Features Enhanced Safety: Defend power contacts from electric sparks, prevent circuit damage, and minimize explosion risks, ensuring prolonged electronic product lifespan. Superior Heat Dissipation: Utilizes aluminum base plate for efficient heat dissipation, with the option to add a copper plate for enhanced conduction, ensuring optimal performance in heat-intensive applications. Convenient Control: Easy-to-use lock key control switch with LED indicator, allowing for seamless on/off operation with visual status confirmation. High-Performance MOS Tube: Equipped with large package MOS tube for superior overcurrent and heat dissipation capabilities, ensuring reliable and durable performance. Durable Construction: Crafted from corrosion-resistant and strong aluminum alloy, offering wear resistance and a long lifespan for sustained reliability in various applications. Specification: Item Type: Anti Spark Switch Material: Aluminum Alloy Continuous Current: 150A Maximum Continuous Current: 300A Maximum Input Voltage: 90V Applicable Fields: Robotic Arms, Robots, DIY off Road Vehicles. Package List: 1 x Anti Spark Switch Note: The LED button is inserted into the switch by default in the factory state, please do not power on the switch without the LED button connected. Package List 1 x Anti Spark Switch