Penbro - Leading suppliers of specialised electrical products penbro.co.za, CNC punching, metal bending, laser cutting, pipe bending, fitting & turning, welding services, power transformers, PCB transformers, custom made coils, home UPS, Socomec UPS, Rotary UPS, portable generators, brake resistors, wire wound resistors, edge wound resistors, printed circuit board manufacturers, power supplies, industrial battery chargers, modular power racks, plating rectifiers, cathodic protection, power inverters, ac distribution boards, dc distribution panels, Penbro Kelnick is a leading and established South African supplier of specialised electrical products to the Railway, Telecommunications, Utilities, Mining and Industrial sectors.