Undercover Switch Boxes
with Mini Controllers

Models 31.4040 / 31.8040

• Conveniently operate auxiliary functions with just one Mini Controller measuring approximately the length and height of a credit card.
• Model 31.4040 supports four auxiliary functions while Model 31.8040 supports eight auxiliary functions.
• The compact Mini Controller measures just 1-7/8" H x 1/2" D x 3-1/8" L, enabling it to mount in tight spaces or fit comfortably within the palm of your hand. It connects easily to the Undercover Master Relay Switch Box with a plug-in attachment.
• Daylight viewable LED lights illuminate each tactile switch and highlight the selected function.
• Each Undercover Relay Switch Box features four 15A outputs that can control up to four auxiliary functions. Measuring a compact 2-3/8" H x 5-3/8" D x 4-3/8" L, it conveniently mounts in a remote location away from the mini controller. Model 31.4040 has one Master Relay Switch Box while Model 31.8040 has one Master Relay and one Slave Relay Switch Box.
• Solid-state electrical components provide years of reliable performance.
• Engineered to withstand reverse polarity and high-voltage spikes.
• Model 31.4040 includes (1) mini controller, (1) master relay switch box and all necessary wiring.
• Model 31.8040 includes (1) mini controller, (1) master relay switch box, (1) slave relay switch box and all necessary wiring.
• Made in the U.S.A.