Circuit Protection

Industial Automation Supply stocks 1000 products that are ready for immediate shipment. If ordered by 2PM, we are able to guarantee next day UPS delivery to anywhere in the United States.

IAS represents ABB and Schneider Electric in bringing you the best in circuit protection components.  World class molded case circuit breakers, miniature DIN rail mount UL 1077 circuit protectors, and miniature DIN rail mount UL 489 circuit breakers.  Enerdoor is a leading supplier of single phase EMI filters, three phase EMI filters, surge protection/surge suppression filters, line reactors, load reactors, RFI filters, and harmonic filters.  Mersen, formerly Ferraz Shawmut, is a world leading manufacturer of fuses and complimentary components.

Schneider Electric

Headquartered in Palatine, Ill., the North American Operating Division of Schneider Electric had sales of $6.6 billion (U.S.) in 2007 and is one of four geographic divisions of Schneider Electric, headquartered in Paris, France. Read More

Phoenix Contact

Phoenix Contact offers an innovative portfolio of industrial electro-technology with the best connections from the sensor to the controller. From the classic, modular terminal block to splash-proof machine connectors to the wireless… Read More


For more than a century, Ferraz Shawmut has been providing contractors, MROs, OEMs and specifying engineers with fuses that are innovative. Reliable. Indispensable. Today they're an international company that offers the widest range of… Read More


Enerdoor is a leading supplier of single phase, three phase and surge protection filters designed to greatly reduce emitted and conducted electrical interference in control cabinets. Read More


ABB provides electrical power and automation products, systems, solutions, and services. ABB's technology leadership, pioneering spirit and a sustainable approach to business helps customers become more profitable while lowering environmental… Read More