Power sensitive electronics
years of safe and
obile Environments
Electric Utilities and Substations
ial Controls
DC/DC Converters
VTC120i Isolat ed D C/DC Converters
• Ultra-Quiet
•
without interference
• Rugged & Reliable
• Ensure
trouble free operation
The VTC120i Series of Isolated Voltage Converters are variable
duty cycle switching power supplies with precision linear regulator
outputs. They can be configured to run from a 12V, 24V or 48VDC
battery system to provide input/output voltages as shown below.
Applications include running 24V PLC controls from a 12 Volt
battery system, or any other application requiring 24 VDC when
only 12 VDC is available or to provide ground isolation between
two 12 VDC or 24 VDC power systems, or between a 12 VDC and
24 VDC power system.
We are confident that you will get many years of reliable service
from this Voltage Converter.
• Programmable Logic Controllers (PLC's)
• Rugged M
• Automotive / RV / Marine
•
• Oil Patch
• Telecommunications Power
• Industr
• Field Work / Construction Sites
• Solar / Alternative Power Systems
• Security Systems Power
• Any 12, 24, 32, 48V Equipment
(OEM Applications)
• Versatile design with wide
• Precision linear regulator final
• Extremely rugged and well
• High tolerance for shock and
• Ultra-quiet low EMI operation
• Ideal for running 24V PLC
variation of input and output
combinations
stage for ultra clean output for
all units
suited for marine and other
demanding environments
vibration
controls from 12 VDC
• Many isolated versions
including two high output
for converting positive
ground to negative
ground or resolving
other ground related
problems
• Reverse input protection
• Short circuit protection
• Parallel output included
• 3 year parts and labour
warranty
Model (VTC120)
ih-12-12
ih-12-15.6
ih-12-24
ih-24-12
ih-24-24
ih-36-15.6
ih-48-15.6
i-48-12
Input Volts (DC)
11 – 15
11 – 15
11 – 15
22 - 30
22 - 30
33 – 45
40 – 60
40 – 60
Input Amps (max)
11
14.2
21.8
6.2
10.9
4.8
3.9
3.0
Input Fuse
AGC-15
AGC-20
AGC-25
MDA-7
AGC-15
MDA-8
MDA-7
MDA-5
Output Volts (DC)
12.0
15.6
24.0
12.0
24.0
15.6
15.6
12.0
Output Amps
7.5 Continuous / 8.0 Peak
Output
Model (VTC120)
i-12-12
i-12-24
i-24-12
i-24-24
i-48-05
i-48-12
i-48-24
i-48-48
Input Fuse
AGC-10
AGC-20
MDA-6
AGC-10
MDA-2
MDA-3
MDA-5
MDA-10
2.5 Cont. /
Isolation
Input-Output
Length
7.9 in / 20.1 cm
Width
6.0 in / 15.2 cm
Height
2.4 in / 6.1 cm
Material
Marine Grade Aluminium
Fastenings
All 18-8 Stainless Steel
Weight
2.4 lb / 1.1 kg
Connections
Four contact output terminal
Warranty
3 years
Noise on Input
< 5 mV
Output Ripple & Noise
< 5 mV
Transient Response
< 1V for 50% Surge
Regulation (Line & Load)
< +/- 0.5%
Peak 20% for 10 min maximum
Available From:
Isolated
Input Volts (DC)
Input Amps (max)
Output Volts (DC)
Output Amps
Isolated (High)
Isolation Input-
Duty Cycle
Efficiency
11 – 15 11 – 15 22 - 30 22 - 30 40 – 60 40 – 60 40 – 60 40 – 60
8.5 15 3.8 7.5 1 2.1 4.2 8.4
12.0 24.0 12.0 24.0 5.0 12.0 24.0 48.0
5 Continuous / 5.5 Peak
> 500 VDC
> 500 VDC
Continuous 100% for 24 hours per day
> 80% @ Maximum Output
Operating Temp. Range
Humidity
Audible Noise
Typical Service Life
Isolation
5.5Peak
Finish
Black Anodize / Black Powder Epoxy
-25° to +40°C @ maximum output
Derate Linearly 2.5% per °C from 40°C
(Optional -40°C extr a wid e tem p. ope ra ti on avai l. )
0 - 95°C Relative Humidity
(non-condensing) with optional conformal coating
NONE Ødb @ 3 ft
> 10 yrs. (87,600 hrs)
Any Input or Output to Case 500 VDC
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