Schneider P127BA0Z312FE0 MiCOM P127 Protection Relay Unit

Feature & Principle

This digital protection IED samples three-phase current and residual current signals from CT. It realizes multi-stage overcurrent, earth fault, thermal overload and phase unbalance protection, supports cold load start locking and automatic reclosing function. It can communicate via Modbus / IEC60870-5-103, upload measurement data and fault event records, trip the circuit breaker quickly when a fault occurs.

Specifications

Model: P127BA0Z312FE0 Brand: Schneider Series: MiCOM P127 Function: Overcurrent, earth fault, thermal overload, auto-reclose Communication: Modbus, IEC60870-5-103 Mounting: Panel flush mounting Protection: IP20 Certification: CE, IEC60255

Components & Diagnostics

CPU main board, current sampling board, relay output contact set, front HMI display, communication interface and status LED. Common faults: current sampling drift, communication disconnection, relay contact burnout, protection misoperation and self-check alarm.

Product Brief

P127BA0Z312FE0 protection relay, Schneider power spare widely used in industrial medium voltage motor and distribution feeder protection cabinet.