Additional Resources:
Product Page
date
06/07/2022
page
1 of 8
SERIES: VMS-300 │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
up to 3002 W continuous power
12.5 W/in3 power density
universal input (90~264 Vac)
12 Vdc auxiliary fan output
over voltage, short circuit, and over temperature protections
built-in active PFC function
efficiency up to 85%
RoHS
MODEL
output
voltage
output
current
output
power
ripple and
noise4, 5
efficiency
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
min
(%)
VMS-300-12
12
252
3002
120
82
VMS-300-15
15
202
3002
150
82
VMS-300-24
24
12.52
3002
240
83
VMS-300-36
36
8.332
3002
360
84
VMS-300-48
48
6.252
3002
480
84
VMS-300-D0512*
V1
V2
5
12
24
13.333
2403
50
120
80
VMS-300-D1224
V1
V2
12
24
13.333
6.673
2403
120
240
85
VMS-300-12-CF
12
25
300
120
82
3
VMS-300-15-CF
15
20
300
150
82
VMS-300-24-CF
24
12.5
300
240
83
VMS-300-36-CF
36
8.33
300
360
84
VMS-300-48-CF
48
6.25
300
480
84
VMS-300-D0512-CF*
V1
V2
5
12
24
13.33
2403
50
120
80
VMS-300-D1224-CF
V1
V2
12
24
13.33
6.67
2403
120
240
85
VMS-300-12-CFS
12
25
300
120
82
VMS-300-15-CFS
15
20
300
150
82
VMS-300-24-CFS
24
12.5
300
240
83
VMS-300-36-CFS
36
8.33
300
360
84
VMS-300-48-CFS
48
6.25
300
480
84
VMS-300-D0512-CFS*
V1
V2
5
12
24
13.33
2403
50
120
80
VMS-300-D1224-CFS
V1
V2
12
24
13.33
6.67
2403
120
240
85
Notes:
1.
2.
3.
4.
5.
6.
Peak power of 600 W within 500 µs only applies to single output models
Total continuous output power will not exceed 300 W with 25 CFM forced air, 150 W without fan.
Total combined continuous output power will not exceed 240 W with 25 CFM forced air, 120 W without fan.
Measured at 10 kHz ~ 20 MHz, with 0.1 µF ceramic and 22 µF electrolytic parallel capacitors
1% minimum load is required to maintain the ripple and regulation (10% for dual output models)
* Discontinued model.
cui.com
Additional Resources:
Product Page
CUI Inc │ SERIES: VMS-300 │ DESCRIPTION: AC-DC POWER SUPPLY
date 06/07/2022│ page 2 of 8
PART NUMBER KEY
VMS-300 - X XXXX - XXX - X
Base Number
Output
“blank” = single
D = dual
Output Voltage
Chasis
“blank” = U-frame
CF = enclosed with
top fan
CFS = enclosed with
rear fan
Input/Output Connectors
“blank” = terminal block/terminal block
11,3 = header/header
22 = IEC320/terminal block
32,3 = IEC320/header
Notes:
1. U-Frame & CF models
2. CFS models
3. Header output connector not
available on single 12 Vdc output
models or dual output models
INPUT
parameter
conditions/description
min
voltage
frequency
current
at 90 Vac, cold start
inrush current
at 115 Vac, cold start
at 230 Vac, cold start
power factor correction
single output models pass EN61000-3-2 Class D
dual output models
leakage current
at 264 Vac
input fuse
5 A / 250 V inserted in primary
remote ON/OFF
designated as INH on pin 4 of CN3, requires a low
signal to inhibit output
max
units
90
typ
264
Vac
47
63
Hz
5
A
35
70
A
A
0.3
mA
max
units
-0.95
OUTPUT
parameter
conditions/description
min
load regulation
single output models
dual output models
transient response
returns to within 1% in
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