The MBC350 Series of open frame medical power supplies feature a
wide universal AC input range of 90 – 264 VAC, offering 350 W of
output power in a compact 3 x 5 x 1 inch 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 5 x 1 Inch Form Factor
350 W with Forced Air Cooling & 200 W with Convection Cooling
Approved to EN/IEC 60601-1
Efficiencies up to 94%
-40 to 70°C Operating Temperature
12 V / 0.5 A Fan Output, Thermal Shut-Down Feature
2.56 Million Hours, Telcordia -SR332-Issue 3 MTBF
Standby Power < 0.5 W
Medical (BF) Safety Approvals
RoHS Compliant
Diagnostic
Drug Pump
Dialysis
Home Health Care
Monitoring
Portable Equipment
2
MBC350 Series
DESCRIPTION
VOLTAGE
MAX. LOAD
(CONVECTION)
MAX. LOAD
(375 LFM)
MIN. LOAD
RIPPLE & NOISE
1
MODEL NUMBER
Specifications are for nominal input voltage, 25°C unless otherwise stated.
PARAMETER
Input Voltage
Input Frequency
Input Current
No Load Power
Inrush Current
Leakage Current
Power Factor
Switching Frequency
115 VAC:
230 VAC:
Typical
115 VAC:
230 VAC:
264 VAC:
Typical
Touch Current
Full Load
PFC:
PWM:
DESCRIPTION / CONDITION
Universal
(Derate from 100% at 100 VAC to 90% at 90 VAC)
SPECIFICATION
90-264 VAC / 390 VDC
47 - 63 Hz
3.6 A max.
1.8 A max.
>0.5 W
25 A
45 A
75 A
300 uA
<100 uA
>0.95
70 - 130 KHz
50 - 80 KHz
tech.support@psbel.com
MBC350 Series
PARAMETER
Output Power
Efficiency
Hold-up Time
Line Regulation
Load Regulation
Transient Response
Voltage Adjustment
Rise Time
Set Point Tolerance
Over Current Protection
Over Voltage Protection
Short Circuit Protection
Hiccup mode / Auto Recovery
Hiccup mode / Auto Recovery
Hiccup mode / Auto Recovery
Typical
50-100% step load change, at 0.1A/uS slew rate,
50% duty cycle, 50 Hz = 5% ,
DESCRIPTION / CONDITION
With 375 LFM:
Convection:
48 V, 58 V:
24 V, 30 V:
12 V, 15 V:
Full Load:
Convection Load:
SPECIFICATION
350 W
200 W
94%
93%
92%
8 ms typical
14 ms typical
+/-0.5%
+/-1%
recovery time < 5 ms
+/-3%
55 ms
+/-1%
>110%
110 to 140%
3
PARAMETER
Operating Temperature
Storage Temperature
Cooling
Altitude
Humidity
Reliability
DESCRIPTION / CONDITION
Startup guaranteed, with spec deviation, see Fig. 1
With 375 LFM forced air cooling at 100 to 264 VAC:
With natural convection cooling at 100 to 264 VAC:
Operating:
Non-operating:
Non Condensing
MTBF according to Telcordia - SR332-Issue 3
SPECIFICATION
-40 to +70°C
-40 to 0°C
-40 to 85° C
350 W
200 W
16,000 ft.
40,000 ft.
5% to 95%
2.56 million hours
Conducted Emissions
Static Discharge
RF Field Susceptibility
Fast Transients/Bursts
Radiated Emissions
Surge Susceptibility
Harmonic Current
AC Flicker
EN55022-B, CISPR22-B, FCC PART15 – B
EN61000-4-2:
EN61000-4-3:
EN61000-4-4:
Radiated:
Radiated with external core:
(King core K5B RC 25x12x15-M in input cable with 5 Turns)
EN61000-4-5:
EN61000-3-2:
EN61000-3-3:
Level-3
Level-3
Level-3
Level A
Level B
Level-3
Class D
Pass
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00561_AE
© 2017 Bel Power Solutions & Protection
4
MBC350 Series
Isolation Voltage
Protection Level
Safety Standard(s)
Agency Approvals
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)
Primary to Secondary:
Primary to Earth:
Secondary to Earth:
Approved to the latest edition of the following standards:
CSA/UL60601-1, EN60601-1 and IEC60601-1.
Nemko, UL, C-UL
4000 VAC
1500 VAC
1500 VAC
500 VAC
2 MOPP
1 MOPP
1 MOPP
CE mark
Complies with LVD Directive
Figure 1. Derating Curves
tech.support@psbel.com
MBC350 Series
CONNECTOR
AC Input Connector
PIN
J1
Screw Terminal
(Option 1)
Molex Connector
(Option 2)
Aux (Fan) Output
Earth
J3
J4
DESCRIPTION / CONDITION
Pin 1
Pin 2
Pin 3
Pin 1
Pin 2
Pin 1,2,3,4
Pin 5,6,7,8
Pin 1
Pin 2
AC Line
Not Fitted
AC Neutral
V1 +VE
V1 - VE
V1 +VE
V1 - VE
FAN +VE
FAN -VE
MANUFACTURER / PN
Molex: 26-60-4030
Mating: 09-50-3031; Pins: 08-50-0106
6-32 inches Screw Pan HD
Mating: 16 AWG wire crimped to Ring
Tongue Terminal AMP: 8-31886-1
Molex: 26-60-4080
Mating: 09-50-3081; Pins: 08-50-0106
AMP :640456-2
Mating: 640440-2
Molex: 19705-4301
Mating: 19003-0001
5
DC Output Connector
J2
Weight
Dimensions
300 g
76.2 x 127.0 x 25.4 mm (3 x 5 x 1 inch)
Figure 2. Mechanical Drawing - Screw Terminal (Option 1)
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00561_AE
© 2017 Bel Power Solutions & Protection
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