Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
RS1A23A1-40 – SSR ZS 230V 40A 110VAC LED
Carlo Gavazzi RS1A23A1-40 single-phase solid state relay with 110 V AC control input, 230 V AC zero-cross switching output and 40 A load current rating for industrial automation applications.
Why Choose the Carlo Gavazzi RS1A23A1-40 Solid State Relay?
The Carlo Gavazzi RS1A23A1-40 is a high-performance single-phase solid state relay (SSR) designed for reliable AC load switching in industrial automation and control systems. As part of the Carlo Gavazzi RS1A solid state relay series, it provides zero-cross switching technology, long service life and efficient control of resistive electrical loads.
This solid state relay features a 110 V AC control input, a 230 V AC load switching output and a 40 A rated current capacity, making it suitable for industrial heating, lighting and power control applications where reliable, maintenance-free switching is required.
With zero-cross switching, integrated LED status indication and a robust panel-mount construction, the RS1A23A1-40 provides dependable switching performance while helping reduce electrical noise and mechanical wear compared with traditional electromechanical relays.
Key Advantages
- Single-phase solid state relay designed for industrial AC load switching.
- 40 A rated operational current for demanding applications.
- Zero-cross switching technology reduces electrical interference during operation.
- 110 V AC control input for integration with industrial control systems.
- Integrated LED indication for clear control status monitoring.
- Panel mounting design for secure installation in electrical assemblies.
Key Features
- Carlo Gavazzi RS1A solid state relay series.
- 1-pole AC solid state relay.
- 230 V AC nominal load voltage.
- 40 A AC rated operational current.
- 110 V AC control voltage.
- Zero voltage turn-on switching.
- LED control input indication.
- Screw terminal connection.
- Optically isolated solid state switching technology.
Reliable AC Load Switching for Industrial Applications
Solid state relays such as the Carlo Gavazzi RS1A23A1-40 provide fast, silent and reliable switching for industrial electrical loads. Unlike mechanical relays, SSR technology uses semiconductor switching components to provide extended operating life and reduced maintenance requirements.
The RS1A series is designed for automation engineers and control panel builders requiring dependable switching performance for heating systems, industrial machinery and electrical control applications.
Typical Applications
- Industrial heating control systems.
- Temperature controllers and thermal equipment.
- Industrial automation panels.
- Lighting control applications.
- Machine control systems.
- AC load switching applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Load Voltage | 230 V AC | |
| Mounting Type | Panel | |
| Switching Current (A) | 40 A | |
| Coil / Supply Voltage | 110 V AC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | RS1A Solid State Relays | |
| Model | RS1A23A1-40 | |
| Product type | Solid state relay (SSR) | |
| Relay type | Photo-coupled solid state relay | |
| Number of poles | 1 | |
| Switching mode | Zero crossing | |
| Rated operational voltage | 230 V AC | |
| Operational voltage range | 42–265 V AC | |
| Rated operational current | 40 A AC | |
| Control voltage | 110 V AC ±15% | |
| Frequency | 45–65 Hz | |
| Mounting type | Panel mount | |
| Terminal type | Screw terminals | |
| LED indication | Yes | |
| Operating temperature | -40 to +80 °C | |
| Protection rating | IP20 with optional cover | |
| Approvals | CE, cURus, CSA, EAC, UKCA |
Frequently Asked Questions
What is the Carlo Gavazzi RS1A23A1-40 used for?
The RS1A23A1-40 is a single-phase solid state relay used for reliable AC load switching in industrial automation and control applications.
What load current can this solid state relay handle?
The RS1A23A1-40 has a 40 A rated operational current for AC switching applications.
What control voltage does the relay require?
The RS1A23A1-40 operates with a 110 V AC control input.
What switching technology does this SSR use?
The relay uses zero-cross switching technology to provide reliable AC switching with reduced electrical noise.
How is the relay installed?
The RS1A23A1-40 is designed for panel mounting with screw terminal connections in industrial control assemblies.
Trusted by Industrial Automation Professionals
Carlo Gavazzi solid state relays are widely used in industrial automation and control systems where reliable, long-life AC switching performance is required.
