B&R 0PB020.1
24 VDC Buffer Module, 0..20 A, 0.2 s / 20 A .. 3.6 s / 1 A, DIN Rail Mounting
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
| Signal connections / Outputs | 2 (buffer operation, ready for operation) |
| Signal connections / Inputs | 1 (discharge capacitor) |
| Terminals | Protection against direct contact screw clamps |
| Status indicators | Green status LED (buffer charged/discharged, charging/discharging) |
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 |
Charging mode (input)
| Battery charging data / Charging current | <600 mA |
| Internal fuse | Not available |
| Loading time | 18 to 27 s (first charge) |
| Power consumption | Typ. 1.9 W |
| Nominal voltage | DC 24V |
| Quiescent current draw | Typ. 80 mA |
Buffer operation (output)
| Buffer voltage / Response threshold | Can be selected using jumpers |
| Buffer voltage / "22.5 V fixed" | Fixed response threshold 22.5 V |
| Buffer voltage / "Vin - 1 V" | Variable response threshold (1 V under Vin) 23-27.8 V |
| Buffer time / Typical | 0.31 s at 22.5 V/20 A, 43 s at 22.5 V/100 mA |
| Buffer time / Guaranteed | 0.2 s at 22.5 V/20 A, 28 s at 22.5 V/100 mA |
| Buffer current | 0 to 20 A |
| Power back immunity | 35 V |
| Current limiting | > 20 A |
Efficiency, reliability
| Service life | >42,000 hours calculated life expectancy (TU = +40°C) |
| MTBF | Approx. 480,000 hours (readiness for operation, TU = +40°C) |
Ambient conditions
| Temperature / Operation | -10 to 70°C |
| Temperature / Storage | -25 to 85°C |
| Relative humidity / Operation | 5 to 95% |
Mechanical properties
| Dimensions / Width | 64 mm |
| Dimensions / Height | 124 mm |
| Dimensions / Depth | 102 mm (+ rail) |
| Installation | Easy snap-on mounting onto the DIN rail |
| Weight | 740 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.