The ABB DSSB146 functions as a precision DC/DC converter for industrial control systems requiring stable power. This unit accepts 18-32 VDC input and delivers regulated 5 VDC output for sensitive electronics. Engineers rely on this converter for powering logic circuits and I/O modules reliably. Its compact design integrates easily into crowded cabinet environments.
Technical Specifications
| Specification | Details |
|---|---|
| Dimensions | 100 mm x 50 mm x 40 mm |
| Weight | 0.25 kg |
| Input Voltage | 18 – 32 VDC nominal (24 VDC typical) |
| Output Voltage | 5 VDC ±2% regulation |
| Output Current | 2 A maximum, 0.25 A minimum load |
| Output Power | 13 Watts maximum |
| Load Range | 0.25 A to 2 A continuous |
| Efficiency | 82% typical at full load |
| Ripple & Noise | 50 mV peak-to-peak maximum |
| Line Regulation | ±0.5% over entire input range |
| Load Regulation | ±1.0% from 10% to 100% load |
| Protection Features | Overcurrent, short circuit, overtemperature |
| Isolation | 1500 VDC input to output |
| Connectors | Screw terminals, 2.5 mm² wire capacity |
| Cooling | Natural convection |
| Operating Temp | -25°C to 70°C |
| Storage Temp | -40°C to 85°C |
| MTBF | 500,000 hours at 40°C |
| Article Number | 4894 0001-AP |
Reliable Power Conversion for Control Systems
The DSSB146 delivers clean 5 VDC power even with fluctuating input voltages from 18 to 32 VDC. Its wide input range accommodates battery systems and unstable DC buses without output disruption. This converter maintains tight voltage regulation from 0.25 A minimum up to 2 A full load. Therefore, it powers both standby circuits and fully loaded systems reliably.
Comprehensive Protection Features
Industrial environments demand power supplies that withstand electrical faults and abnormal conditions. The DSSB146 includes overcurrent protection that limits output during short circuits automatically. Thermal shutdown prevents damage during extended overload conditions or high ambient temperatures. The converter recovers automatically once fault conditions clear for uninterrupted operation.
Efficient Thermal Management
This ABB converter achieves 82% efficiency, minimizing heat generation within control cabinets. Its aluminum housing dissipates heat effectively without requiring forced air cooling. You can therefore mount multiple units in close proximity without thermal concerns. The wide -25°C to 70°C operating range suits unheated enclosures and warm machinery areas.
Simple Integration and Wiring
The DSSB146 features front-access screw terminals for straightforward field wiring connections. Input and output terminals accept wires up to 2.5 mm² for flexible installation options. Clear labeling indicates polarity and terminal functions for error-free connections. The compact 100 mm x 50 mm footprint fits standard DIN rail or panel mounting.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |
Reviews
There are no reviews yet.