KMS-A Series
15-60W Medical AC-DC PCB-Mount Power Supplies
Features
Medical Safety Certifications (4kVAC Input - Output)
Class II (No ground needed)
Wide Temperature Range (-40 to +80oC)
Low off-load Power Draw
Smaller size than KMS
High Efficiency
Key Market Segments & Applications
Photo (KMS60A shown)
Specifications
Model
KMS15A
KMS30A
90-264VAC 47-440Hz* or 120-370VDC*
30 / 60A
KMS60A
Input Voltage Range (1)
Inrush Current Limiting (115 / 230VAC) (2)
Input Current (115 / 230VAC)
Off-load Power Draw
Recommended External Fuse
Temperature Coefficient
Voltage Set Accuracy
Minimum Load
-
A
mA
W
-
-
%
-
20 / 40A
385 / 250mA
<0.1W
55 / 95A
1500 / 1000mA
<0.3W
650 / 400mA
<0.15W
3.15 A slow blow type
±0.05%/°C
±2%
None
Overcurrent Protection
Overvoltage Protection
Hold-up Time (115 / 230VAC)
Leakage Current (Touch)
Series or parallel operation
Operating Temperature (3)
Maximum Case Temperature
Storage Temperature
Humidity
-
%
ms
mA
-
-
°C
-
Hiccup mode, automatic recovery
Yes, Zener diode clamp
15 / 56ms (typ)
>10ms
<0.1mA at 264VAC
Yes, see application note for details
-40°C to +85°C, derate linearly to 30% load from 50°C to 80°C
90°C (83°C <115VAC)
85°C (78°C <115VAC)
80°C (73°C <115VAC)
-40°C to +90°C
10% to 95% RH (non-condensing)
%RH
Cooling
Withstand Voltage
Immunity
Altitude
-
VAC
-
Convection
Input to output: 4kVAC, 2 x MOPPs
EN61000-4-2, -3, -4, -5, -6, -8, -11
5000m
m
Safety Agency Certification
Conducted and Radiated EMI
Weight
-
-
g
UL/CSA/IEC/EN 60950-1, ANSI/AAMI ES60601-1, IEC/EN 60601-1 (2xMOPPs)
EN55011 Class B
59g
130g
280g
in
(mm)
-
hrs
yrs
2.07 x 1.08 x 0.93”
52.5 x 27.5 x 23.5 mm
2.52 x 1.77 x 0.93”
64.0 x 45.0 x 23.5 mm
3.5 x 2.5 x 1.06”
89.0 x 63.5 x 27.0 mm
Size (LxWxH)
Mounting & Case
MTBF
PC board mountable. Resin case (UL 94V-0)
200,000 to 400,000 hours, model dependant
3 years
Warranty
(1) Derate linearly to 80% load below 110VAC (100VAC for KMS15A)
(2) Cold start, 25oC ambient
(3) Derate linearly to 80% load below -30oC
* Safety certified for AC input, 47-63Hz only
1-800-526-2324 • www.us.tdk-lambda.com/lp/
79
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