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RS1A40D10 – SSR ZS 400V 10A 4.5-32 VDC LED
Carlo Gavazzi RS1A40D10 solid state relay with zero-cross switching, 10 A AC rating, 42–440 V AC operating voltage and 4–32 V DC control input for industrial applications.
£38.03
Why Choose the Carlo Gavazzi RS1A40D10 Solid State Relay?
The Carlo Gavazzi RS1A40D10 is a compact and reliable solid state relay (SSR) designed for industrial switching applications requiring fast, silent and maintenance-free control of AC loads. As part of the Carlo Gavazzi RS1A solid state relay series, it provides zero-cross switching technology, reliable semiconductor switching and efficient integration into industrial control panels.
This panel-mounted solid state relay offers dependable switching without mechanical contacts, reducing wear and improving service life in demanding automation environments. The RS1A40D10 is suitable for applications where precise switching of AC loads is required, including heating control, industrial machinery and process automation systems.
With a 10 A AC rated current, 42–440 V AC operating voltage range and a 4–32 V DC control input, the RS1A40D10 provides flexible control for single-phase industrial applications using a compact panel-mount format.
Key Advantages
- Reliable solid state relay designed for industrial switching applications.
- Zero-cross switching technology reduces electrical stress during switching.
- 10 A AC load rating suitable for industrial control systems.
- 4–32 V DC control input compatible with automation controllers.
- No mechanical contacts for long operating life and silent switching.
- Panel-mount design for straightforward electrical cabinet installation.
Key Features
- Carlo Gavazzi RS1A solid state relay series.
- Single-pole panel mount SSR design.
- Zero-cross switching mode.
- 10 A rated AC-51 current.
- 42–440 V AC operating voltage.
- 4–32 V DC control voltage.
- Screw terminals with captive clamp connection.
- Suitable for use with compatible Carlo Gavazzi heatsinks.
Reliable Solid State Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RS1A40D10 use semiconductor technology to switch electrical loads without mechanical contacts. This provides fast response, silent operation and improved durability compared with traditional electromechanical relays.
The RS1A series is designed for industrial automation engineers and control panel builders requiring dependable AC load switching, compact installation and reliable operation in demanding environments.
Typical Applications
- Industrial heating control systems.
- Process automation equipment.
- Temperature controllers.
- Industrial machinery switching.
- Electrical control panels.
- OEM automation systems.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Switching Current (A) | 10 A | |
| Mounting Type | Panel | |
| Terminal Type | Screw | |
| Coil / Supply Voltage | 12 V DC, 24 V DC, 5 V DC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RS1A Solid State Relays | |
| Model | RS1A40D10 | |
| Product type | Solid state relay | |
| Number of poles | 1 | |
| Switching mode | Zero cross | |
| Rated current AC-51 | 10 A | |
| Operating voltage | 42–440 V AC | |
| Control voltage | 4–32 V DC | |
| Power connection | Screw terminal with captive clamp | |
| Mounting type | Panel mounting | |
| Output type | Solid state switching |
Frequently Asked Questions
What is the Carlo Gavazzi RS1A40D10 used for?
The RS1A40D10 is a solid state relay used for switching AC loads in industrial automation and control applications.
What voltage can the RS1A40D10 switch?
The relay operates with AC loads from 42–440 V AC.
What control voltage does the relay require?
The RS1A40D10 uses a 4–32 V DC control input.
What is zero-cross switching?
Zero-cross switching activates the relay output close to the AC voltage zero point, helping reduce electrical noise and switching stress.
Does the relay require a heatsink?
Heat dissipation requirements depend on the application load and operating conditions. Compatible Carlo Gavazzi heatsinks are available for thermal management.
Trusted by Industrial Automation Engineers
Carlo Gavazzi solid state relays are widely used in industrial automation applications where reliable switching, long operating life and efficient control are essential.
