Marathon Special Products, a Regal Rexnord business, is a premier manufacturer of electrical wiring devices and terminal blocks, headquartered in Bowling Green, Ohio, USA. Established with a long history in the electrical industry, the company specializes in providing safe and reliable connectivity solutions for industrial, commercial, and OEM applications. Its comprehensive product portfolio includes terminal blocks, fuse holders, power distribution blocks, and disconnect switches, with a strong emphasis on high-quality and durable designs. Under the Kulka brand, Marathon offers heavy-duty terminal blocks and custom wiring harnesses known for rugged performance. Key product series include the Euro-style terminal blocks, barrier strips, combination blocks, and a wide range of fuse holders for Class J, CC, RK, and midget fuses. The company also supplies power distribution blocks, ground fault circuit interrupters, and custom designed electrical assemblies tailored to customer specifications. Marathon Special Products maintains a leading position in North America for terminal block and wiring device solutions, supported by a vast distribution network and engineering expertise. Its products are widely used in control panels, switchgear, HVAC, and transportation systems, ensuring operational safety and compliance with international standards. Continual investment in manufacturing and testing facilities reinforces its reputation for reliability and innovation in the passive electronic components sector.