The MBC120 Series of open frame medical power supplies feature a
wide universal AC input range of 85 V – 264 VAC, offering 120 W of
output power in a compact footprint, with a variety of isolated single
output voltages.
The MBC series is designed and approved to the latest Medical
standards (EN/IEC 60601-1), providing 2 x MOPP isolation for Class I
& Class II applications.
These power supplies are ideal for medical, telecom, datacom,
industrial equipment and other applications.
• 3 x 2 Inch Footprint
• 120 Watts with Forced Air Cooling
• Approved to EN/IEC 60601-1
• Efficiencies up to 93%
• -40 To 70°C Operating Temperature (85°C operating temperature
available on request)
• Dual Fusing
• Thermal Shut-Down Feature
• >3.00 Million Hours, Telcordia -SR332-Issue 3
• Standby Power < 0.3 W
• Class II Option Available
• RoHS Compliant
• CE Marked
• Diagnostic
• Drug Pump
• Dialysis
• Home Health Care
• Monitoring
• Portable Equipment
2
MBC120 Series
tech.support@psbel.com
12 V
8.33 A
10.0 A
0.0 A
1%
15 V
6.66 A
8.0 A
0.0 A
1%
24 V
4.16 A
5.0 A
0.0 A
1%
30 V
3.33 A
4.0 A
0.0 A
1%
48 V
2.08 A
2.5 A
0.0 A
1%
58 V
1.72 A
2.07 A
0.0 A
1%
COVER-120-XBC3 metal cover kit accessory
Specifications are for nominal input voltage, 25°C unless otherwise stated.
Input Voltage
Universal (see derating under output power)
85-264 VAC / 390 VDC4
Input Frequency
47-63 Hz
Input Current
115 VAC:
230 VAC:
1.2 A max.
0.65 A max.
No Load Power
Typical
< 0.3 W
Inrush Current
115 VAC:
230 VAC:
264 VAC:
25 A
45 A
75 A
Leakage Current
Typical (N.A. For Class II Option)
Touch current
300 uA
<100 uA
Power Factor
@ Full Load, Active PFC
> 0.95
Switching Frequency
Typical
60 KHz
1
For Class II Option (without input Earth pin) add suffix: -2 (e.g.: MBC120-1012L-2).
2
Ripple is peak to peak with 20 MHz bandwidth and 10 μF (Tantalum capacitor) in parallel with a 0.1 μF capacitor at rated line voltage
and load ranges.
3
When used in Cover Kit, de-rate output power to 70 % under all operating conditions
4
Functional, not approved.
MBC120 Series
3
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
© 2019 Bel Power Solutions & Protection
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Output Power
Forced cooling (with 300 LFM):
Convection cooling (for input 100-264 VAC, de-rate linearly
to 80 W @ 85 VAC):
120 W
100 W
Efficiency
48 V, 58 V:
24 V, 30 V:
12 V, 15 V:
93%
91%
90%
Hold-up Time
Typical
>10 ms
Line Regulation
+/-0.5%
Load Regulation
+/-1%
Transient Response
25% step load change, at 0.1A/uS slew rate,
50% duty cycle, 50 Hz = 4%
recovery time < 5 ms
Voltage Adjustment
+/-3%
Rise Time
Typical
55 ms
Set Point Tolerance
+/-1%
Over Current Protection
> 110%
Over Voltage Protection
Latch type (AC recycling required)
110 to 140%
Short Circuit Protection
Hiccup mode
Operating Temperature5
Startup guaranteed (derate linearly above 50°C to 70°C as per Fig 1)
-40 to +70°C *
-40 to 0°C
Storage Temperature
-40 to +85°C
Cooling
Forced: with 300 LFM (Refer to Mech. Drawing)
Convection: for input 100-264 VAC
(derate linearly to 80 W @ 85 VAC)
120 W
100 W
Relative Humidity
Noncondensing
5% to 95%
Altitude
Operating:
Nonoperating:
16,000 ft
40,000 ft.
Reliability
MTBF according to Telcordia –SR332-Issue 3
3.00 million hours
* 85°C operating temperature available on request.
Conducted Emissions
EN 55011-B, CISPR22-B, FCC PART15-B
Pass
Radiated Emissions
EN 55011 A;
with external core (King core K5B RC 25x12x15-M in input cable)
Pass
Level B
Input Current Harmonics
EN 61000-3-2
Class D
Voltage Fluctuation and Flicker
EN 61000-3-3
Pass
ESD Immunity
EN 61000-4-2
Level 4, Criterion A
Radiated Field Immunity
EN 61000-4-3
Level 3, Criterion A
Electrical Fast Transient Immunity
EN 61000-4-4
Level 3, Criterion A
Surge Immunity
EN 61000-4-5
Level 3, Criterion A
Conducted Immunity
EN 61000-4-6
Level 3, Criterion A
Magnetic Field Immunity
EN 61000-4-8
Level 4, Criterion A
Voltage Dips, Interruptions
EN 61000-4-11
Criterion B
5
Output ripple can be more than 10% of the output voltage.
4
MBC120 Series
tech.support@psbel.com
Isolation Voltage
Input to Output: (For medical applications)
Input to GND: (Not Applicable For Class II Option)
Output to GND: for type BF
for type B (N/A For Class II Option)
4000 VAC
1500 VAC
1500 VAC
500 VAC
Protection Level
Primary to Secondary:
Primary to Earth:
Secondary to Earth:
2 MOPP
1 MOPP
1 MOPP
Safety Standard(s)
Approved to the latest edition of the following
standards: CSA/UL60601-1, EN60601-1 and IEC60601-
1.
Agency Approvals
Nemko, cULus, CB
CE mark
Complies with LVD Directive
Convection load: 100 W up to 50 °C
De-rate above 50 °C @ 2.5% per °C
Up to 85°C operating temperature
Forced air cooled load: 120 W up to 50°C
De-rate above 50 °C @ 2.5% per °C
Up to 85°C operating temperature
Figure 1. Derating Curve
AC Input Connector
J1
Pin 1
Pin 2
Pin 3
AC Line
Not Fitted
AC Neutral
Screw Terminal (Option 1)
Molex: 39357-0003
Tyco-2-1776112-3
Molex Header (Option 2)
Molex: 1722861103
(Mating conn: Molex 1722561003)
DC Output Connector
J2
Pin 1, 2
Pin 3, 4
V1 -VE
V1 +VE
Screw Terminal (Option 1)
Molex: 39357-0004
Tyco-2-1776112-4
Molex Header (Option 2)
Molex: 1722861104
(Mating conn: Molex 1722561004)
Weight
150 g
Dimensions
76.2 x 50.8 x 30.1 mm (3 x 2 x 1.18 inch)
MBC120 Series
5
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
© 2019 Bel Power Solutions & Protection
BCD.00667_AD
Figure 2. Mechanical Drawing - Screw Terminal (Option 1)
Figure 3. Mechanical Drawing - Molex Header (Option 2)
NOTES: In case the PCB is mounted in a metal enclosure, using metal hardware ensure the following:
1 Stand off, used to mount PCB has OD of 5.4 mm max.
2 Screws, used to fix PCB on stand off, have head dia of 6.0 mm max.
3 Washer, if used, to have dia of 6.5 mm max.
NUCLEAR AND MEDICAL APPLICATIONS - Products are not designed or intended for use as critical components in life support systems,
equipment used in hazardous environments, or nuclear control systems.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.