B&R 4A0027.00-000
Power supply unit for Compact HMI P120/P121/P125/P126 24 VDC, 7.5 W
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
| Certifications / CE | Yes |
| Certifications / CRA (Cyber Resilience Act) | Not applicable |
| Certifications / UL | cULus E115267 Industrial control equipment |
24 VDC power supply
| Input voltage / Minimum | 18 VDC |
| Input voltage / Nominal | 24 VDC |
| Input voltage / Maximum | 30 VDC |
| Connection | Via 3-pin female multipoint connector |
| Power consumption | Max. 7.5 W |
Interfaces
| COM1 / Type | RS232 |
| COM1 / Execution | 9-pin male DSUB connector |
| COM1 / Electrical isolation | No |
| Interface to panel / Connection | Connection cable for panel connection included in delivery |
| Interface to panel / Execution | 10-pin male header |
| Interface to panel / Electrical isolation | No |
Ambient conditions
| Temperature / Operation | 0 to 50°C |
| Temperature / Storage | -20 to 60°C |
Mechanical properties
| Dimensions / Width | 114 mm |
| Dimensions / Height | 85.5 mm |
| Dimensions / Depth | 31 mm |
| Weight | 135 g |
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.