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RP1A40D3 – SSR ZS PCB MT.400V 3A
Carlo Gavazzi RP1A40D3 PCB mount solid state relay, a 3 A single phase zero-cross AC switching relay with 3–32 V DC control input for industrial automation applications.
£18.64
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.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | PCB / pins | |
| Switching Current (A) | 3 A | |
| Mounting Type | PCB | |
| Coil / Supply Voltage | 12 V DC, 24 V DC, 5 V DC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RP1 | |
| Model | RP1A40D3 | |
| Product type | Solid state relay (SSR) | |
| Mounting type | PCB mounting | |
| Number of poles | 1 | |
| Number of phases | 1 | |
| Switching mode | Zero cross | |
| Rated current AC-51 | 3 A | |
| Rated current AC-53a | 2 A | |
| Operating voltage | 20–440 V AC | |
| Control voltage | 3–32 V DC | |
| Output type | AC switching | |
| Power connection | Soldering pins | |
| Peak voltage rating | 850 V |
Frequently Asked Questions
What is the Carlo Gavazzi RP1A40D3 used for?
The RP1A40D3 is a PCB mount solid state relay designed for switching AC loads in industrial automation and electronic control applications.
What current rating does the RP1A40D3 support?
The relay supports a rated current of 3 A AC-51 and 2 A AC-53a applications.
What voltage does the Carlo Gavazzi RP1A40D3 switch?
The RP1A40D3 operates with an AC load voltage range of 20–440 V AC.
What control signal is required?
The relay is controlled using a 3–32 V DC input signal, making it suitable for digital control systems.
How is the RP1A40D3 mounted?
The RP1A40D3 is designed for PCB mounting using soldering pins for direct circuit board integration.
Trusted for Industrial Switching Applications
Carlo Gavazzi RP1 solid state relays provide reliable PCB-based switching solutions for automation engineers and equipment manufacturers requiring compact, high-cycle AC control.
