Description
The Intermatic ET90215C is a professional-grade 365-day astronomical time switch engineered for reliable, long-term scheduling of lighting, HVAC, and other electrical loads. Designed to handle both 120V and 277V applications, this versatile unit features dual SPDT (Single Pole Double Throw) output contacts, making it ideal for commercial and industrial control scenarios where independent switching of two separate circuits is required.
Key Features
- Wide voltage compatibility: operates at 120V or 277V for flexible installation across residential, commercial, and light industrial applications
- Dual 2SPDT output contacts for independent control of two separate loads or circuits
- 365-day astronomical programming automatically adjusts ON/OFF times based on sunrise and sunset throughout the entire year
- Eliminates the need for manual seasonal time adjustments, reducing maintenance demands
- Intermatic’s trusted electromechanical and electronic time switch engineering for dependable, long-service-life performance
- Suitable for controlling lighting systems, HVAC equipment, signage, and other scheduled electrical loads
Specifications
- Brand: Intermatic
- Model / SKU: ET90215C
- Voltage Rating: 120/277V
- Contact Configuration: 2SPDT (Double Pole Double Throw equivalent — two independent SPDT outputs)
- Program Type: 365-Day Astronomical
Ideal Applications
- Commercial outdoor and indoor lighting control
- HVAC system scheduling and energy management
- Parking lot, signage, and security lighting
- Any application requiring year-round, sunrise/sunset-based automatic switching
The Intermatic ET90215C delivers the precision and reliability that HVAC and electrical professionals demand. Its astronomical programming engine ensures your loads follow the natural solar cycle all year long — no seasonal reprogramming required. Trust Intermatic’s proven time switch technology to keep your systems running on schedule, every day of the year.







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