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Excelsys Technologies Ltd.
EX350
The EX350 series of power supplies is the configurable open frame power supplies from Excelsys Technologies. Available as standard,
Medically Approved and DC Input versions, the EX350 series is configured to your particular requirements, ensuring that you do not
have to make compromises in order to satisfy your system requirements. The EX350 has carries full international safety approvals thus
reducing system compliance cost and times. Providing up to 350W in a compact 203.2 x 114.3 x 50.8mm form factor, the EX350 series
saves valuable system space.
1. INPUT SPECIFICATIONS
EXS350 EXM350 EXD350
Input Voltage 90-264VAC 90-264VAC 18-36VDC(10) ,36-72VDC
Input Frequency Range 47-63Hz 47-63Hz Not Applicable
Harmonic Current Complies EN61000-3 -2 Complies EN61000-3-2 Not Applicable
Inrush Current; 115VAC (cold start) 50A 40A Not Applicable
2. OUTPUT SPECIFICATIONS
Single outputs
Output Voltage 1.5V-48V. See table below
Output Voltage ±5%
Adjust range
Line Regulation ±0.2%
Load Regulation ±3%
Over voltage Protection 130%
Overshoot 10% max.
Response Time 500µSec
Ripple and Noise load 1% Pk-Pk max 20MHz Bandwidth
Single output models (1.5V-48V) Output Current Amps
Output Current 0 1.5V-3.3V(8) 1 3.3V-5V (8) 2 5V-12V (8) 3 12V-15V (8)
4 15V-24V (8) 5 24V-48V (8)
Minimum 0 0 0 0 0 0
Maximum (4) 35 35 35-20 20-17 17-10 10-5
(Convection)
Maximum (5) 55 55 55-29 29-23 23-14.5 14.5-7.25
(Forced Air)
Peak (5,6) 60 60 60-31 31-25 25-16 16-8
Mulitple outputs
(2 to 4 outputs)
Output Voltage Any output voltage between 1.5V and 48V available as standard. See table below for Output current capabilities
Output Voltage ±5% on Output V1
Adjust range
Line Regulation ±0.2%
Load Regulation
V1 and V2 ±3%max 60%±40 % Full Load
V2 and V3 ±5%max
Cross Regulation
V1: Change V2 V4 ±0.5% 60%±40% Full Load
V2 V4: Change V1 ±5%max @75%±25% Full Load
Over voltage Protection 130% On Output V1
Overshoot 10% max. All Outputs
Response Time 500µSec
Ripple and Noise load 1% Pk-P k max 20MHz Bandwidth
Output Output Minimum Maximum (3) Maximum (4) Peak (4,5)
Voltage (Convection) (Forced Air)
V1 1.5V-48V (7) 6 (6) 35 55 60
V2 1.5V-48V (7) 1 (6) 3 6 6
V3 1.5V-48V (7) 0 (6) 5 5 5
V4 1.5V-48V (7) 1 (6) 11 16 18
When calculating power capabilities of each output, please note overall power consumption of PSU and the current limitation
on each output.
Example
V1=24V/8A, V2=12V/4A, V3=12V/3A, V4=5V/10A
30CFM system cooling is available.
V1 can deliver up to 55A. V1 Power = 24V x 8A = 192W.
158W power is available for use between other outputs
V2 can deliver up to 6A. V2 Power = 12V x 4A = 48W
110W power is available for use on other outputs.
V3 can deliver 5A. V3 power = 12V x 3A = 36W
74W power available for use on final output
V4 can deliver 16A. V4 power = 5V x 10A = 50W
Total power is 326W
Total power is less than 350W rating of PSU.
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
Excelsys Technologies Ltd.
3. EMC CHARACTERISTIC
Emissions
Conducted EN55022, FCC part 15 Level B
Radiated EN55022, FCC part 15 Level A
Immunity
Electrostatic Discharge EN61000-4 -2 Level 3
Radiated Immunity EN61000-4 -3 Level 3
Fast Transients (Burst) EN61000-4 -4 Level 3
Input Line Surges EN61000-4 -5 Level 3
Conducted Immunity EN61000-4 -6 Level3
Voltage Dips EN61000-4 -11 Compliant
4. GENERAL SPECIFICATIONS
Hold-up Time 10mS
Efficiency 75%
Switching Frequency 65KHz
Isolation Voltage Input/Output 3000VAC/4000VAC for EXM350
Input Chassis 1500VAC
Approvals and Standards EXS: EN60950, UL1950
EXD: EN60950, Ul1950
EXM: EN60601-1, UL2601-1
Leakage Current <90µA
Weight
Size (L x W x H) 203.2mm x 114.3mm x 50.8mm
MTBF >250,000 Hours MIL HANDBOOK 217F
5. ENVIRONMENTAL SPECIFICATIONS
Operating Temperature Range 0°C to 50°C Start up Temperature -20°C. (2)
Derate 2.5%/ °C up to 70 °C
Storage Temperature Range -40°C to 85°C
Relative Humidity 5 to 95% Non-Condensing
Vibration 10-55Hz, 1G Peak
Notes:
1. All specifications are typical at nominal line, full load and 25°C.
2. Ripple and Noise measurements may not meet published specification for 2mins after -20°C.
3. Rated with 30CFM. 250W rating convection cooled.
4. 30CFM cooling.
5. 30 seconds maximum duration.
6. 10% Min. load for stated regulation on multiple outputs.
7. Specify 0.1V increments.
8. Specify 0.2V Increments.
9. Contact factory for output voltages greater than 48V.
10. Derate by 15% for 18-36VDC Input.
How to Configure your EX350 PSU
EXS 350 1234 - 00
Input
Power Output1 Output1 Output1 Output1 Option
Code
Specifications of the Power supply detailed above
S=Universal Input Voltage
350 = 350 Watt Output Power
1 = Output 1: 3.3-5V. Nominal 5V
2 = Output 2: 5V-12V. Nominal 12V
3 = Output 3: 12V-15V. Nominal 15V
4 = Output 4: 15V-24V. Nominal 24V
00 = Option code. If alternative voltage set-points are required, Defined DC input voltages etc, a specific option code will be assigned.
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
Excelsys Technologies Ltd.
203.2
193.0
CON 3
114.3
81.3
CON 1
CON 2
193.0
35.4
50.8
Mounting Hole Diameter #6-32 UNC2B
Tolerance: ± 0.5mm
Input Connector Con 1 Terminal Block 3 Pole
Output Connector Con 2 Terminal Block 8 Pole
Signal Connector Con 3 (optional) Molex 22-2 7-2061 Mating 22-0 1-3067
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de