AC/DC Power Supplies
PRBX DBC300 Series AC/DC Power Supply
The PRBX DBC300 Series AC/DC Power Supply is a compact and efficient solution for industrial, defense, and railway applications. Delivering up to 300W of power, it ensures reliable and stable performance in challenging environments.
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Features
- Up to 300W Military power supply
- 85-264 VAC input voltage ranges. PFC
- 1-2 isolated outputs
- 200*80* 40mm very low profile
- Industrial or ruggedised versions
- Active very low inrush current
Specifications
Technical Illustrations
Downloads
| INPUT | |
|---|---|
| Input voltage | 85-264VAC. 100-350VDC. |
| Frequency | 47Hz min, 50Hz typ, 440Hz max |
| Power factor | 0.96 typ, 230VAC, 50Hz, Pnom |
| Input current | 4.5A at Vin min. |
| No-load input power | 8W at Vin typ. |
| Peak inrush current | 3A Vin max. |
| Start-up time | 1s typ. |
| Input fuse | A fuse mounted inside the psu protects against damages in case of a failure. |
| Fuse type | Schurter, 5A, 3403.0173L. |
| Transient protection | VDR and common mode input filter |
| OUTPUT | |
|---|---|
| Output Voltage | See Selection Table |
| Redundant operation | Requires external oring diodes. |
| Paralleling operation | Active current share of identical m-boards with PR signal |
| Hold-up time | Yes. |
| Output current prot. | Constant current mode, automatic recovery. |
| Overvoltage protection | Typically >120%Vnom, latching type |
| Remote on/off | An isolated INHIB signal disable corresponding output voltage when connected to RTN. |
| Voltage adjustment | 90-110%Vnom by build in trimmer or external 0.6-1.25V signal referred to RTN. |
| Remote sense | V1, V2, total drop <0.5V, positive line drop <0.25V. |
| Powergood | Common opto-isolated signal referred to RTN. Closed=OK. LED for each output. |
| Auxiliary bias voltage | 5VDC, limited to 200mA. |
| ENVIRONMENTAL | |
|---|---|
| Operating temperature | -20°C to +85°C (T-option -40°C). |
| Heatsink temperature | -20°C to +100°C (T-option -40°C). |
| Storage temperature | -40°C to +125°C. |
| Over temp. protection | 105°C ± 5°C base plate, autorecovery <70°C |
| Damp heat | MIL STD 810 Proc. 507-2. |
| Shock | MIL STD 810 Proc. 516.3 |
| Vibrations | MIL STD 810 Proc. 514-5 |
| MTBF/MIL-HDBK-217F | Heatsink, GB, GF 40°C 285000 hrs 165000 hrs 70°C, 139500 hrs, 82300 hrs 100°C, 86500 hrs, 51000 hrs |
| GENERAL | |
|---|---|
| Electric strength | Input to earth 1500Vrms Input to output 3000Vrms Output to earth 500Vrms. |
| Insulation resistance | >100Mohms. |
| Dimensions | 200 x 80 x 40mm |
| Weight/ | 600g approx |
| Case | Aluminum natural. |
| OPTIONS | |
|---|---|
| MIL-STD ruggedized (-M) | Meet MIL-STD 461E CE102, MIL-STD 1399-300A, MIL-STD810E shock & vibrations. No laboratory certification. |
| -40°C operation (-T) | The thermal grade of the DC/DC converters used and other components are changed to comply with low ambient temperature. |
| Conformal coating (-V) | During manufacturing process , when V option is specified, components and pcb are covered with an acrylic coating to address high level of ambiant humidity application. |
| Heatsink (-H, -H1) | Thermal resistance: 1.8°C/W at natural convection, 0.6°C/W at 2m/s. -H: a 15 mm heatsink is mounted on the baseplate with longitudinal fins. -H1: a 15 mm heatsink is mounted on the baseplate with transversal fins |
| IP option (-IP) | Full IP65 enclosed mechanical available |
| STANDARDS | |
|---|---|
| Safety standards | Built to meet IEC60950-1, EN60950-1. |
| EMC | |
| Surges | Built to meet EN61000-4-5, 1kV, Criteria B. 2kV, Critiera A |
| Electrostatic discharge | Built to meet EN61000-4-2, 8000V, Critiera B. |
| Fast transients/burst | Built to meet EN61000-4-4, 4000V, Critiera B. |
| Harmonics | Built to meet EN61000-3-2. |
| Flickers | Built to meet EN61000-3-3 Built to meet EN61000-4-3, -6, -11 |
| INPUT | |
|---|---|
| Input voltage | 85-264VAC. 100-350VDC. |
| Frequency | 47Hz min, 50Hz typ, 440Hz max |
| Power factor | 0.96 typ, 230VAC, 50Hz, Pnom |
| Input current | 4.5A at Vin min. |
| No-load input power | 8W at Vin typ. |
| Peak inrush current | 3A Vin max. |
| Start-up time | 1s typ. |
| Input fuse | A fuse mounted inside the psu protects against damages in case of a failure. |
| Fuse type | Schurter, 5A, 3403.0173L. |
| Transient protection | VDR and common mode input filter |
| OUTPUT | |
|---|---|
| Output Voltage | See Selection Table |
| Redundant operation | Requires external oring diodes. |
| Paralleling operation | Active current share of identical m-boards with PR signal |
| Hold-up time | Yes. |
| Output current prot. | Constant current mode, automatic recovery. |
| Overvoltage protection | Typically >120%Vnom, latching type |
| Remote on/off | An isolated INHIB signal disable corresponding output voltage when connected to RTN. |
| Voltage adjustment | 90-110%Vnom by build in trimmer or external 0.6-1.25V signal referred to RTN. |
| Remote sense | V1, V2, total drop <0.5V, positive line drop <0.25V. |
| Powergood | Common opto-isolated signal referred to RTN. Closed=OK. LED for each output. |
| Auxiliary bias voltage | 5VDC, limited to 200mA. |
| ENVIRONMENTAL | |
|---|---|
| Operating temperature | -20°C to +85°C (T-option -40°C). |
| Heatsink temperature | -20°C to +100°C (T-option -40°C). |
| Storage temperature | -40°C to +125°C. |
| Over temp. protection | 105°C ± 5°C base plate, autorecovery <70°C |
| Damp heat | MIL STD 810 Proc. 507-2. |
| Shock | MIL STD 810 Proc. 516.3 |
| Vibrations | MIL STD 810 Proc. 514-5 |
| MTBF/MIL-HDBK-217F | Heatsink, GB, GF 40°C 285000 hrs 165000 hrs 70°C, 139500 hrs, 82300 hrs 100°C, 86500 hrs, 51000 hrs |
| GENERAL | |
|---|---|
| Electric strength | Input to earth 1500Vrms Input to output 3000Vrms Output to earth 500Vrms. |
| Insulation resistance | >100Mohms. |
| Dimensions | 200 x 80 x 40mm |
| Weight/ | 600g approx |
| Case | Aluminum natural. |
| OPTIONS | |
|---|---|
| MIL-STD ruggedized (-M) | Meet MIL-STD 461E CE102, MIL-STD 1399-300A, MIL-STD810E shock & vibrations. No laboratory certification. |
| -40°C operation (-T) | The thermal grade of the DC/DC converters used and other components are changed to comply with low ambient temperature. |
| Conformal coating (-V) | During manufacturing process , when V option is specified, components and pcb are covered with an acrylic coating to address high level of ambiant humidity application. |
| Heatsink (-H, -H1) | Thermal resistance: 1.8°C/W at natural convection, 0.6°C/W at 2m/s. -H: a 15 mm heatsink is mounted on the baseplate with longitudinal fins. -H1: a 15 mm heatsink is mounted on the baseplate with transversal fins |
| IP option (-IP) | Full IP65 enclosed mechanical available |
| STANDARDS | |
|---|---|
| Safety standards | Built to meet IEC60950-1, EN60950-1. |
| EMC | |
| Surges | Built to meet EN61000-4-5, 1kV, Criteria B. 2kV, Critiera A |
| Electrostatic discharge | Built to meet EN61000-4-2, 8000V, Critiera B. |
| Fast transients/burst | Built to meet EN61000-4-4, 4000V, Critiera B. |
| Harmonics | Built to meet EN61000-3-2. |
| Flickers | Built to meet EN61000-3-3 Built to meet EN61000-4-3, -6, -11 |
Find the Right Model
| Model Number | Input Voltage (Vac) | Output Voltage (Vdc) | Output Current (A) | ||
|---|---|---|---|---|---|
|
DBC-x75-NN | 110/230Vac | Output 1: 24 (3 to 52.8)Vdc | Output 1: 22.7A | |
|
|
DBC-x150-NN | 110/230Vac | Output 1: 24 (3 to 52.8)Vdc | Output 1: 22.7A | |
|
|
DBC-x300 | 110/230Vac | Output 1: 24 (3 to 52.8)Vdc | Output 1: 45A | |
|
|
DBC-x75-x75 | 110/230Vac | Output 1: 24 (3 to 52.8)Vdc Output 2: 24 (3 to 52.8)Vdc | Output 1: 22.7A Output 2: 22.7A | |
|
|
DBC-x75-x150 | 110/230Vac | Output 1: 24 (3 to 52.8)Vdc Output 2: 24 (3 to 52.8)Vdc | Output 1: 22.7A Output 2: 22.7A | |
|
|
DBC-x150-x150 | 110/230Vac | Output 1: 24 (3 to 52.8)Vdc Output 2: 24 (3 to 52.8)Vdc | Output 1: 22.7A Output 2: 22.7A |
Need help finding the right product model?
