The MBC275 Series of ultra low open frame medical power supplies
feature a wide universal AC input range of 85 V
–
264 VAC, offering
275 W of output power with forced air cooling in 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.
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5 x 3 x 0.75 Inches Form factor
275 Watts with Forced Air Cooling
Approved to EN/IEC 60601-1
Efficiencies up to 92%
-40 to 70°C degree operating temperature
Dual fusing
12 V / 0.5 A Fan Output, Thermal Shut-Down feature
3.37 million Hours, Telcordia -SR332-issue 3 MTBF
Standby Power < 0.5 W
Medical (BF) Safety Approvals
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Diagnostic
Drug Pump
Monitoring
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Dialysis
Home Health Care
Portable Equipment
* Class II means without input Earth pin.
2
MBC275 Series
MBC275-1T12L
MBC275-1012L
MBC275-1T15L
MBC275-1015L
MBC275-1T24L
MBC275-1024L
MBC275-1T30L
MBC275-1030L
MBC275-1T48L
MBC275-1048L
MBC275-1T58L
MBC275-1058L
COVER-275-XBC
3
Screw Terminal
12 V
Molex Connector
Screw Terminal
15 V
Molex Connector
Screw Terminal
24 V
Molex Connector
Screw Terminal
30 V
Molex Connector
Screw Terminal
48 V
Molex Connector
Screw Terminal
58 V
Molex Connector
metal cover kit accessory
2.58 A
2.76 A
4.74 A
0.0 A
1%
3.12 A
3.33 A
5.73 A
0.0 A
1%
5A
5.33 A
9.17 A
0.0 A
1%
6.25 A
6.67 A
11.46 A
0.0 A
1%
10 A
10.66 A
18.33 A
0.0 A
2%
12.5 A
13.33 A
22.92 A
0.0 A
2%
Specifications are for nominal input voltage, 25°C unless otherwise stated.
Input Voltage
Input Frequency
Input Current
No Load Power
Inrush Current
Leakage Current
Power Factor
Switching Frequency
Universal
(Derate from 100% at 100 VAC to 72% for forced cooling
and 69% for convection cooling at 80 VAC)
115 VAC:
230 VAC:
Typical for MBC275-1XXX
Typical for MBC275-1XXX-PGPF
115 VAC:
230 VAC:
264 VAC:
Typical (N.A. For Class II Option - without input Earth pin)
Touch current
At full load
PFC
PWM
80-264 VAC / 390 VDC
47-63 Hz
2.6 A max.
1.3 A max.
< 0.5 W
< 0.85 W
25 A
45 A
75 A
300 µA
< 100 µA
> 0.95
70 to 130 kHz
50 to 80 kHz
1
2
For Class II Option (without input Earth pin) add suffix: -2 (e.g.: MBC275-1012L-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.
tech.support@psbel.com
MBC275 Series
3
Output Power
4
Efficiency
(
typical @ 230 VAC full load)
Hold-up Time
Line Regulation
Load Regulation
Transient Response
Voltage Adjustment
5
Rise Time
Set Point Tolerance
6
With 13 CFM forced air cooling
With natural convection cooling at 100 to 264 VAC
48 V, 58 V:
24 V, 30 V:
12 V, 15 V:
At 275 W:
At 160 W:
275 W
up to 160 W
92%
90%
88%
8 ms
16 ms
+/-0.5%
+/-1%
25% step load change, at 0.1 A/µs slew rate,
50% duty cycle, 50 Hz = 4%
Typical
recovery time < 5 ms
+/-3%
55 ms
+/-1%
> 110%
110 to 140%
Over Current Protection
Over Voltage Protection
Short Circuit Protection
Hiccup mode
Operating Temperature
7
Storage Temperature
Relative Humidity
Altitude
MTBF
Startup guaranteed with spec. deviation
Non-condensing
Operating:
Non-operating:
Telcordia -SR332-issue 3
-40 to +70°C
-40 to 0°C
-40 to +85°C
5% to 95%
16,000 ft.
40,000 ft.
3.37 million hours
Conducted Emissions
Radiated Emissions
Input Current Harmonics
Voltage Fluctuation and Flicker
ESD Immunity
Radiated Field Immunity
Electrical Fast Transient Immunity
Surge Immunity
Conducted Immunity
Magnetic Field Immunity
Voltage Dips, Interruptions
EN 55011-B, CISPR22-B, FCC PART15-B
EN 55011 A;
with external core (King core K5B RC 25x12x15-M in input cable)
EN 61000-3-2
EN 61000-3-3
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 61000-4-8
EN 61000-4-11
Pass
Pass
Level B
Class D
Pass
Level 4, Criterion A
Level 3, Criterion A
Level 3, Criterion A
Level 3, Criterion A
Level 3, Criterion A
Level 4, Criterion A
Criterion B
4
5
6
7
Combined output power of main output, fan supply shall not exceed max. Power rating.
Adjustment potentiometer is located on the SMT side of the PCB.
Fan supply output voltage tolerance including set point accuracy, line & load regulation is +/-10% and Ripple & noise is less than 10%.
Output ripple can be more than 10% of the output voltage.
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00882_AC
© 2018 Bel Power Solutions & Protection
4
MBC275 Series
Isolation Voltage
Safety Standard(s)
Agency Approvals
CE mark
Input to Output: (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)
Approved to the latest edition of the following standards:
CSA/UL60601-1, EN60601-1 and IEC60601-1.
Nemko, UL, C-UL
Complies with LVD Directive
4000 VAC
1500 VAC
1500 VAC
500 VAC
AC Input Connector
J1
Pin 1
Pin 2
Pin 3
Pin 1, 2, 3
Pin 4. 5. 6
Pin 1
Pin 2
Pin 1
Pin 2
Pin 3
AC Line
Not Fitted
AC Neutral
V1 +VE
V1 -VE
FAN +VE
FAN -VE
Vs
PGPF
GDN
Molex: 26-60-4030
Mating: 09-50-3031; Pins: 08-50-0106
Option 1 (Screw Terminal): Molex: 39357 Series or equivalent
Option 2 (Molex Connector): Molex: 26-60-4060
Mating: 09-50-3061; Pins: 08-50-0106
AMP: 640456-2
Mating: 640440-2
AMP :640456-3
Mating: 640440-3
DC Output Connector
Aux (Fan) Output
Signal Output
8
J2
J3
J4
Fusing on neutral for ITE model is optional.
Power good / AC fail signal specs
Weight
Dimensions
Cooling
9
approx. 200 g
127 x 76.2 x 19.05 mm (5 x 3 x 0.75 inches)
275 W with 13 CFM forced air cooling (refer to Mechanical Drawing)
Up to 160 W with natural convection cooling (refer to Derating Curve)
8
A TTL signal is available at pin 2 of J4 which goes high 100-500 ms after output voltage reaches 90% of set value.
It goes low a minimum of 1 ms before output falls below 90% of the set value, when input AC is switched off.
9
275 W with 13CFM forced air cooling and 160 W with natural convection cooling at 100 to 264 VAC.
tech.support@psbel.com
MBC275 Series
5
Mechanical Drawing
–
Option 1 without PGPF
Mechanical Drawing
–
Option 2 without PGPF
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.
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00882_AC
© 2018 Bel Power Solutions & Protection
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