ALM65 Series AC-DC Power Supplies
The ALM65 series of medical external power supplies is fully approved to international medical
safety standards. It has been designed with very high efficiency and low standby power, enabling it
to meet the latest environmental legislation. The unit has a fully sealed enclosure complying with
IP32 and a smooth surface finish making it easier to wipe down in a clinical setting.
• Medical & IT Safety Approvals
• Energy Efficiency Level VI
• 4th Edition Medical EMC
• IP32 Environmental Rating
• Class I and Class II Versions
• <0.21 W Standby Power
• 0 °C to 60 °C Operation
• Low Earth Leakage Current
• 3 Year Warranty
65 Watts
Dimensions:
ALM65:
4.94 x 2.19 x 1.32” (125.5 x 55.5 x 33.5 mm)
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1
Models & Ratings
Notes
Output Power Output Voltage Output Current Total Regulation Efficiency(1) Model Number(2,3,4)
65 W
12.0 V 5.40 A
±5%
88% ALM65US12
15.0 V 4.30 A 88% ALM65US15
19.0 V 3.40 A 88% ALM65US19
24.0 V 2.70 A 88% ALM65US24
48.0 V 1.35 A 88% ALM65US48
1. Typical average of efficiencies measured at 25%, 50%, 75% and 100% load and
115VAC input.
2. For class II versions, add suffix 'C2-8' to the end of the part number e.g.
ALM65US24C2-8.
3. For optional input connector retention clip add suffix ‘-A’ to the model number,
e.g. ALM65US24-A (not available for C2 versions)
4. 5.5 x 2.1 mm output connector add suffix B1 to the part number,
e.g. ALM65US24-B1, ALM65US24C2-8B1, ALM65US24-AB1.
Class I
IEC 320-C14
1.319 (33.5)
0.039 (1.0)
RETURN ( - )
OUTPUT ( + )
4.488 (114.0)
1.732 (44.0)
1.319 (33.5)
0.177 (4.50)
2.185 (55.5)
4.941 (125.5) 35.433 ±0.8 (900±20)
ø 0.685
(17.4)
1.512
(38.4)
1.969 ±0.394 (50±10)
0.374 ±0.012 (9.50±0.30)
Class II
IEC 320-C8
1. All dimensions shown in inches (mm). Tolerance is 0.02 (0.5) maximum, except
output cable length.
2. Output connector: 5.5 outer diameter, 2.5 mm inner diameter with centre positive.
3. Weight: 0.68 lbs (308 g) approx.
4. For European mains lead order part EU-MAINS-IEC for C14 versions,
or EU-MAINS-8 for C8 versions.
5. For UK mains lead order part UK-MAINS-IEC for C14 versions, or UK-MAINS-8
for C8 versions.
6. For US mains lead order part US-MAINS-IEC for C14 versions, or US-MAINS-8
for C8 versions.
Notes
Mechanical Details
ALM65 Series
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AC-DC Power Supplies
Input
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage 80 264 VAC Derate linearly from 100% load at 90 VAC to 80% load
at 80 VAC
Input Frequency 47 63 Hz
Input Current 1.2/0.6 A Measured at 115/230 VAC
Inrush Current 60/120 A 115/230 VAC, cold start at 25 °C
Power Factor EN61000-3-2 Class A
Earth Leakage Current 250 µA 264 VAC, 60 Hz
No Load Input Power 0.21 W
Input Protection T3.15A/250 VAC internal fuse in both line
Output
Characteristic Min. Typ. Max. Units Notes & Conditions
Output Voltage 12 48 VDC See Models and Ratings table
Initial Set Accuracy ±2 % At 50% load
Minimum Load No minimum load required
Start Up Delay 2s
Start Up Rise Time 40 ms
Hold Up Time 20 ms Full load and 230 VAC
Line Regulation ±0.5 %
Total Regulation ±5 %
Transient Response 4%
Maximum deviation, recovering to less than 1% within
500 µs for 25% step load
Ripple and Noise 1.5 % pk-pk 20 MHz bandwidth, measured with 20 MHz Bandwidth and
10 µF electrolytic in parallel with 0.1 µF ceramic capacitor.
Overshoot 10 % At turn on / turn off
Overload Protection 115 175 %
Overvoltage Protection 145 170 % Recycle mains to reset
Short Circuit Protection Trip and restart (hiccup), auto resetting
Thermal Protection Measured internally, auto resetting
Temperature Coefficient 0.05 %/°C
Patient Leakage Current 100 µ A 264 VAC, 60 Hz
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature 0 +60 °C Derate from 100% load at 40 °C to 50% load at 60 °C
Cooling Natural convection
Operating Humidity 5 90 %RH Non-condensing
Storage Temperature -40 +80 °C
Operating Altitude 5000 m
Shock IEC68-2-27, 30 g, 11 ms half sine, 3 times in each of 6 axes
Vibration IEC68-2-6, 10-500 Hz, 2 g 10 mins/sweep, 60 mins for each of 3 axes
Derating Curve
60%
20%
40%
80%
0
Ambient Temperature (ºC)
Output Power (%)
100%
40 60
20
ALM65 Series
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AC-DC Power Supplies
EMC: Emissions
Phenomenon Standard Test Level Notes & Conditions
Emissions EN55022 Level B Conducted & Radiated
Harmonic Current EN61000-3-2 Class A
Voltage Flicker EN61000-3-3
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency 88 % See Models and Ratings table and curves.
Isolation: Input to Output
Input to Ground
Output to Ground
4000 VAC 2 x MOPP
1500 VAC 1 x MOPP (Class I versions only)
500 VAC Class I versions only
Switching Frequency 65 KHz kHz PWM
Power Density 4.55 W/in3
Mean Time Between Failure >300 kHrs MIL-HDBK-217F at 25 °C GB
Weight 0.68 (308) lb (g)
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Efficiency
Load
115V
230V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Efficiency
Load
115V
230V
Efficiency Curves
ALM65US12
ALM65US24
Safety Approvals
EMC: Immunity
Phenomenon Standard Test Level Criteria Notes & Conditions
ESD EN61000-4-2 3A±15 kV air/±8 kV contact
Radiated EN61000-4-3 10 V/m A 80-2700 MHz. IEC60601-1-2 Ed.4 at other frequencies
EFT/Burst EN61000-4-4 3A
Surge EN61000-4-5 Installation Class 3 A
Conducted EN61000-4-6 10 V A
Magnetic Fields EN61000-4-8 4A
Dips and Interruptions
EN61000-4-11
Dip: 30% 500 ms A/B High Line/Low Line
Dip: 60% 200 ms A/B High Line/Low Line
Dip: 80% 5000 ms B
Dip: 100% 5000 ms B
EN60601-1-2
Dip: 30% 25 AC Cycles A 230 VAC 100% load, 100 VAC 75%
Dip: 60% 5 AC Cycles A 230 VAC 100% load, 100 VAC 20%
Dip: 100% 0.5 AC Cycles A At 8 angles
Int.: >95% 5000 ms B
Safety Agency Safety Standard Notes & Conditions
UL UL60950-1 2nd Edition
Information Technology
TUV EN60950-1
CB IEC60950-1
CE LVD
UL ANSI/AAMI ES 60601-1
Medical
CSA CSA C22.2 No. 60601
TUV EN60601-1
CB IEC60601-1
Others CCC, PSE, KC & RCM May require additional importer information
ALM65 Series
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AC-DC Power Supplies
Class I
IEC 320-C14
1.319 (33.5)
0.039 (1.0)
RETURN ( - )
OUTPUT ( + )
4.488 (114.0)
1.732 (44.0)
1.319 (33.5)
0.177 (4.50)
2.185 (55.5)
4.941 (125.5) 35.433 ±0.8 (900±20)
ø 0.685
(17.4)
1.512
(38.4)
1.969 ±0.394 (50±10)
0.374 ±0.012 (9.50±0.30)
Class II
IEC 320-C8
1. All dimensions shown in inches (mm). Tolerance is 0.02 (0.5) maximum, except
output cable length.
2. Output connector: 5.5 outer diameter, 2.5 mm inner diameter with centre positive.
3. Weight: 0.68 lbs (308 g) approx.
4. For European mains lead order part EU-MAINS-IEC for C14 versions,
or EU-MAINS-8 for C8 versions.
5. For UK mains lead order part UK-MAINS-IEC for C14 versions, or UK-MAINS-8
for C8 versions.
6. For US mains lead order part US-MAINS-IEC for C14 versions, or US-MAINS-8
for C8 versions.
Notes
Mechanical Details
17 Sept 19
Optional Input Connector Retention (-A)
1.40 (35.7)
