Overview
The Ergotron LX Pro Dual Stacking Arm, part number 45-690-293, is a dark grey desk-mounted monitor arm designed to position two displays vertically. The LX Pro design provides independent monitor adjustment with Constant Force lift-and-pivot technology, while the taller 12-inch pole provides the vertical range needed for stacked displays.
Dual-Monitor Configuration
The 45-690-293 supports two displays with a typical maximum screen size of 27 inches. The combined monitor capacity is 8–44 lb (3.6–20 kg), with the load distributed across the two monitor positions. Each display uses a VESA-compatible monitor pivot for independent positioning.
Adjustment and Mounting
The arm provides 13 inches (33 cm) of lift, 85 degrees of tilt, 360 degrees of monitor pan, and 360 degrees of monitor rotation. The desk clamp accommodates surfaces from 0.4 to 2.4 inches (10 to 60 mm) thick. The configuration uses an 11.8-inch (30 cm) pole to provide the additional vertical range required for stacked monitors.
VESA Compatibility
The monitor pivots support the MIS-D VESA mounting pattern with 75 x 75 mm and 100 x 100 mm mounting holes.
Key Features
- Dual-monitor stacking configuration for two displays
- Supports monitors up to 27 inches with 8–44 lb (3.6–20 kg) total capacity
- 13 inches (33 cm) of lift adjustment
- 85-degree tilt with 360-degree pan and rotation
- 11.8-inch (30 cm) pole with two-piece desk clamp
Applications
The 45-690-293 is intended for workstations requiring two vertically arranged displays while retaining independent monitor adjustment. The LX Pro modular design can also be used as a foundation for certain expanded multi-monitor configurations with separately specified Ergotron components.
DC Supplies Product Note
When configuring two stacked displays, verify both the individual monitor weights and the combined 44 lb (20 kg) capacity. Larger displays may have restricted movement even when their weight remains within the published capacity.
Specifications
| Brand | Ergotron |
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| Part Number / MPN | 45-690-293 |
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| Product Type | Dual monitor stacking arm |
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| Series | LX Pro |
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| Configuration | Dual Stacking |
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| Color | Dark Grey / Industrial Grey |
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| Displays Supported | 2 |
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| Typical Display Size | Up to 27 inches |
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| Total Weight Capacity | 8–44 lb (3.6–20 kg) |
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| Lift | 13 in (33 cm) |
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| Tilt | 85° (+70° / -15°) |
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| Monitor Pan | 360° |
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| Base Arm Pan | 360° |
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| Monitor Rotation | 360° |
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| Extension | Up to 25 in (64 cm) |
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| VESA Compatibility | MIS-D, 100/75, C; 100 x 100 mm and 75 x 75 mm |
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| Pole Height | 11.8 in (30 cm) |
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| Mounting | Two-piece desk clamp |
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| Compatible Desk Thickness | 0.4–2.4 in (10–60 mm) |
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| Product Weight | 15.7 lb (7.1 kg) |
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| Warranty | 10 years |
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| UPC/EAN | 0698833091731 |
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Frequently Asked Questions
How many monitors does the Ergotron 45-690-293 support?
The LX Pro Dual Stacking Arm supports two monitors in a vertically stacked configuration.
What monitor size is supported?
The typical supported display size is up to 27 inches. Larger displays may have restricted movement depending on their dimensions.
What is the total weight capacity?
The published total monitor weight capacity is 8–44 lb (3.6–20 kg).
Which VESA mounting patterns are supported?
The monitor pivots support 75 x 75 mm and 100 x 100 mm VESA mounting patterns.
What desk thickness can the clamp accommodate?
The two-piece desk clamp is designed for desk surfaces from 0.4 to 2.4 inches (10 to 60 mm) thick.
What is included with the 45-690-293?
The standard configuration includes two arms, two extensions, two monitor pivots, a two-piece desk clamp, an 11.8-inch (30 cm) pole, and attachment hardware.
