PSMBU250 SERIES
250 Watts
AC/DC Medical Open Frame Pow er Supplies
Single Output
Rev A
FEATURES
• Cl ass I
• RoHS2 Compliant
• Wide Input VoltageRange: 90~264VAC
• Short Circuit, Over Voltage, & Over Load Protection
• MeetsFCC Part-18, CISPR-11, and EN55011ClassB
Emission Limits
• High ESD Immunity
• Flammability Rating of UL94V-1
• Cooling by Free Air Convection
• 250 Watts Output Power
• Input to Output: 2MOPP
• Up to 94% High Efficiency
• IEC60601-1 Edition 3.1, ES60601-1:2005(R2012),
CSAC22.2 NO. 60601-1:14, andEN60601-
1:2006/A1:2013 Safety Approvals
• 100% Burn-in Tested
APPLICATIONS
• Patient Monitor
• Ultrasound System
• Portable Medical
Devices
DESCRIPTION
The PSMBU250seriesof class I medical AC/DC switching power supplies
provides250 Wattsof continuousoutputpower in a 5.00” x 3.00” x 1.46” open
frame package. Thisseriesconsists of single output modelswith a wide input
voltage range of 90~264VAC. Somefeaturesinclude highefficiency up to 94%,
2MOPP insulation, andshort circuit, over current and over loadprotection. All
modelsmeet FCC Part-18, CISPR-11, and EN55011ClassB emission limits.
Thisseries also has IEC60601-1 Edition 3.1,ES60601-1:2005(R2012),
CSAC22.2 NO. 60601-1:14, andEN60601-1:2006/A1:2013 safety approvals. All
modelsare RoHS2 compliant and have been 100% burn-intested.
Size: 5.00 x 3.00 x 1.46 inches
(127.0 x 76.2 x 37.1 mm)
• Blood Chemistry
Analyzer
• Medical Imaging
MODEL SELECTION TA BLE
Model Number
PSMBU250-105
PSMBU250-106
PSMBU250-107
PSMBU250-108
PSMBU250-109
PSMBU250-110
PSMBU250-111
Input Voltage Range Output Voltage Output Current
Ripple & Noise
120mVp-p
150mVp-p
190mVp-p
240mVp-p
300mVp-p
300mVp-p
300mVp-p
Efficiency Total Regulation Output Pow er
12VDC
15VDC
19VDC
24VDC
30VDC
36VDC
48VDC
20.83A
16.66A
13.15A
10.41A
8.33A
91%
92%
93%
94%
94%
94%
94%
±5%
±5%
±5%
±3%
±2%
±2%
±2%
90 ~ 260 VAC
250W
6.94A
5.20A
SPECIFICATIONS
All specif ications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserv e the right to change specif ications based on technological adv ances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
INPUT SPECIFICATIONS
Saf ety Approv al & Specif ication in Label
Operating Input Voltage Range
Sine Wav e
Low Line, 100VAC, f ull load
High Line, 240VAC, f ull load
Low Line, 100VAC, f ull load, 25°C, cold start
High Line, 240VAC, f ull load, 25°C, cold start
240VAC, f ull load
100
90
47
240
264
63
Input Voltage
Input Frequency
Input Current
VAC
Hz
A
3
1.5
75
150
1
Inrush Current
A
Power Factor Correction
No Load Consumption
OUTPUT SPECIFICATIONS
Output Voltage
0.90
0.21
W
See Table
Line Regulation(3)
Full load, Vin=100~120VAC or 200~240VAC
12-19VDC Model
24VDC Model
1
%
%
W
±5
±3
±2
Total Regulation(4)
30-48VDC Model
Output Power
250
Output Current
See Table
See Table
Ripple & Noise(5)
Hold-up Time(6)
110VAC, f ull load
16
ms
s
ms
Start-up Time
100~240VAC, full load
110VAC, Full load to half load
All Conditions
2
4
Transient Response Time
Temperature Coef f icient
PROTECTION
±0.04
%/°C
Ov er Voltage Protection
Over Load Protection
Short Circuit Protection
GENERAL SPECIFICATIONS
Efficiency
Recov ers automatically af ter fault condition is remov ed
Recov ers automatically af ter fault condition is remov ed
112
105
132
130
%
%
Automatic Recov ery
230VAC, f ull load
See Table
Primary to Secondary (Limit Current <10mA)
Primary to PE (Limit Current <10mA)
4000
1500
50
Dielectric Withstanding Voltage
VAC
Insulation Resistance
MΩ
Saf ety Ground Leakage Current
264VAC/63Hz
0.30
mA
Line-Neutral
Line-PE & Neutral-PE
1
2
Surge Voltage
kV
Wall Industries, Inc. • Tel: 603-778-2300 • Toll Free: 888-597-9255 •
website: www.wallindustries.com • e-mail: sales@wallindustries.com
7/16/2020
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