Jasco 59378 In-Wall Add-On Switch

Improve control and reliability of your lighting network with the Jasco In-Wall Add-On Switch — a compact, code-compliant accessory designed to expand smart switch functionality across rooms and zones. This add-on switch lets facilities managers and integrators add multi-location control without swapping out master dimmers, helping ensure consistent lighting for workspaces, corridors, and secure areas. Built for commercial-grade use, it accepts 120–277V AC input for broad compatibility and measures just 1.7" x 4.1" x 1.1" to fit standard electrical boxes and retrofit applications.

The Jasco In-Wall Add-On Switch is UL-certified and environmentally friendly, providing peace of mind on safety and sustainability requirements. By enabling coordinated lighting scenes and remote activation, it plays a direct role in improving security, surveillance visibility, and monitoring responses—especially when integrated with building automation or access control systems. With a 5-year limited warranty, this smart dimmers & light switches accessory reduces downtime and lifecycle costs. Ideal for lighting control upgrades, security-enhanced installations, and managed facilities—order the Jasco add-on switch to optimize lighting and support your monitoring strategy.

• Expands smart lighting control without replacing the primary switch, enabling seamless multi-location operation for commercial or residential installations
• Wide 120–277V AC compatibility supports diverse building power systems for reliable performance across facilities
• Compact 1.7" x 4.1" x 1.1" footprint fits standard wall boxes, simplifying retrofit and new-construction deployments
• UL-certified and environmentally friendly design reduces compliance risk while supporting sustainability goals
• Strengthens security and surveillance setups by enabling automated lighting scenes and remote monitoring integration
• Backed by a 5-year limited warranty for long-term reliability and lower total cost of ownership