Description
Indeeco SCR Master Step Controller — Model 201-S10-M10-B
The Indeeco 201-S10-M10-B is a SCR (Silicon Controlled Rectifier) Master Step Controller engineered for precise, staged control of electric heating elements in commercial and industrial HVAC applications. Designed to sequence multiple heating steps, this controller ensures smooth, efficient power delivery to electric resistance heating systems — minimizing inrush current, reducing wear on heating elements, and extending overall system life.
Key Features
- SCR-based master step control for reliable, solid-state switching of electric heating stages
- Designed to sequence multiple heating element steps for smooth, staged heat output
- Reduces electrical inrush current and mechanical stress on heating components
- Solid-state SCR technology provides longer service life versus electromechanical alternatives
- Engineered for commercial and industrial electric heating applications
- Compatible with Indeeco electric duct heaters and similar resistance heating systems
- Compact design for straightforward panel or enclosure mounting
Application
The 201-S10-M10-B is ideal for use in electric duct heating systems, unit heaters, and other multi-stage electric resistance heating installations where precise step sequencing is required. By managing the staged activation of heating elements, this controller helps maintain consistent temperature control, improves energy efficiency, and protects electrical infrastructure from damaging current spikes.
Why Choose Indeeco
Indeeco is a trusted manufacturer of electric heating solutions and controls for the HVAC industry. Their SCR controllers are built to exacting standards, offering dependable performance in demanding commercial and industrial environments. The 201-S10-M10-B reflects Indeeco’s commitment to quality, precision, and long-term reliability.
Order Information
- Brand: Indeeco
- Model / SKU: 201-S10-M10-B
- Type: SCR Master Step Controller







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