Lovato RGK400SA is a stand-alone engine and generator controller designed for dependable on-site control without a supervisory system. Featuring an icon display for clear status indication and a compact 110x110 mm front dimension, the RGK400SA integrates neatly into control panels. Scalable I/O from 5+5 to 9+7 via EXP modules supports varied application needs while keeping wiring straightforward.
Built for reliability across environments, it operates from -30 to +60 °C, making it suitable for cold rooms and warm plant areas alike. Compliance with IEC/EN 61010-1, IEC/EN 61010-2-030 and IEC/EN 61326-1, plus UL508 and CSA C22.2-N°14, underpins safety and EMC performance. Backed by Lovato and a Sustainability certification, it fits OEM builds and retrofit upgrades.
Key Benefits
Stand-alone control for engines and generators, no supervisory system required.
Icon display provides quick, intuitive status recognition at a glance.
Compact 110x110 mm front dimension simplifies panel integration.
Scalable I/O: 5+5 up to 9+7 using EXP modules.
Operates reliably from -30 to +60 °C across varied environments.
Conforms to IEC/EN 61010 and IEC/EN 61326-1 standards.
UL508 and CSA C22.2-N°14 recognition supports global compliance needs.
Sustainability certification aligns with corporate environmental objectives.
What’s Included
Lovato RGK400SA engine and generator controller
User documentation (downloadable)
Basic mounting accessories
Safety and compliance information
Applications
Stand-alone control of engine and generator sets
OEM genset panels requiring compact, icon-based control
Retrofit upgrades of existing generator controllers
Industrial backup power and emergency generator systems
Rental and mobile generator applications
Technical Specifications
HS Code
85389091
Product type designation
RGK400SA
Operating temperature
-30 to +60 °C
Frequently Asked Questions
What is the Lovato RGK400SA used for?
It is an engine and generator controller designed for stand-alone control of gensets.
Does the RGK400SA support stand-alone operation?
Yes. Its listed function is Stand alone, enabling independent control.
What are the front dimensions of the RGK400SA?
The front dimension is 110x110 mm, suitable for compact panels.
How many I/O points does it support?
It offers 5+5 up to 9+7 I/O when using EXP modules.
What operating range and standards does it meet?
It operates from -30 to +60 °C and conforms to IEC/EN 61010-1, IEC/EN 61010-2-030, IEC/EN 61326-1, UL508 and CSA C22.2-N°14.
Safety note: Install and operate the controller according to the listed IEC/EN, UL and CSA standards, and ensure ambient conditions remain within -30 to +60 °C.
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.
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500 +
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Customers supported
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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.
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...
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...