About American Power Connection Systems, Inc.

American Power Connection Systems, Inc. was founded in Bay City, Michigan in 1992. APCSI is a growing manufacturing company that specializes in custom designed laminated shunts, bus bars, and cables. With an in-house Tool & Die Dept. and our experienced shunt manufacturers, we are available for all your needs. Depending on material availability, APCSI has a delivery time of 2 weeks, but 1-3 day rush orders are available for an additional cost. We are more than happy to quote your standard or custom designed connectors.

Bottom Line ... we manufacture the highest quality U.S.A. made product available anywhere! Give us a call and we'll prove it to you!!!

Product Showcase

Case Studies & Industry Articles


CUSTOM SHUNTS AND CONTACTSWe custom design laminated shunts in a range of hole patterns and sizes. The terminal [more]

Power Distribution Units deliver up to 100 KW output.

BATTERY CONNECTORS AND BUS BARHauppauge, New York - Spellman High Voltage Electronics announces the introduction of its new Power Distribution unit (PDU).[more]


CUSTOM BUS BARWe specialize in custom designing and manufacturing bus bars for the automotive, aircraft, and switch [more]

Global Switchgear Market for Power Industry 2016 Industry Size

CUSTOM BUS BARSwitchgear Market for Power Industry provides an detailed overview of Switchgear Market for Power Industry scenario.[more]