Whelen Bulb H35SN12 35-watt, 12-volt halogen bulb with a snap-in base. Proudly, Whelen Engineering has led the emergency warning industry since 1952, celebrating its 70th anniversary in 2022. Proudly manufacturing in America, Whelen delivers reliable and powerful warning lights, white illumination lighting, sirens, controllers, and high-powered warning systems. Their products serve industries including Automotive, Aviation (through Whelen Aerospace Technologies, WAT), and Mass Notification worldwide.George W. Whelen founded the company in his garage in Deep River, Connecticut, sparking a legacy of American craftsmanship. Today, Whelen operates two state-of-the-art facilities in Connecticut and New Hampshire, covering over 1,000,000 square feet of manufacturing space. As the industry leader, Whelen employs and supports American workers, infusing quality and innovation into every product.

Whelen boasts the largest design staff in the industry, with over 1,500 skilled employees. Their mission focuses on protecting those who protect and serve by delivering products people trust with their lives. Whelen’s commitment to quality ensures that every light, siren, and system performs reliably in critical situations.

The company proudly designs, sources, and manufactures all products in America. Their rigorous on-site testing meets and often exceeds the toughest industry certifications, ensuring peak performance. Each product reflects Whelen’s dedication to innovation, reliability, and American engineering excellence.

At Whelen, every product showcases the company’s foundation of quality and dedication to public safety. Firefighters, law enforcement officers, and emergency responders worldwide rely on Whelen products daily. These lights and sirens aren’t just equipment—they’re tools that help save lives and protect communities.