RS1A48LA10 - SSR ZS 480V 10A 18-36 VAC LED

RS1A48LA10 – SSR ZS 480V 10A 18-36 VAC LED

Carlo Gavazzi RS1A48LA10 solid state relay, a 10 A single-pole zero-cross switching relay designed for industrial AC load control applications.

SKU: RS1A48LA10MPN: RS1A48LA10
Price
List Price £49.13 ex VAT
Your Price (ex VAT)
£49.13
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £49.13
Trade pricing is personalised to your account

Manufacturer Lead Time

£49.13

Why Choose the Carlo Gavazzi RS1A48LA10 Solid State Relay?

The Carlo Gavazzi RS1A48LA10 is a robust single-phase solid state relay (SSR) designed for reliable switching of AC loads in industrial automation, heating control and electrical control systems. As part of the Carlo Gavazzi RS1A series solid state relay range, it provides fast, silent and maintenance-free switching using zero-cross technology for improved load control and reduced electrical interference.

This panel-mounted solid state relay combines compact construction with dependable semiconductor switching technology, making it suitable for applications where frequent switching, long service life and reliable operation are required. The integrated zero-cross switching function helps reduce inrush current and electrical noise during operation.

With a 10 A AC rated current, a 42–530 V AC operating voltage range and an 18–36 V AC/DC control input, the RS1A48LA10 is ideal for controlling resistive heating loads and other industrial AC applications requiring efficient electronic switching.

Key Advantages

  • Compact panel-mounted solid state relay for industrial switching applications.
  • 10 A AC rated current for reliable load control.
  • Zero-cross switching technology reduces electrical interference and switching stress.
  • Wide 42–530 V AC operating voltage range for flexible installation.
  • 18–36 V AC/DC control input compatible with industrial control systems.
  • Silent, fast and wear-free semiconductor switching operation.

Key Features

  • Carlo Gavazzi RS1A series solid state relay.
  • Single-pole panel mount design.
  • 10 A AC-51 rated operational current.
  • Zero-cross output switching mode.
  • 42–530 V AC operating voltage.
  • 18–36 V AC/DC control voltage.
  • Screw terminals with captive clamp connection.
  • Compatible with Carlo Gavazzi heatsink accessories.

Reliable Solid State Switching for Industrial Applications

Solid state relays such as the Carlo Gavazzi RS1A48LA10 provide electronic switching without mechanical contacts, offering extended operating life, silent operation and improved reliability compared with traditional electromechanical relays.

The RS1A series is designed for industrial automation engineers requiring dependable AC load switching. Its zero-cross switching operation and compact panel mounting format make it suitable for integration into control panels, machinery and automated systems.

Typical Applications

  • Industrial heating control systems.
  • Temperature regulation equipment.
  • Automation control panels.
  • Industrial machinery switching applications.
  • Process control equipment.
  • AC load switching systems.

Technical Specifications

Tick the specs you need, then view products that match.

Device Type Solid State Relay
Terminal Type Screw
Switching Current (A) 10 A
Mounting Type Panel
Coil / Supply Voltage 24 V AC, 24 V DC
Manufacturer Carlo Gavazzi
Series RS1A Solid State Relays
Model RS1A48LA10
Product type Solid state relay (SSR)
Switching mode Zero cross
Number of poles 1-pole
Rated current 10 A AC
Operating voltage 42–530 V AC
Control voltage 18–36 V AC/DC
Mounting type Panel mount
Power connection Screw with captive clamp
Frequency range 45–65 Hz
Isolation voltage ≥4000 V AC rms
Weight approx. 60 g

Frequently Asked Questions

What is the Carlo Gavazzi RS1A48LA10 used for?

The RS1A48LA10 is used for electronic switching of AC loads in industrial automation, heating and control applications.

What current rating does this solid state relay support?

The relay supports a rated operational current of 10 A AC for AC-51 loads.

What voltage range can the RS1A48LA10 switch?

The RS1A48LA10 operates with AC loads from 42–530 V AC.

What control voltage is required?

The relay accepts an 18–36 V AC/DC control input.

What type of switching does this relay use?

The RS1A48LA10 uses zero-cross switching to reduce electrical noise and switching stress.

Trusted by Industrial Automation Professionals

Carlo Gavazzi RS1A solid state relays are widely used in industrial control systems where reliable, silent and long-life electronic switching is required.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...