Schneider Electric S164A Micrologic 6.0P Trip Unit

Schneider Electric S164A Micrologic 6.0P Trip Unit is a field‑replaceable electronic trip unit for PowerPact P‑ and R‑frame molded‑case circuit breakers. It uses a rating plug to configure the breaker's current rating and houses the Micrologic 6.0P protection logic, delivering Long‑Time, Short‑Time, Instantaneous, and Ground‑Fault protection (LSIG) along with metering and advanced protection features. Designed to protect power circuits and loads, the S164A integrates with PowerPact P and R frames to extend protection capabilities while preserving the host breaker’s form factor. The unit is UL listed and CSA marked for use in electrical installations and can be replaced in the field, enabling upgrades or replacements without swapping the entire breaker. In supplier listings it is cataloged as S164A and also identified by the 47059 part number, reflecting its role as the PowerPact P/R trip unit associated with rating plugs on these breakers. This Micrologic 6.0P trip unit is specifically intended for PowerPact P/R frame breakers, providing precise protection control and visibility for industrial distribution applications.