Durakool

SDA3-15 Series

The SDA3-15 is a high-performance 3-phase solid-state contactor designed for industrial power control up to 480VAC. It features a 15A rated current per phase and supports control voltage ranges of 4V to 32V DC or 90V to 250V AC, making it ideal for motor control, heating applications, power management, and automation systems.

This contactor utilizes zero-crossing switching technology, ensuring low-noise and interference-free operation. The built-in LED control input indicator allows easy monitoring of the operating status, while the integrated heatsink ensures efficient heat dissipation for long-term reliability. Designed for DIN rail mounting, the SDA3-15 is easy to install and integrates seamlessly into industrial systems. It is also UL certified, meeting international safety and performance standards.
  • High Load Capacity – Supports 15A rated current per phase, ideal for heavy-duty applications.

  • Three-Phase Solid-State Control – Suitable for industrial motors, heating systems, and power management.

  • Wide Control Voltage Range – Accepts 4V to 32V DC or 90V to 250V AC, providing application flexibility.

  • Zero-Crossing Switching TechnologyMinimizes electromagnetic interference (EMI) and enhances switching stability.

  • Integrated HeatsinkImproves heat dissipation for long-term performance.

  • LED Status IndicatorProvides real-time input signal monitoring for easy diagnostics.

  • DIN Rail MountingStandard industrial installation for easy integration.

  • UL CertifiedEnsures compliance with global safety and performance regulations.

  • Industrial Motor Control

  • Heating and Temperature Regulation Systems

  • Automation Equipment and Machinery Control

  • Industrial Power Management

  • Fan, Pump, and Compressor Control

  • AC Power Switching Applications

Parameter Specifications
Switching Voltage Up to 480VAC
Contact Configuration 3PST (No Mechanical Contacts)
Rated Current 15A per phase
Control Voltage Range 4V32V DC, 90V250V AC
Switching Technology Zero-Crossing Switching
LED Control Indicator Yes
Heatsink Integrated
Mounting Type DIN Rail
Dimensions (L × W × H) 100 × 110 × 80 mm
Certifications UL Certified
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