| MajorVTC 600 Watt Series |
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MajorVTC600 DC to DC Voltage Converter
The MajorVTC600 Series Voltage Converter is the high output version of the MajorVTC300 Series Voltage Converter using more powerful components, and a generously sized external heatsink for additional cooling.
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, and output overvoltage crowbar. Optional features include a dry contact alarm relay output, and remote panel monitoring with On-Off control.
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- Adjustable Output Voltage
- Audible & visual indicators
- for constant current, low input voltage, low output voltage & over-temperature
- Extremely rugged
- Well suited for marine and other demanding environments
- High tolerance
- Ultra-quiet
- High Efficiency
- Protection
- Current limiting protection
- Output over-voltage crowbar
- Reverse input protection
- Dry contact output fail relay
- Warranty
- Options
- Remote Control
- Ruggedization against shock and vibration
- Conformal coating
- Parallel output diodes to allow connection between 2 or more identical units
- Extra wide Temperature Range -40°C to +70 °C
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MajorVTC 600 Watt Specs |
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MajorVTC600-32-12 |
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MajorVTC600-32-24 |
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| Mechanical & Environmental |
| Operating Temperature Range |
0 to 40°C @ Maximum Output; Derate Linearly 2.5% per °C from 40°C |
| Humidity |
0-95°C @ Relative Humiidty (non-condensing) with optional conformal coating |
| Audible Noise |
None ØdB @ 3 feet |
| Typical Service Life |
>10 years (87,600 hours) |
| Isolation |
Input-Case & Input-Output 1500 VDC; Output-Case 500 VDC |
| Dimensions (L x W x H) |
9.1 x 7.8 x 4.3 in / 23.1 x 19.8 x 10.9 cm |
| Physical |
1 inch (2.5 cm) clearance all around; Marine grade aluminum;
Black powder epoxy coat, 18-8 Stainless steel fastenings |
| Weight |
6.0 lbs / 2.7 kg |
| Connections |
4 contact output terminals |
| Warranty |
3 years |
| Safety |
CSA/UL Pending |
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| Nominal Output Volts |
12 |
24 |
| Output Volts |
13.6 ± 0.05 VDC |
27.2 ± 0.05 VDC |
| Output Adjustment |
± 0.5 V |
± 0.5 V |
| Output Amps |
50 Continuous / 55 Peak |
35 Continuous / 40 Peak |
| Output Crowbar |
16.0 ± 0.5 V |
32.0 ± 1.0 V |
| Ripple & Noise |
<50 mV |
<50 mV |
| Transient Response |
< 1 V for 50% Surge |
< 1 V for 50% Surge |
| Line & Load Regulation |
< ±0.5% |
< ±0.5% |
| Duty Cycle |
Peak 20% for 10 min max;
Continuous 100% for 24 hours/day |
Peak 20% for 10 min max;
Continuous 100% for 24 hours/day |
| Efficiency |
> 90% @ Maximum Output |
> 90% @ Maximum Output |
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MajorVTC605 DC to DC Voltage Converter
Step up a 12 VDC battery to between 13.5 and 17.0 V or 24 and 27.5 VDC in 0.5 VDC increments (via 3 position DIP switch), or stabilize a 12 or 24 VDC power system.
Safety features include reverse input protection, low input voltage alarm, low output voltage alarm, over temperature shutdown and alarm, and output overvoltage crowbar. If the input voltage exceeds the regulated output voltage, the unit simply passes the voltage through with full LC filtering and a single schottky diode drop (0.5 VDC or less). Optional features include a dry contact alarm relay output, and remote panel monitoring with On/Off control.
Applications include temporarily brightening 12 Volt headlights or work lights, increasing voltage into an automotive or marine ignition system for hotter spark and/or prevention of failures due to voltage drop during engine start, stabilizing 12 and 24 VDC power systems in marine, automotive or aeronautical environments and more.
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- Adjustable Output Voltage
- Audible & Visual Indicators
- For constant current, low input voltage, low output voltage & over-temperature
- Extremely Rugged
- Well suited for marine and other demanding environments
- High Tolerance
- Ultra-Quiet
- Protection
- Current limiting protection
- Output over-voltage crowbar
- Reverse input protection
- Dry contact output fail relay
- Warranty
- Options
- Remote Control
- Ruggedization against shock and vibration
- Conformal coating
- Parallel output diodes to allow connection between 2 or more identical units
- Can be built to Class 1, Division 2 Standards for Hazardous Duty
- 19" Panel Rackmount
- Extra wide Temperature Range -40°C to +70 °C
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MajorVTC 605 Watt Specs |
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MajorVTC605-12-12 |
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MajorVTC605-12-24 |
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| Mechanical & Environmental |
| Operating Temperature Range |
0 to 40°C @ Maximum Output; Derate Linearly 2.5% per °C from 40°C |
| Humidity |
0-95°C @ Relative Humiidty (non-condensing) with optional conformal coating |
| Audible Noise |
None Ødb @ 3 feet |
| Typical Service Life |
>10 years (87,600 hours) |
| Isolation |
Any Input or Output to Case 1500 VDC; Input to Output - Common Negative |
| Dimensions (L x W x H) |
9.1 x 7.8 x 4.3 in / 23.1 x 19.8 x 10.8 cm |
| Physical |
1 inch (2.5 cm) clearance all around; Marine grade aluminum;
Black powder epoxy coat, 18-8 Stainless steel fastenings |
| Weight |
6.0 lbs / 2.7 kg |
| Connections |
4 contact output terminals |
| Warranty |
3 years |
| Safety |
CSA/UL Pending |
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| Model |
MajorVTC605-12-12 |
MajorVTC605-12-24 |
| Input Voltage |
10.5-18 |
10.5-28 |
| Input Amps (Maximum) |
50 |
50 |
| Input Fuse |
AGC 30 Amp x 2 |
AGC 30 Amp x 2 |
| Noise on Input |
< 50 mV |
< 50 mV |
| Low Input Voltage Alarm |
10.5 VDC |
10.5 VDC |
| Current Limit |
30 Amps in |
30 Amps in |
| Output Nominal |
12 |
24 |
| Output Volts |
Input -1 V or 13.5 to 17.0
(whichever is greater) |
Input -1 V or 24.0 to 27.5
(whichever is greater) |
| Output Amps |
45 |
45 |
| Output Crowbar |
Programmed Output Volts x 1.2 |
Programmed Output Volts x 1.2 |
| Ripple & Noise |
< 50 mV |
< 50 mV |
| Low Output Voltage Alarm |
Programmed Output Volts -2.5 VDC |
Programmed Output Volts -2.5 VDC |
| Transient Response |
< 1 V for 50% Surge |
< 1 V for 50% Surge |
| Line & Load Regulation |
< ± 0.5% |
< ± 0.5% |
| Duty Cycle |
Peak 20% for 10 min max;
Continuous 100% for 24 hours/day |
Peak 20% for 10 min max;
Continuous 100% for 24 hours/day |
| Efficiency |
> 90% @ Maximum Output |
> 90% @ Maximum Output |
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MajorVTC610 Isolated DC to DC Voltage Converter
The MajorVTC610 Voltage Converter supplies 12, 24, 32 or 48 VDC from a 48, 72, 110, 220 or 300 VDC power source. Other output voltages up to 72 volts are also available by special order.
The 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 and short circuit shutdown with automatic recovery. The output voltage is easily adjusted 0.5 volts above or below the standard output voltage to accommodate special requirements.
1 or 2 high quality analog meters can be added (factory option) to allow monitoring of charging current and charging voltage
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- Fully Isolated Design
- Transient Voltage Suppressor
- Adjustable Output Voltage
- Audible & Visual Indicators
- For constant current, low input voltage, low output voltage & over-temperature
- Extremely Rugged
- Well suited for marine, industrial and other harsh environments
- Protection
- Short circuit shutdown
- Over temperature shutdown
- Cycle by cycle current limiting
- Output over-voltage crowbar
- Reverse input protection
- Dry contact output fail relay
- High Tolerance
- Ultra-Quiet
- Custom Input Voltages
- Custom Output Voltages
- Warranty
- Options
- Remote Control
- Output Ammeter and/or Voltmeter
- Ruggedization against shock and vibration
- Conformal coating
- Parallel output diodes to allow connection between 2 or more identical units
- 19" Panel Rackmount
- Extra wide Temperature Range -40°C to +70 °C
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MajorVTC 610 Watt Specs |
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MajorVTC610-48-12 |
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MajorVTC610-48-24 |
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MajorVTC610-72-12 |
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MajorVTC610-72-24 |
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MajorVTC610-110-12 |
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MajorVTC610-110-24 |
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MajorVTC610-110-48 |
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MajorVTC610-250-12 |
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MajorVTC610-300-12 |
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MajorVTC610-300-24 |
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| Mechanical & Environmental |
| Operating Temperature Range |
0 to -40°C @ Maximum Output; Derate Linearly 2.5% per °C from 40°C |
| Humidity |
0-95°C @ Relative Humiidty (non-condensing) with optional conformal coating |
| Audible Noise |
None Ødb @ 3 feet |
| Typical Service Life |
>10 years (87,600 hours) |
| Isolation |
Input Case & Input-Output 1500 VDC; Output Case 500 VDC |
| Dimensions (L x W x H) |
14.5 x 9.9 x 3.0 in / 36.8 x 25.1 x 7.6 cm |
| Physical |
1 inch (2.5 cm) clearance all around; Marine grade aluminum;
Black powder epoxy coat, 18-8 Stainless steel fastenings |
| Weight |
4.0 lbs / 1.8 kg |
| Connections |
4 contact output terminals |
| Warranty |
3 years |
| Safety |
CSA/UL Pending |
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| MajorVTC Model |
610-48 |
610-72 |
610-110 |
610-250 |
610-300 |
| Nominal Input Voltage |
48 |
72 |
110 |
250 |
300 |
| Input Voltage |
40-65 |
65-100 |
100-140 |
230-280 |
280-360 |
| Input Amps |
20.0 |
13.3 |
8.0 |
3.5 |
2.9 |
| Input Fuse |
25 |
15 |
10 |
4 |
24 |
| Noise on Input |
< 50 mV |
< 50 mV |
< 50 mV |
< 50 mV |
< 50 mV |
| Nominal Output Voltage |
12 |
24 |
32 |
48 |
| Output Voltage |
13.6 ± 0.05 |
27.2 ± 0.05 |
36.3 ± 0.05 |
54.4 ± 0.05 |
| Ouput Adjustment |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Output Amps Continuous |
0-40 |
0-20 |
0-15 |
0-10 |
| Output Amps Maximum |
45 |
25 |
18 |
12.5 |
| Output Crowbar |
16.0 ± 0.05 V |
32.0 ± 1.0 V |
42.7 ± 1.3 V |
63.9 ± 2.0 V |
| Output Ripple & Noise |
< 50 mV |
< 50 mV |
< 50 mV |
< 50 mV |
| Transient Response |
< 2 V for 50% Surge |
< 2 V for 50% Surge |
< 2 V for 50% Surge |
< 2 V for 50% Surge |
| Switching Frequency |
60 ± 2 kHz |
60 ± 2 kHz |
60 ± 2 kHz |
60 ± 2 kHz |
| Idle Power |
< 10 Watts |
< 10 Watts |
< 10 Watts |
< 10 Watts |
| Line & Load Regulation |
< ±0.5% |
< ±0.5% |
< ±0.5% |
< ±0.5% |
| Duty Cycle |
Peak 20% for 10 min max; Continuous 100% for 24 hours/day |
Peak 20% for 10 min max; Continuous 100% for 24 hours/day |
Peak 20% for 10 min max; Continuous 100% for 24 hours/day |
Peak 20% for 10 min max; Continuous 100% for 24 hours/day |
| Efficiency |
> 85% @ Maximum Output |
> 85% @ Maximum Output |
> 85% @ Maximum Output |
> 85% @ Maximum Output |
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| Custom DC to DC Applications - Contact MajorPower.Com |
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