The compact CUS400M is packaged in the industry standard 3x5” footprint. The series can deliver 400W with forced air or 250W when convection cooled
with a 400W peak power for extended periods of time (minutes). Cooling is also assisted via conduction through the base into the equipment chassis. With
Medical & ITE certifications, the units can be used in both Class I & Class II (no ground wire) applications, and meets Class B Conducted and Radiated EMI.
Options include a standby voltage, signaling and multiple case options.
Features
• 250W Convection / Conduction Cooled with 400W Peak for Extended Time Periods
• 400W with Forced Air
• Medical Certifications (2 x MOPP)
• Class B Conducted and Radiated EMI
• Suitable for Class I and Class II installations
• Compact 3 x 5 x 1.55” Size
• Enclosure & Signal Options
Benefits
• Quiet Operation
• Can Utilise System Airflow or Integrated Fan
• Suitable for B and BF Type Medical Equipment
• Easier System EMC Compliance
• Flexible Utilisation
• Space Saving in End Equipment
• Versatile Application
Model Selector
Model
CUS400M-12
CUS400M-15
CUS400M-19
CUS400M-24
CUS400M-28
CUS400M-36
CUS400M-48
Nominal
Output
Voltage (V)
12
15
19
24
28
36
48
Output
Adjustment
(V)
12 - 13.2
15 - 16.5
19 - 20.9
24 - 26.4
28 - 30.8
36 - 39.6
48 - 49.9
Maximum
Current
Convection (A)
20.83
16.67
13.16
10.42
8.93
6.94
5.21
Maximum
Current
Forced Air (A)
33.33
26.67
21.05
16.67
14.29
11.11
8.33
Peak Current (A)
Maximum
Maximum
Convection cooled ≥115Vac input
Power
Power
(See derating curve section) Convection (W) Forced Air (W)
33.33
26.67
21.05
16.67
14.29
11.11
8.33
250
250
250
250
250
250
250
400
400
400
400
400
400
400
Contact sales for release dates
CUS400M-
12
/
U
M
blank
E
E
dual fuses
single input fuse in
line (AC input only)
X5
-
blank Standard leakage
current (<250uA)
R
Reduced leakage
current <150uA
Output voltage 12, 15, 19, 24, 28, 36, 48
blank open frame with plastic baseplate
C open frame with plastic baseplate
and M3 threaded inserts for under
side mounting
U U channel chassis
B open frame with metal baseplate
A U channel chassis with cover
F U channel chassis, cover and
top fan (1)
Blank JST Connectors
M
Molex 10-63-4027 input connector
N
Alex locking connector p/n 8673-03N2
blank
X2
X3
X5
X6
No options
5V 2.0A standby supply, remote on/off (enable), DC-OK, AC Fail
12V 1.0A standby supply, remote on/off (enable), DC-OK, AC Fail
5V 2.0A standby supply, remote on/off (inhibit), DC-OK, AC Fail
12V 1.0A standby supply, remote on/off (inhibit), DC-OK, AC Fail
Example: CUS400M-15V25/FEX5 = 15.25V factory output voltage set point, U chassis, cover and fan, single fuse, X5 standby and signals
CUS400M Series
1
Specifications
Model
Input
Input Voltage range
Vac
Input Frequency
Hz
Input Current (100Vac)
A
Inrush Current at 264Vac, 63Hz (Cold Start) A
Leakage Current (2)
uA
Touch Current (Enclosure Leakage) (2)
uA
Power Factor (100Vac)
-
Harmonic Compliance
-
No Load Power Consumption
W
Hold Up Time at 115Vac Input
ms
Efficiency
%
Average Efficiency
Conducted & Radiated EMI
-
Immunity
-
Insulation Class
-
Safety Agency Certifications
-
CUS400M
85 - 264 (See derating curves)
47 - 63
< 5.0
<40
<250
<100
> 0.97 (>20% load)
IEC61000-3-2 Class A
<1.3 when output is inhibited (230Vac input). <10 without output inhibitied
>16 (400W load) (CUS400M-15 >12ms)
Up to 94
>87%. Measured at 25%, 50%, 75% and 100% load conditions
EN55032/EN55011-B (See application notes for conditions)
Compliant with EN60601-1-2;2015 (Edition 4), see immunity table
Construction suitable for Class I or Class II installation (1)
IEC/EN/UL60950-1 and 60601-1. ES60601-1. IEC/EN/UL62368-1, CE Mark (LVD, EMC and RoHS)
Immunity
Test
ESD
Radiated Susceptibility
Electrical Fast Transient Burst
Surge
Conducted Susceptibility
Magnetic fields
Standard
IEC61000-4-2
IEC61000-4-3
IEC61000-4-4
IEC61000-4-5
IEC61000-4-6
IEC61000-4-8
Test Level
Criteria
A
A
A
A
A
A
A
A
A/B
A/B
A/B
B
A
A
A/B
B
B
C
C
C
B
B
C
C
A
A
Notes (the power stated below is total power (main power + fan output))
-
Includes proximity field requirements of IEC60601-1-2:2015
(AC Port, 5kHz and 100kHz)
-
-
-
-
-
A up to 100W, B above 100W
A up to 270W, B above 270W
A up to 300W, B above 300W
-
Customer to consider essential performance of end equipment
-
A up to 270W, B above 270W
-
-
-
-
-
-
-
-
-
-
-
3
3
4
3
3
4
0% for 1/2 cycle
IEC61000-4-11
0% for 1 cycle
Class 3 Industrial,
40% for 10/12 cycles
incl EN55024
70% for 25/30 cycles
80% for 250/300 cycles
0% for 250/300 cycles
0% for 1/2 cycle
IEC60601-1-2:2015
0% for 1 cycle
70% for 25/30 cycles
0% for 250/300 cycles
0% for 1 cycle
IEC61000-6-2
40% for 10/12 cycles
70% for 25/30 cycles
0% for 250/300 cycles
0% for 1/2 cycle
IEC61204-3
0% for 1 cycle
70% for 25/30 cycles
0% for 250/300 cycles
IEC61000-4-12
3
IEC61000-4-14
Class 3
Voltage Dips and
Input Interuptions
Ringwave Test
Voltage Fluctuations
Notes:
(1) Class II construction and /F safety files - Contact sales for release dates
See website for detailed specifications, test methods and installation manual
Specification parameters apply at 25°C ambient temperature unless otherwise stated.
2
CUS400M Series
Specifications
Model
Output
Line Regulation
Load Regulation
Ripple & Noise
Temperature Coefficient
Minimum Load
Overcurrent Protection
Overvoltage Protection
Overtemperature Protection
Remote Sense
Remote On/Off
DC Good
AC Fail
Fan Supply
Parallel Operation
Series Operation
Environmental
Operating Temperature (-30°C start-up)
Storage Temperature
Operating Humidity (non condensing)
Cooling
Altitude
Withstand Voltage (For 1 minute)
Isolation Resistance
Vibration (Operating)
Shock
Other
Weight (max)
Size (WxLxH)
Connectors
Warranty
%
%
%
%/°C
-
%
-
-
-
-
-
-
-
-
-
°C
°C
%RH
-
m
Vac
MΩ
-
-
g
mm
in
-
yrs
CUS400M
0.5 (85 - 264Vac)
1.0 (0 - 100% load)
<1
±0.02
No minimum load required
101 to 170. Hiccup mode, automatic recovery
Latching (unit shutdown), cycle AC input to reset
Latching (unit shutdown), cycle AC input to reset
0.5V total compensation
Voltage at output terminals must remain within the range specified in the model selector
Opto-isolated. Inhibit: High = OFF, Low = ON, Enable: High = ON, Low = OFF
Opto isolated, >20ms after output good
Opto isolated, 5ms warning before DC loss
12.3V 0.3A (at 400W load)
Not possible
Possible, see installation manual. Maximum two units of the same model number
-20°C to +70°C, derate linearly above 50°C to 50% load
-40°C to +85°C (70°C maximum for fan version /F)
5 - 95%RH (15 - 90%RH for /F fan version)
Convection cooling or forced air (0.3m/s required for 400W output at 115Vac input)
5,000m. Operating, transportation and storage
Input to Ground 1.5kVAC (1xMOPP), Input to Output 4kVAC (2xMOPP),
Output to Ground 1.5kVAC (1xMOPP)
>100MΩ at 25°C & 500Vdc
2G, 10-200Hz for 1 hour. Conforms to EN60068-2-6, IEC68-2-6, MIL-STD-810G
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