Elecbee SSR-25DD Solid State Relay DC-DC 25A 4-32VDC Control 5-120VDC Load

The Elecbee SSR-25DD is a high-performance single-phase DC-to-DC solid state relay engineered for contactless power switching in industrial automation, process control, and embedded power distribution systems. Capable of switching loads from 5VDC to 120VDC at up to 25A continuous current using a low-voltage 4VDC to 32VDC control input, this solid state module delivers spark-free, arc-less operation with high electromagnetic isolation between control and load circuits.

Key Technical Specifications

• Model / MPN: SSR-25DD
• Relay Type: Single Phase DC-to-DC Solid State Module
• Control Voltage Range: 4 - 32 VDC
• Load Voltage Range: 5 - 120 VDC
• Rated Load Current: 25A
• Thermal Management: Heavy-duty metal baseplate tightly coupled with internal power semiconductors
• Switching Mechanism: Contactless solid-state semiconductor switching

Industrial Applications & Integration

Engineered for harsh operating environments, the Elecbee SSR-25DD is ideal for industrial process automation, DC motor control, battery management systems (BMS), solar power switching, automated machinery, and heavy DC resistive/inductive load control. Direct thermal bonding between internal power chips and the integrated metal baseplate ensures efficient internal thermal transfer, supporting continuous operational reliability.

Reliability & System Compatibility

Featuring complete solid-state construction with no moving mechanical parts, this relay offers high shock and vibration resistance to eliminate contact bounce, arc flash, and mechanical wear. The 4-32VDC input allows seamless direct drive integration with PLCs, microcontrollers (Arduino, Raspberry Pi, STM32), PID controllers, and digital I/O modules requiring minimal drive current.

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