MODULES
VI-HAM
A C
I N P U T
H A R M O N I C
AT T E N U AT O R
M O D U L E
Features
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Unity power factory
Safety agency approvals: UL478, 544, 1950;
CSA22.2 No. 234; EN60950
Meets EN61000-3-2 for line current harmonic
content
Universal input: 85–264VAC: 50/60Hz
Input surge current limiting
90–94% efficiency (typical)
UL, CSA, TUV, CE, C-Tick
Specifications
INPUT
Input voltage
Power factor
Harmonic distortion
Inrush current (240VAC)
85–264VAC
0.99
<8.5%
20A
Frequency (400Hz optional) 47Hz–63Hz
STANDARDS AND APPROVALS
Power factor correction
Safety
EMI
EN60555
UL1283, CSA C22.2 No.8, TÜV, VDE0560
The Ham required an external filter P/N07818
to meet IEC801-5 Level 3, EN55022 Level A,
AS/N25 2064 class A
AS/NZS CISPR11 Group 1 Class A
C-Tick
NOTE All VI-HAM versions must be preceded by three transorbs in series directly
across the input. Also use 10A 3AG fast blow fuse ahead of line filter.
OUTPUT
Output power
Output ripple (pk-pk)
Holdup capacitance
Short circuit protection
MECHANICAL
Dimensions
OPERATING
Efficiency
Isolation
Baseplate operating
temperature
Thermal shutdown
90%–94%
Input – Output: ZeroInput – Baseplate –
Output: 2500V rms
85°C
90°C to 100°C
117x61x12.7mm
If power requirements exceed one HAM, use a HAMD and one or more BAMDs, with an external
bridge rectifer. HAM, HAMD, and BAMD modules require three surge suppressors in series directly
across the input. These surge suppressors are already contained in the EMI filter P/N 30205. Also
use a 10A, 3AG fast-blow fuse ahead of the line filter.
* Compatible with V375 series.
600/675W
7mV pk-pk
420–3000µF
Yes
PRODUCT
BASEPLATE
STORAGE
TYPICAL
GRADE
OPERATING TEMP TEMPERATURE SAMPLE
E-Grade
C-Grade
I-Grade
M-Grade
-10
O
C to +85
O
C
-20°C to +85°C
-40°C to +85°C
-55°C to +85°C
-20
O
C to +100
O
C
-40°C to +100°C
-55°C to +100°C
-65°C to +100°C
VI-HAM-EM
VI-HAM-CM
VI-HAM-IM
VI-HAM-MM
Typical Application
VI-HAM
252
Microcontroller MCU
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