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Ensure years of safe and
output voltage
Telecom Power Plants
Marine & other rugged environments
Base Station Power
Industrial Controls
DC/DC Converters
VTC1015 Isolat ed DC /DC Converters
(Shown with Optional Digital Meter)
• Ultra-Quiet
• Power sensitive electronics
without interference
• Rugged & Reliable
•
trouble free operation
•
• Electric Utilities and Substations
•
•
(Radio & Telecommunications)
•
(OEM Applications)
• Solar / Alternative Power Systems
The model VTC1015 Voltage Converter supplies either 12V, 24V, or 48
VDC from a 24V, 48V, or 72VDC power source.
All new Current Mode switching design offers increased power and
reliability in a compact package. Extra input and output filtering reduce
EMI to extremely low levels. Reliability features include an input fuse,
thermal shutdown, current limiting, reverse battery hookup protection
and output short circuit shutdown with automatic recovery.
The output voltage is easily adjusted 1.0 volts above or below the
standard output voltage. Devices connected to the converter are
protected by an output overvoltage crowbar circuit.
Optional features include a Remote Control, a 19” Rack Mount version,
and/or a Digital Volt Ammeter to allow monitoring of output current and
• Fully Isolated Design
• Transient Voltage Suppressor
• Adjustable output voltage
• Audible & visual indicators for
constant current, low input
voltage, low output voltage &
over-temperature
• Over-temperature shutdown
• Short circuit protection
• Emergency Power Backup (UPS)
• Output overvoltage crowbar
• Cycle by cycle current limiting
• Reverse input protection
• Ultra-quiet low EMI operation
• Dry contact output fail relay
• Thermostatically controlled
fan
• Custom input / output
voltages from 12 to 55 VDC
• Remote control option
• 19” Rackmount option
• Wide-Temperature
operation Available
• Conformal Coating and/or
Harsh Environment
Ruggedization Available
• 3 year parts and labour
warranty
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-25° to +40°C @ maximum output
(Optional -40°C extra wide temp. operation avail.)
Audible Noise
NONE Ødb @ 3 ft (34.5 dB when fan operating)
Typical Service Life
> 10 yrs. (87,600 hrs)
Input-Case & Input-Output 1500VDC (500VDC @ 24V I/P)
Output-Case 500VDC (1500VDC @ 48V O/P)
Nominal (ip)
24 48 72
Actual (Vdc)
22 - 35 44 - 60 65-90
Input Amps (max)
72.6 36.3 23
Input Fuse (ATC)
3 x 25A 2 x 20A 1 x 30A
Noise on Input
< 50 mV
Output Nominal (op)
12 24 48
Output Volts (DC)
13.6 ± 0.05 27.2 ± 0.05 54.4 ± 0.05
70 peak 45 peak 22.5 peak
Output Adjustment
± 1.0 V
Output Crowbar
16.0 ± 0.5V 32.0 ± 1.0V 63.9 ± 2.0V
Switching Frequency
60 ± 2.0 KHz
Idle Power
Output Ripple & Noise
< 50 mV
Transient Response
< 2V for 50% Surge (Output Amps/2)
Regulation (Line & Load)
< +/- 0.5%
Peak 20% for 10 min maximum
Efficiency
> 85% @ Maximum Output
Length
14.5 in / 36.8 cm
Width
9.9 in / 25.1 cm
Height
5.5 in / 14.0 cm
Material
Marine Grade Aluminium
Finish
Black Anodize / Powder Epoxy Coat
Fastenings
All 18-8 Stainless Steel
Weight
12.0 lb / 5.5 kg
Connections
Warranty
3 years
Safety
Approval to cETLus Standards
Available From:
Operating Temp.
Range
Humidity
Derate Linearly 2.5% per °C from 40°C
0 - 95°C Relative Humidity
(non-condensing) with optional conformal coating
Isolation
Output Amps
60 cont. / 40 cont. / 20 cont. /
< 10 Watts
Duty Cycle
Continuous 100% for 24 hours per day
Four contact output terminals
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