Black Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB are provided by DAV industries. The product Black Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB has a test block and the cover are made of black Bakelite moulding. The Black Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB are provided with moulded barriers and are provided in base between adjacent terminals to give complete protection against fiash over. The cover of the Black Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB is secured in place by knurled sealing nuts. All terminals, shorting links, screws of the Black Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB are of brass and nickel plated to prevent corrosion. Black Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB is available in a compact model. The basic terminal arrangement consists of the Bakelite Cut out diagonal for 3Ø [Capital o slash] - 4W TTB three voltage terminals and a neutral terminal together with 3 sets of current terminals. The links are connected to the terminals by means of screws and knobs.