The TFF outdoor range of National Grid approved fuse switches covers 63A to 800A in seven sizes. All units have internal padlocking of the fuse switch in the off position, and external padlocking of the operating handle in both the on and off positions. Our TFF cabinets neatly fit between transformer radiators. Construction Enclosures are manufactured from 2mm cold reduced zintec sheet steel which are polyester paint finished to BS 381C shade 632 (other colours are available upon request). All enclosures are provided with a rain shed roof, removable front apron plate and padlockable outer door(s) for customer padlocks. Cable entry is from below as standard, or from above when requested. Protection Rating Enclosures provide outdoor protection to IP54. Busbars HDHC copper busbars are formed in-house. All bars are then electro tin plated after forming to ensure a high quality finish. Options | 
