Why Choose the Carlo Gavazzi RP1A40D3 Solid State Relay?
The Carlo Gavazzi RP1A40D3 is a compact PCB mount solid state relay (SSR) designed for reliable AC load switching in industrial automation, control electronics and embedded electrical systems. As part of the Carlo Gavazzi RP1 solid state relay series, it provides zero-cross switching, semiconductor reliability and long operational life in space-constrained applications.
This single-pole PCB-mounted SSR provides silent, wear-free switching compared with conventional electromechanical relays. Its zero-cross switching technology helps reduce electrical interference and switching stress, making it suitable for resistive and inductive AC loads controlled by PLCs, microcontrollers and automation systems.
With a rated current of 3 A AC, an operating voltage range of 20–440 V AC and a 3–32 V DC control input, the RP1A40D3 is ideal for PCB-based industrial control applications requiring dependable AC switching.
Key Advantages
- Compact PCB mount solid state relay for industrial applications.
- 3 A AC rated current for reliable load switching.
- Zero-cross switching for reduced electrical noise.
- 3–32 V DC control input compatible with digital control systems.
- Solid state construction provides silent operation and extended service life.
- Suitable for integration into compact electronic assemblies.
Key Features
- Carlo Gavazzi RP1 solid state relay series.
- 1-pole PCB mount SSR design.
- 3 A rated current (AC-51).
- 2 A rated current (AC-53a).
- 20–440 V AC operating voltage range.
- 3–32 V DC control voltage range.
- Zero-cross output switching mode.
- Soldering pin PCB connection.
- Compact encapsulated solid state construction.
Reliable PCB-Based AC Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RP1A40D3 provide efficient electronic switching by using semiconductor technology instead of mechanical contacts. This allows fast response, silent operation and improved reliability in applications requiring frequent switching cycles.
The RP1 series is designed for direct PCB integration in industrial controllers, automation equipment and electronic assemblies where compact size and dependable AC switching performance are required.
Typical Applications
- Industrial automation controllers.
- PCB-mounted control systems.
- Heating and temperature control equipment.
- Machine control electronics.
- Process automation systems.
- AC load switching applications.
