B&R 4MP251.0571-12
Mobile Panel MP251 control device, 5.7" QVGA color LCD display, 14 soft keys and 19 system keys, key switch and emergency switch-off, 64 MB SDRAM, 256 kB SRAM, CompactFlash slot (type I), ETH 10/100, CAN, USB 1.1, battery, 24 VDC. Order handle and cables separately.
Lifecycle & replacement
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
| Battery / Type | Renata 950 mAh |
| Battery / Service life | 2 years |
| Battery / Removable | Yes, on the back via handle |
| Battery / Variant | Lithium ion |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / UL | cULus E115267 Industrial control equipment |
Controller
| Processor / Type | Geode SC2200 |
| Processor / Clock frequency | 266 MHz |
| Processor / L1 cache | 16 kB |
| Processor / L2 cache | No |
| Processor / Floating point unit (FPU) | Yes |
| Processor / MMX-compatible | Yes |
| Real-time clock / Accuracy | Typ. 20 ppm (1.7 seconds) per day |
| Real-time clock / Battery-backed | Yes |
| Graphics / Controller | Geode SC2200 |
| Graphics / Memory | 4 MB shared memory (reserved by main memory) |
| SRAM / Size | 256 kB |
| SRAM / Battery-backed | Yes |
| Bootloader | Automation Runtime |
| Mode/Node switches | 2, 16 positions each (back) |
| Watchdog | Internal system management controller |
Display
| Viewing angles / Horizontal | Direction R / Direction L = 55° |
| Viewing angles / Vertical | Direction U = 55° / Direction D = 40° |
| Backlight / Brightness | 150 cd/m² |
| Backlight / Half-brightness time | 50,000 h |
| Filter glass / Transmittance | >98% |
| Filter glass / Anti-glare coating | Multiple on both sides |
| Touch screen / Type | - |
| Touch screen / Technology | - |
| Touch screen / Controller | - |
| Touch screen / Transmittance | - |
| Type | Color LCD |
| Diagonal | 5.7" (144 mm) |
| Colors | 256 |
| Resolution | QVGA, 320 x 240 pixels |
| Contrast | 250:1 |
Interfaces
| COM1 / Type | RS232, modem supported, not galvanically isolated |
| COM1 / Variant | 9-pin male DSUB connector |
| COM1 / UART | 16550-compatible, 16-byte FIFO buffer |
| COM1 / Max. baud rate | 115 kbit/s |
| CompactFlash slot 1 / Type | Type I |
| CompactFlash slot 1 / Connection | Primary IDE |
| USB / Quantity | 1 |
| USB / Type | USB 1.1 |
| USB / Variant | Type A |
| USB / Transfer rate | Low speed (1.5 Mbit/s), full speed (12 Mbit/s) |
| Ethernet / Quantity | 1 |
| Ethernet / Controller | MacPhyter DP83816 |
| Ethernet / Transfer rate | 10/100 Mbit/s |
| Ethernet / Max. baud rate | 100 Mbit/s |
| CAN / Quantity | 1 |
| CAN / Controller | SJA1000 |
| CAN / Connection | Via Mobile Panel cable |
Keys
| LED luminous intensity / Yellow | 12 mcd |
| Function keys | No |
| Soft keys | 8 without LED 6 with LED (yellow) |
| System keys | Numeric keys 4 system keys |
| 3-axis joystick | No |
| Electronic handwheel | No |
| Illuminated pushbutton | No |
| Emergency switch-off | 2 normally closed contacts, right position |
| Enable switch | 3-position, 2-channel, position on front of handle |
| Override potentiometer | No |
| Key switch | Yes |
| Service life | >1,000,000 actuations at 1 ±0.3 N to 3 ±0.3 N actuating force |
| LEDs | No |
Electrical properties
| Nominal voltage | 24 VDC ±25% (integrated reverse polarity protection) |
| Inrush current | Max. 20 A for ca. 1 ms |
| Power consumption | Typ. approx. 8 W, max. 10 W |
| Galvanic isolation | No |
Operating conditions
| Drop height | 1 m to industrial floor |
| Flame-retardant | UL 94 V-0 |
| Degree of protection per EN 60529 | IP54 protected against dust and splashed water (only with handle 4MPHDL.0000-00) |
Ambient conditions
| Temperature / Operation | 0 to 45°C |
| Temperature / Storage | -20 to 60°C |
| Temperature / Transport | -20 to 60°C |
| Vibration / Operation (continuous) | 2 to 9 Hz: 1.75 mm amplitude / 9 to 200 Hz: 0.5 g |
| Vibration / Operation (occasional) | 2 to 9 Hz: 3.5 mm amplitude / 9 to 200 Hz: 1 g |
| Vibration / Storage | 2 to 8 Hz: 7.5 mm amplitude / 8 to 200 Hz: 2 g / 200 to 500 Hz: 4 g |
| Vibration / Transport | 2 to 8 Hz: 7.5 mm amplitude / 8 to 200 Hz: 2 g / 200 to 500 Hz: 4 g |
| Shock / Operation | 15 g, 11 ms |
| Shock / Storage | 30 g, 15 ms |
| Shock / Transport | 30 g, 15 ms |
| Elevation / Operation | Max. 2000 m |
Mechanical properties
| Housing / Material | Double-walled plastic housing (Cycoloy C2950) |
| Housing / Coating | Soft paint, similar to RAL 7016 |
| Front / Panel overlay / Material | Polyester |
| Front / Panel overlay / Light background color | Similar to Pantone 427CV |
| Front / Panel overlay / Gray keys color | Similar to Pantone 429CV |
| Front / Panel overlay / Dark gray keys color | Similar to Pantone 431CV |
| Front / Panel overlay / Orange keys color | Similar to Pantone 151CV |
| Front / Design | Gray |
| Front / Gasket | Flat gasket around display front |
| Dimensions / Width | 306.6 mm |
| Dimensions / Height | 76 mm |
| Dimensions / Depth | 270.6 mm |
| Weight | Approx. 1650 g |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
3D CAD models
ECAD / EPLAN
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.