Allen-Bradley 2711-B5A9L1X — Operator Interface

Part number	2711-B5A9L1X
Brand	Allen-Bradley
Category	HMI
Description	Operator Interface
Manufacturer	Allen Bradley
Product Type	Operator Interface
Product Line	Panelview 550
Part Number	2711-B5A9L1X
Weight	3.06 lbs (1.39 kg)
Temperature, Storage	-20 to 70 °C (-4 to 158 °F)
Heat Dissipation	20 W (69 BTU/hr)
Relative Humidity	5 to 95% non-condensing at 0 to 30 °C (32 to 86 °F)
Altitude, Operating	2000 m (6561 ft)
Input Type	Keypad/Touch
Display Type	Monochrome
Display Area (WxH)	120 x 60 mm (4.75 x 2.38 in.)
Display Size	5.5 in.
Resolution	256 x 128
Input Voltage	24V DC
Power Consumption	45 VA max
Communication	RS-232 (DH-485)
RS-232 Print	Yes
Temperature, Operating	0 to 55 °C (32 to 131 °F)

The 2711-B5A9L1X is an operator interface device from Allen Bradley's PanelView 550 series. Its 5.5-inch monochrome display has a resolution of 256 x 128 pixels, enabling straightforward data visualization and interaction.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.