About

About Gruner AG Gruner AG produces advanced solenoid solutions tailored for automotive and other applications. Come by and experience our active haptic actuators. We also manufacture high-quality relays and servomotors for diverse applications. With over 70 years of experience, we deliver innovation and quality from design to production. Gruner AG is a leading manufacturer of high-performance relays and electromechanical components. At The Battery Show Stuttgart, we focus on our advanced automotive relay portfolio for modern vehicle architectures. Our solutions cover the full range of automotive power systems—from proven 12 V applications and emerging 48 V architectures to high-voltage relay solutions for electric vehicles and battery systems up to 1000 V. Designed for high switching performance, low energy consumption and maximum reliability, Gruner relays ensure safe battery management, power distribution and system protection in electrified mobility.Beyond automotive, our relay solutions are widely used in energy management, charging infrastructure, automation, and building technology. Gruner also develops customized solenoids and high-precision servomotors for applications such as HVAC systems, fire and smoke protection, and industrial automation. With decades of engineering expertise and a strong focus on innovation, Gruner delivers reliable solutions for the electrified and automated world. GRUNER will display and showcase the entire line of battery disconnect relays for automotive applications, i.e., 12 Vdc, 24 Vdc, or 48 Vdc with power ratings up to 200 Amp. The relays can operate for a limited time with an overcurrent of up to 8000 Amp. While we offer a standard relay, we assist our customers with customizations. Our load management relays for solar storage applications will also be on display, and we would be happy to discuss your requirements to offer solutions. Gruner AG is a leading manufacturer of high-performance relays and electromechanical components. At The Battery Show Stuttgart, we focus on our advanced automotive relay portfolio for modern vehicle architectures. Our solutions cover the full range of automotive power systems—from proven 12 V applications and emerging 48 V architectures to high-voltage relay solutions for electric vehicles and battery systems up to 1000 V. Designed for high switching performance, low energy consumption and maximum reliability, Gruner relays ensure safe battery management, power distribution and system protection in electrified mobility.Beyond automotive, our relay solutions are widely used in energy management, charging infrastructure, automation, and building technology. Gruner also develops customized solenoids and high-precision servomotors for applications such as HVAC systems, fire and smoke protection, and industrial automation. With decades of engineering expertise and a strong focus on innovation, Gruner delivers reliable solutions for the electrified and automated world.