B&R 0PS120.1
24 VDC power supply unit, 1-phase, 20 A, input 115/230 VAC, auto-select, top-hat rail installation
Lifecycle & replacement
Lifecycle status not indexed
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
General information
| Status indicators / Operation | LED, green |
| Status indicators / Overload | LED, red |
| Terminals | Stable screw clamp terminal blocks |
Terminal block
| Connection cross section / Flexible | 0.5 to 4 mm² / 20 to 10 AWG |
| Connection cross section / Inflexible | 0.5 to 6 mm² / 20 to 10 AWG |
Input
| Input voltage | AC 85-132 / 184-264 V (auto-select), 47-63 Hz, auto-range |
| Input current | <10 A (115 V range) <BR/><5 A (230 V range) |
| External fuse protection | Via commercially available thermomagnetic circuit breaker |
| Transient immunity | Transient-proof per VDE 0160 / W2 |
Output (including logic)
| Output noise suppression | Device complies with EN 61000-6-3 (class B) |
| Output power | 480 W |
| Nominal voltage | 24 - 28 VDC |
| Power back immunity | 30 V |
| Protection functions | Output is short-circuit, overload- and no-load proof. |
| Permissible output load | 20 A / 24 V or 18 A / 28 V |
| Overvoltage protection | At 31 V ±3%: Transition to hiccup operation |
Efficiency, reliability
| Efficiency | Typ. 90% (230 VAC, 24 V / 20 A) |
| MTBF | 519,000 h |
| Losses | Typ. 53 W (230 VAC, 24 V / 20 A) |
Ambient conditions
| Temperature / Operation | 0 to 70°C |
| Temperature / Storage | -25 to 85°C |
| Relative humidity / Operation | Max. 95% |
Mechanical properties
| Dimensions / Width | 220 mm |
| Dimensions / Height | 124 mm |
| Dimensions / Depth | 102 mm (plus top-hat rail) |
| Installation | Easy snap-on mounting onto the top-hat rail |
| Weight | 1800 g |
| Ventilation/Cooling | Normal convection, no fan required |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.