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The model VTC615 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 output voltage.
Features- Fully Isolated Design
- Adjustable output voltage
- Audible & visual indicators for constant current, low input voltage, low output voltage & over-temperature
- Over-temperature shutdown
- Short circuit protection
- Output overvoltage crowbar
- Cycle by cycle current limiting
- Reverse input protection
- Transient Voltage Suppression
- Ultra-quiet low EMI operation
- Dry contact output fail relay
- Custom input / output voltages from 12 to 55 VDC
- Remote control option
- 19” Rackmount Option (VTC615R)
- Digital Volt/Ammeter option
- Wide-Temperature operation Available
- Conformal Coating and/or Harsh Environment Ruggedization Available
- Product Specifications | Download
- Product Manual | Download
Applications- Telecom Power Plants
- Electric Utilities and Substations
- Marine & other Rugged Environments
- Base Station Power
- Solar / Alternative Power Systems
- Emergency Power Backup (UPS)
- Military Applications (COTS)
- Industrial Controls
- Fuel Cells
| Nominal Vdc (ip) | 24 | 48 | 72 |
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| Actual (Vdc) | 20-35 | 40-60 | 65-90 |
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| Input Amps (Max) | 39.5 | 20.3 | 12.6 |
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| Input Fuse (ATC) | 3x 15 | 1x 25 | 1x 15 |
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| Noise on Input | < 50mV |
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| Output Nominal (op) | 12 | 24 | 48 |
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| Output Volts (DC) | 13.6 0.05 | 27.2 0.05 | 54.4 0.05 |
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| Output Amps | 40cont./45peak | 20cont./25peak | 10cont./12.5peak |
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| Output Adjustment | 1.0 |
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| Output Crowbar | 16.0 0.5V | 32.0 1.0V | 63.9 2.0V |
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| Switching Frequency | 60 2 KHz |
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| Idle Power | < 10 Watts |
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| Output Ripple & Noise | < 25 mV |
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| Transient Response | < 2V for 50% Surge |
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| Regulation(Line & Load) | < +/- 0.5% |
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| Duty Cycle | Peak 20% for 10 min maxContinuous 100% for 24 hours per day |
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| Efficiency | > 80% @ Maximum Output |
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| Operating Temp. Range | -25 to +40C @ maximum output Derate Linearly 2.5% perC from 40C(Optional -40C extra wide temp. operation avail.) |
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| Humidity | 0 - 95% Relative Humidity(non-condensing) with optional conformal coating |
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| Audible Noise | NONE - 0db @ 3 ft |
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| Typical Service Life | >10 years (87,600 hours) |
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| Isolation | Input-Case & Input-Output 1500VDC (500V @ 24V I/P) Output-Case 500VDC (1500VDC @ 48V O/P) |
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| Length | 14.5 in/ 36.8 cm |
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| Width | 10.2 in/ 25.9 cm |
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| Height | 4.3 in/ 10.9 cm |
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| Clearance | 1 inch (2.5 cm) all around |
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| Material | Marine Grade Aluminium |
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| Finish | Black Anodize / Powder Epoxy Coat |
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| Fastenings | All 18-8 Stainless Steel |
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| Weight | 7.0 lb / 3.2 kg |
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| Connections | Four contact output terminals |
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| Warranty | 3 years |
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| Safety | Designed to meet CSA 22.2.107.1 & UL458 |
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