Havells Crabtree Signia 16A 3-Pin Shuttered Socket – Grey The Havells Crabtree Signia 16A 3-Pin Shuttered Socket – Grey is a heavy-duty solution designed for high-power electrical appliances in modern homes and commercial spaces. With a 16A capacity, it is ideal for devices like air conditioners, microwaves, and geysers. Built-in safety shutters provide protection against accidental contact, ensuring enhanced safety for daily use. Made from high-quality polycarbonate, it offers durability, heat resistance, and long life. The sleek grey matte finish adds a premium look to interiors, while its modular design ensures easy installation and perfect compatibility with Signia plates.