Power sensitive electronics
safe and
Electric Utilities and Substations
• Versatile design with wide
• Ultra-quiet low EMI
DC/DC Converters
VTC120 Series DC/DC Converters
• Ultra-Quiet
•
without interference
• Rugged & Reliable
• Ensure years of
trouble free operation
• Programmable Logic Controllers (PLC's)
• Rugged Mobile Environments
• Automotive / RV / Marine
•
• Oil Patch
• Telecommunications Power
• Industrial Controls
(OEM Applications)
• Field Work / Constr uction Sites
• Solar / Alternative Power Systems
• Security Systems Power
• Any 12 or 24 Equipment
The VTC120 Series Voltage Converter is a variable duty cycle
switching power supply with a precision linear regulator output
(except for the VTC120nr-12-24). This model is co mmon
negative. This means that the input negative (ground) connection
and the output negative (ground) connection are common or tied
together.
Applications include running 24V PLC controls or electronic
equipment from a 12 Volt battery system, or any other application
requiring 24 VDC when only 12 VDC is available.
We are confident that you will get many years of reliable service
from this Voltage Converter.
variation of input and output
combinations
• Precision linear regulator
final stage for ultra clean
output for all units (except
VTC120nr-12-24)
• Extremely rugged and well
suited for marine and other
demanding environments
• High tolerance for shock and
vibration
operation
• Ideal for running 24V
PLC controls from 12
VDC
• Reverse input
protection
• Short circuit protection
• 3 year parts and labour
warranty
Model - VTC120
-12-24 h-12-12 nr-12-24
Input Volts (DC)
Input Amps (max)
Input Fuse (AGC)
-20° to +40°C @ maximum output
(Optional -40°C extra wide temp. operation avail.)
0 - 95°C Relative Humidity
(non-condensing) with optional conformal coating
Audible Noise
NONE Ødb @ 3 ft
Typical
Service Life
Output Volts (DC)
24.0 12.0
5 Cont. / 7.5 Cont. /
5.5 Peak 8.0 Peak
Output Ripple & Noise
< 5 mV
Transient Response
< 1V for 50% Surge
Regulation (Line & Load)
< +/- 0.5%
Peak 20% for 5 min maximum
Continuous 100% for 24 hours per day
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
Finish
Black Anodize / Black Powder Epoxy
Fastenings
All 18-8 Stainless Steel
Weight
Connections
Four contact output terminal
Warranty
3 years
Available From:
Noise on Input
Output Amps
11-15 11-15 11-14
15 11 15
20 15 25
< 25 mV
Operating
Temp. Range
Humidity
Isolation
Derate Linearly 2.5% per °C from 40°C
> 10 yrs. (87,600 hrs)
Any Input or Output to Case 500 VDC
Common Negative
Duty Cycle
Efficiency
> 80% @ Maximum Output
2.5 lb / 1.1 kg
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