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BSSR-DA Single Phase Solid State Relay DC to AC

BSSR-DA Series Solid State Relay is a single-phase DC-to-AC solid state relay designed for industrial heating, motor control, temperature control systems, automation equipment, and switching applications. It features DC 3-32V control input, AC 24-480V load output, fast switching, stable performance, compact design, and good heat dissipation. The SSR-DA Series is available from 10A to 120A and is suitable for use with temperature controllers, PLCs, heating equipment, ovens, plastic machinery, and

BSSR-DA Single Phase Solid State Relay DC to AC

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Key Features Technical Specifications Application Scenarios

  • DC input and AC output solid state relay
  • Control voltage: 3–32VDC
  • Load voltage: 24–480VAC
  • Current range: 10A to 120A available
  • Fast switching response, ≤10ms
  • Stable operation and long service life
  • Compact structure and easy installation
  • Suitable for resistive and inductive loads
  • Heat sink recommended for loads above 10A
  • Widely used with temperature controllers and heating systems

ItemSpecification
Product NameSolid State Relay
SeriesBSSR-DA Series
ModelsBSSR-10DA / 25DA / 40DA / 60DA / 80DA / 100DA / 120DA
Control TypeDC Control AC
Input Voltage3–32VDC
Load Voltage24–480VAC
Output Current10A–120A Optional
Switching Time≤10ms
Leakage Current≤5mA
Drive Current5–20mA
Working Temperature-30°C to +70°C
Housing TypeCompact Panel Mounting
Heat SinkRecommended for high current load


  • Temperature control systems
  • Electric heating equipment
  • Ovens and furnaces
  • Plastic machinery
  • Packaging machinery
  • Automation equipment
  • Motor control systems
  • Lighting control
  • Industrial control cabinets
  • PLC control systems

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Key Features
  • DC input and AC output solid state relay
  • Control voltage: 3–32VDC
  • Load voltage: 24–480VAC
  • Current range: 10A to 120A available
  • Fast switching response, ≤10ms
  • Stable operation and long service life
  • Compact structure and easy installation
  • Suitable for resistive and inductive loads
  • Heat sink recommended for loads above 10A
  • Widely used with temperature controllers and heating systems

Technical Specifications
ItemSpecification
Product NameSolid State Relay
SeriesBSSR-DA Series
ModelsBSSR-10DA / 25DA / 40DA / 60DA / 80DA / 100DA / 120DA
Control TypeDC Control AC
Input Voltage3–32VDC
Load Voltage24–480VAC
Output Current10A–120A Optional
Switching Time≤10ms
Leakage Current≤5mA
Drive Current5–20mA
Working Temperature-30°C to +70°C
Housing TypeCompact Panel Mounting
Heat SinkRecommended for high current load


Application Scenarios
  • Temperature control systems
  • Electric heating equipment
  • Ovens and furnaces
  • Plastic machinery
  • Packaging machinery
  • Automation equipment
  • Motor control systems
  • Lighting control
  • Industrial control cabinets
  • PLC control systems

BSSR-DA Single Phase Solid State Relay DC to AC
BSSR-DA Series Solid State Relay is a single-phase DC-to-AC solid state relay designed for industrial heating, motor control, temperature control systems, automation equipment, and switching applications. It features DC 3-32V control input, AC 24-480V load output, fast switching, stable performance, compact design, and good heat dissipation. The SSR-DA Series is available from 10A to 120A and is suitable for use with temperature controllers, PLCs, heating equipment, ovens, plastic machinery, and
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