ControlScape CS-ART Astronomical Relay Timer — 15 Amp

The ControlScape CS-ART is a compact astronomical relay timer designed for landscape lighting and other AC-powered fixtures. It automatically calculates local sunrise and sunset, supports dusk/dawn offsets and realtime scheduling, and withstands harsh outdoor environments.

• Controls up to 15 Amps of AC load for lighting, pumps, and accessories.
• Compact footprint (3 x 2 x 1.25 inches) fits pass-through transformer plugs.
• Sealed 15 Amp relay to prevent condensation-related failures.
• Two independent timer sets for separate on/off schedules or scenes.
• Program by dusk/dawn with offsets or by realtime clock for flexibility.
• Automatic daily sunrise and sunset calculation with Daylight Saving adjustments.
• Operates between -22°F and 158°F for reliable outdoor performance.
• Intelligent inrush current control reduces false trips from inductive loads.
• Built-in surge suppression (4.5 kA, 34 Joules) for transient protection.
• Lithium battery backup with a 10-year life preserves settings during power loss.
• Durable black enclosure with a one-year manufacturer warranty.

Easy to install and program, the CS-ART provides dependable, automated control for landscape lighting professionals and DIY installers. Ideal as an upgrade to existing transformers or as a simple standalone timer—comes backed by ControlScape's documented specifications and one-year warranty.