Intermatic ET8015C 120-277V 30A SPST 7-Day Astronomic Digital Timer

The Intermatic ET8015C is a versatile digital timer designed to automate loads with precision and reliability. It operates across a broad voltage range (120–277 VAC) and is housed in a sturdy indoor NEMA 1 metal enclosure, making it well suited for basements, utility rooms, or other indoor spaces. With its to-the-minute programming, independent 7-day schedules, and robust feature set, this timer helps you tailor control to your specific routine without sacrificing accuracy.

Designed for flexible, real-world use, the ET8015C offers several capabilities that adapt to varied tasks. It supports multi-volt operation, a wide temperature range, and a range of programming options that let you mix daily patterns with more complex weekly plans. In addition to standard scheduling, it includes an astronomic feature that automatically handles sunset-on and sunrise-off timing, which can reduce the need for separate photo-control devices.

Key capabilities at a glance

• Automatic load switching based on a preset weekly schedule with minute-level accuracy.
• Multi-volt compatibility across 120–277 VAC, 50/60 Hz, ideal for diverse installations.
• To-the-minute programming for precise control of loads and routines.
• Astronomic feature for sunset-on and sunrise-off, enabling intelligent scheduling without extra sensors.
• Independent 7-day programming for flexibility when daily patterns vary by day.

Practical applications

This timer is well suited for indoor lighting, fans, pumps, or other controlled loads in protected spaces such as utility rooms, garages, or office spaces. The 1-circuit design and a 30-amp rating cover a wide range of modest to moderate loads while maintaining a compact footprint.

• Indoors, in basements or garages, where a durable NEMA 1 enclosure protects electronics.
• In environments with varying temperatures, thanks to a wide operating range from -40°F to 104°F (-40°C to 40°C).

Upgrade path and reliability

Replacing a basic mechanical switch with the ET8015C brings flexible scheduling, automatic daylight saving time corrections, and potential energy savings. The device can support up to 28 events and offers a dependable upgrade path for smarter control without significant rework.