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Access our full support library for setup, troubleshooting, system integration, cross-reference for discontinued competitor products and more!
Don’t know where to get started? Come over to our exclusive Project Planner to get recommendations for Lightronics solutions specific to your needs!
Looking to engage with the Lightronics team face to face or connect with one of our approved dealers at a local event? Take a look at our calendar!
Lightronics has been manufacturing reliable lighting solutions for over 40 years. Learn more about our History, Values, and Employment Opportunities here!
Products » Portable Dimming » AS40D
The AS40D is a 4-channel portable A/C dimmer pack compatible with DMX-512 lighting control systems. Designed for flexible, on-the-go operation, it is ideal for spaces requiring temporary lighting for events, locations without dimming power infrastructure, or areas with limited space needing compact lighting control. Supporting up to 2,400 watts total load capacity, it provides 600 watts per channel across four channels for reliable operation. Designed for use with incandescent and dimmable lighting fixtures, it delivers portable dimmed output control, supports non-dimmable (relay) operation, and includes built-in chase functionality for stand-alone use without a controller.
| Weight | 3.6 lbs |
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| Dimensions | 8 × 9 × 2.25 in |
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| Unity Architectural Lighting Enabled (LitNet) | |
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(Click here to see comparable discontinued Lightronics products and competitor products!)
The Lightronics AS40D is a 4-channel portable A/C dimmer pack designed for DMX-512 operation. Built for flexible, on-the-go use, it provides reliable control of connected lighting loads in temporary, compact, or mobile installations. The unit connects directly to a 120VAC power source and distributes dimmed or switched output across four channels, allowing quick setup for portable lighting applications.
Key Features
• 4 dimming channels, 600W per channel (2,400W total)
• DMX-512 control with 5-pin XLR input/output
• Switchable non-dim (relay) mode for compatible loads
• 8 built-in chase patterns for stand-alone operation
• Standard 120V Edison duplex power cord (3-prong wall outlet)
• Standard 120V Edison output connectors for connected devices
• 5 Amp fuses per channel for circuit protection
• Sequential DIP switch mapping for flexible DMX configuration
• Compact, portable design for temporary installations or areas with limited space
Users can control lighting through a DMX-512 console or operate the unit independently using built-in chase patterns. This stand-alone capability makes it well suited for smaller setups where a full control system is not required, while DMX-512 compatibility allows seamless integration into larger lighting systems.
Integration into existing lighting systems is straightforward. The AS40D supports standard DMX-512 daisy-chain connections for multiple dimmer packs and can be configured for relay operation when controlling non-dimmable loads. This flexibility allows the unit to be used across a wide range of portable lighting applications.
Designed for dependable, portable operation, the AS40D delivers consistent dimming performance in a compact form factor. Its durable construction, flexible control options, and stand-alone functionality make it a practical solution for facilities and events requiring reliable, mobile lighting control.
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