and CB IEC 62368-1 Safety
Standards
• Suitable BF Application with
Appropriate System Consideration
DESCRIPTION
The DTMB400 series of AC/DC desktop power supplies offers 400 watts of output power
in a 8.74” x 4.4” x 1.77” package. This series consists of single output models with an
input voltage range of 90-264VAC a 3-pin IEC320-C14 ac inlet. Each model in this series
is RoHS compliant and has short circuit, over load, over voltage, and over temperature
protection. This series also has UL//cUL 60601-1, TUV EN 60601-1, CB IEC 60601-1,
UL/cUL UL 62368-1, TUV EN 62368-1, and CB IEC 62368- safety approvals.
Size: 8.74in x 4.4in x 1.77in
(222mm x 112mm x 45mm)
MODEL SELECTION TABLE
Peak Power (3s)
115VAC 230VAC
Output
Regulation
±5%
Efficiency
Level
Model Number Input Voltage Range Output Voltage Output Current Ripple & Noise(1)
Output Power
DTMB400-12S
DTMB400-19S
DTMB400-24S
DTMB400-28S
DTMB400-48S
12V
19V
24V
28V
48V
31.66A
21.05A
16.66A
14.28A
8.33A
120mVp-p
190mVp-p
240mVp-p
300mVp-p
300mVp-p
380W
400W
400W
400W
400W
±5%
±5%
±5%
±5%
90-264VAC
480W
520W
VI
SPECIFICATIONS
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
INPUT SPECIFICATIONS
Input Voltage Range
Input Frequency
90
47
264
63
VAC
Hz
@115VAC, Cold Start @25ºC
@230VAC, Cold Start @25ºC
@115VAC
@230VAC
@115VAC, Full Load
@230VAC, Full Load
35
70
4.2
2.1
Inrush Current
Input Current (rms)
Power Factor
A
A
0.95
0.90
No Load Input Power
OUTPUT SPECIFICATIONS
Output Voltage
Output Regulation
Output Power
0.5
W
W
See Table
See Table
380/400
Convection Cooling
Output Current
See Table
See Table
>10
Ripple & Noise(2)
Hold-Up Time
Touch Current
@Full Load, 115VAC
@264VAC
mS
uA
100
PROTECTION
Short Circuit Protection
Over Load Protection
Over Voltage Protection
Over Temperature
Automatic Recovery
Automatic Recovery
Automatic Recovery
Automatic Recovery
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Altitude During Operation
MTBF
Refer to derating curve
-20
-20
10
0
+60
85
95
95
5000
ºC
ºC
%
%
m
Non-Condensing
Non-Condensing
Non-Condensing
Medical
@Full Load and 25ºC ambient temperature based on Bellcore TR-332
230,000
hours
GENERAL SPECIFIATIONS
Average Efficiency, 115/230VAC
@80% Full Load, 230VAC
87.5
92
Efficiency
%
Wall Industries, Inc. • Tel: 603-778-2300 • Toll Free: 888-597-9255 •
website: www.wallindustries.com • e-mail: sales@wallindustries.com
10/27/2022
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