vtc300 series DC/DC converters

Benefits

Ultra-Quiet
Power sensitive electronics without interference
Rugged & Reliable
Ensure years of safe and trouble free operation
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This all new single board design incorporates state of the art switchmode technology for unmatched efficiency and ultra-quiet operation.

Multiple stages of filtering reduce radiated or conducted noise to very low levels. Extra features include adjustable output voltage, audible and visual indicators for low input voltage, low output voltage, over temperature and overload.

Safety features include reverse input protection, over-temperature shutdown, current limiting, short circuit shutdown, a dry contact alarm relay output and output overvoltage crowbar. Optional features include a remote panel monitoring with On-Off control.

We are confident that you will get many years of reliable service from this Voltage Converter.

Features

Adjustable output voltage
Audible & visual indicators for constant current, low input voltage, low output voltage & over-temperature
Extremely rugged and well suited for marine and other demanding environments
High tolerance for shock and vibration
Ultra-quiet low EMI operation
Current limiting protection
Reverse input protection
Output over-voltage crowbar
Dry contact output fail relay
Remote control option
Wide-Temperature operation Available
Parallel output diodes available
Conformal Coating and/or Harsh Environment Ruggedization Available
3 year parts and labour warranty

Applications

Marine & other rugged environments
Mobile Offices (TV and Radio Vans)
Automotive / RV
Electric Utilities and Substations
Base Station Power(Radio & Telecommunications)
Industrial Controls(OEM Applications)
Field Work / Construction Sites
Solar/Alternative Power Systems
Emergency Backup Power (UPS)

Electrical [Input]
Model Number	VTC300-32-12	VTC300-32-24
Input Volts(DC)	20-45	30-45
Input Amps (Max)	20	22
Input Fuse (AGC)	25A
Noise on Input	< 25mV

Electrical [Output]
Output Nominal (op)	12	24
Output Volts (DC)	13.6 ± 0.05	27.2 ± 0.05
Output Adjustment	± 0.05
Output Current(Amps)	25 cont./ 35 peak	20 cont./ 25 peak
Current Limit	37 Amps	27 Amps
Output Crowbar	16.0 ± 0.5V	32.0 ± 1.0V
Output Ripple & Noise	< 25 mV
Transient Response	< 1V for 50% Surge
Regulation (Line & Load)	< +/- 0.5%
Duty Cycle	Peak 20% for 10 min maximum Continuous 100% for 24 hours per day
Efficiency	> 90% @ Maximum Output

Environmental Specification
Operating Temp. Range	-25° to +40°C @ maximum output Derate Linearly 2.5% per°C from 40°C (Optional -40°C extra wide temp. operation avail.)
Humidity	0 - 95°C Relative Humidity (non-condensing) with optional conformal coating
Audible Noise	NONE Ødb @ 3 ft
Typical Service Life	>10 years (87,600 hours)
Isolation	Any Input or Output to Case 500 VDC Input to Output – Common Negative

Mechanical Specification
Length	9.1 in/ 23.1 cm
Width	7.8 in/ 19.8 cm
Height	2.5 in/ 6.4 cm
Material	Marine Grade Aluminium
Finish	Black Anodize / Powder Epoxy Coat
Fastenings	All 18-8 Stainless Steel
Weight	4.0 lb / 1.8 kg
Connections	#12 AWG Input Wires (Positive & Negative) Four contact output terminal
Warranty	3 years

Product Guide

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