The Sigma Instruments 42RO-500G-SIL DPDT General Purpose Plug-In Relay 7136 is a high-quality electrical component designed for various industrial and commercial applications. This relay, manufactured by Sigma, is a single unit specifically designed for general purpose use. Its plug-in design makes installation and maintenance easier, while its durable construction ensures long-lasting performance in a wide range of electrical systems. Ideal for businesses and professionals in need of reliable relay solutions, this product offers cost-effective functionality and efficiency.