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.
RA4890LA12 – SSR ZS 480V 90A 10-90V
Carlo Gavazzi RA4890LA12 solid state relay with 90 A AC rating, zero-cross switching and 10–90 V AC/DC control input for industrial automation applications.
£88.00
Why Choose the Carlo Gavazzi RA4890LA12 Solid State Relay?
The Carlo Gavazzi RA4890LA12 is a high-performance single-phase solid state relay (SSR) designed for reliable switching of industrial AC loads in automation, heating and power control applications. As part of the trusted Carlo Gavazzi RA48 series solid state relay range, it provides fast, silent and wear-free switching with zero-cross technology for dependable industrial operation.
This panel-mounted solid state relay uses semiconductor switching technology to control high-current AC loads without mechanical contacts, providing long service life and reliable operation in demanding electrical systems. The compact design enables straightforward installation in control panels and industrial equipment.
With a rated current of 90 A AC, an operating voltage range of 42–530 V AC and a 10–90 V AC/DC control input, the RA4890LA12 is suitable for industrial applications requiring dependable high-current switching and robust load control.
Key Advantages
- High-current solid state relay designed for industrial automation.
- 90 A AC switching capacity for demanding electrical loads.
- Zero-cross switching technology reduces electrical interference.
- 10–90 V AC/DC control input for flexible control system integration.
- Panel mounting design for straightforward control cabinet installation.
- Silent semiconductor switching with no mechanical contact wear.
Key Features
- Carlo Gavazzi RA48 series solid state relay.
- Single-pole AC solid state switching.
- Zero-cross output switching mode.
- 90 A AC-51 rated current.
- 20 A AC-53a rated current.
- 42–530 V AC operating voltage range.
- 10–90 V AC/DC control voltage.
- Screw terminal power connection.
Reliable Power Switching for Industrial Automation
Solid state relays provide fast and dependable electrical switching by using semiconductor technology instead of mechanical contacts. This allows systems to achieve long service life, silent operation and improved reliability in industrial environments.
The Carlo Gavazzi RA4890LA12 is designed for automation engineers and control panel builders requiring dependable switching of high-current AC loads in heating, machinery and industrial process applications.
Typical Applications
- Industrial heating control systems.
- Temperature control equipment.
- Industrial automation panels.
- Motor and load switching applications.
- Process control equipment.
- OEM machinery and electrical control systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 90 A | |
| Mounting Type | Panel | |
| Coil / Supply Voltage | 12 V AC, 12 V DC, 24 V AC, 24 V DC, 48 V AC, 48 V DC, 60 V DC, 72 V DC | |
| Contacts | 1NO | |
| Manufacturer | Carlo Gavazzi | |
| Series | RA48 Solid State Relays | |
| Model | RA4890LA12 | |
| Product type | Solid state relay | |
| Number of poles | 1-pole | |
| Switching mode | Zero cross | |
| Rated current AC-51 | 90 A | |
| Rated current AC-53a | 20 A | |
| Operating voltage | 42–530 V AC | |
| Control voltage | 10–90 V AC/DC | |
| Mounting type | Panel mount | |
| Connection type | Screw terminals | |
| Operating temperature | -20 to 70 °C | |
| Contact configuration | SPST-NO |
Frequently Asked Questions
What is the Carlo Gavazzi RA4890LA12 used for?
The RA4890LA12 is a solid state relay used for switching high-current AC loads in industrial automation and control applications.
What current rating does this solid state relay support?
The relay supports a rated current of up to 90 A AC-51.
What voltage range does the RA4890LA12 operate with?
The RA4890LA12 operates with AC loads from 42–530 V AC.
What control voltage is required?
The relay accepts a 10–90 V AC/DC control input for switching operation.
Where is this solid state relay typically installed?
The RA4890LA12 is typically installed inside electrical control panels for industrial automation and power switching applications.
Trusted by Automation Engineers Worldwide
Carlo Gavazzi RA series solid state relays provide reliable, high-performance switching solutions for industrial automation, heating control and electrical power management systems.
