Controller Selector
From compact OEM controllers to high-performance systems for semiconductor and thermal processing, find the right Control Concepts product for your application.
ENGINEERED
Designed, built & supported in Minnesota
PRECISION
Power control for critical processes
RELIABILITY
Premium components. Built to last.

ATOM Single Phase Power Controller
Ideal when space is limited but performance still matters. A strong fit for OEMs and…
ATOM Three Phase Power Controller
Ideal when space is limited but performance still matters. A strong fit for OEMs and…
MicroFUSION Single Phase
An ultra precise, compact, and digital SCR power controller that adapts to both analog and…
MicroFUSION Three Phase
An ultra precise, compact, and digital SCR power controller that adapts to both analog and…
FUSION Single Phase Power Controller
Precise and reliable SCR power control for high power applications.
FUSION Three Phase Power Controller
Precise and reliable SCR power control for high power applications.
ATOM SEMI
Ideal for OEM semiconductor manufacturers needing value control in a limited space, featuring advanced connectivity,…
MicroFUSION SEMI
Available in single phase with Copy Exact longevity. An ultra-compact, high-performance, microprocessor-based power controller specifically…
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Quick Controller Comparison
Not every application needs the same level of control, size, or complexity. This quick comparison helps you identify the best starting point.
| ATOM | MicroFUSION | FUSION | Custom Controllers | |
|---|---|---|---|---|
| Main Features | Single and three phase 16 – 80A AC or DC output | Single and three phase 8 – 400A AC output | Single and three phase 500 – 1200A AC or DC output | 1 – 4 zones Optimized price performance AC or DC output |
| Performance Level | Good | Ultra high performance | High performance | Optimized for the application |
| Footprint | Ultra compact | Compact | Larger / panel-focused | Optimized for the application |
| Best For | Cost sensitive applications | High performance applications | High power & high performance applications | OEMs with high volume orders, high performance & lower price |
| Ease of Use / Setup | Excellent | Excellent | Excellent | Optimized for the application |
| Configuration Flexibility | ✔ | ✔ | ✔ | ✔ |
| Technical Support | ✔ | ✔ | ✔ | High collaboration |
Your production line needs precision, reliability, and quick answers always.
When failure isn’t an option, work with engineers who understand what’s at stake and are ready to help.