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Control Concepts 320BSMA4 - 3-Phase SSR 480VAC 20A (Zero Cross)

Control Concepts
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Control Concepts 320BSMA4 is a three-phase solid state power controller engineered for precise regulation of resistive heating loads in demanding industrial environments. This unit operates at 480VAC and 20A, utilizing zero-cross firing mode for smooth and reliable power delivery, and is powered directly by a 4-20mA command signal to eliminate the need for a separate control transformer. The controller weighs 5.19 lb and is designed for vertical surface mounting with natural convection cooling, featuring a compact form factor that supports high-density installations. It provides robust performance with 2500VAC RMS isolation between input/output and line voltage, ensuring operational safety and reliability. Typical applications include ovens, furnaces, and kilns where accurate temperature control is critical.

Key Features & Specifications
  • Type: Three-Phase Solid State Power Controller
  • Voltage: 480VAC
  • Amperage: 20A
  • Firing Mode: Zero Cross
  • Control Signal: 4-20mA
  • Mounting: Vertical Surface
  • Cooling: Natural Convection
  • Isolation: 2500VAC RMS
  • Weight: 5.19 lb
  • Applications: Ovens, Furnaces, Kilns
  • Features: No Control Transformer Required, LED Diagnostic Indicator


Part Number: 320BSMA4