SCHNEIDER ELECTRIC P225CA0M11100 / P225CA0Z11200CO MiCOM P225 Motor Protection Relay

Overview

The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO are motor protection relays from the Schneider MiCOM P225 series. The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO are designed for full protection, monitoring and control of medium‑voltage and low‑voltage induction motors used in industrial process plants, oil & gas facilities, water treatment systems and power stations. The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO support a complete set of ANSI protection functions, local HMI display and multiple communication protocols for integration with DCS, SCADA and PLC host systems. These two variants differ in I/O configuration, communication options and auxiliary function codes, while sharing the same core protection hardware platform. As legacy spare protection units, the SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO are widely stocked for maintenance and retrofit of existing motor control and protection panels.

Features

The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO provide comprehensive motor protection including thermal overload, locked rotor, negative sequence, earth fault, phase overcurrent, undercurrent, overvoltage, undervoltage and breaker failure protection. The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO support start‑count supervision and speed monitoring for critical motor loads. The built‑in HMI allows local parameter setting, fault record viewing and event logging without software tools. Communication interfaces include Modbus RTU, IEC 60870‑5‑103 and DNP3 to upload measured values, alarms and fault waveforms to the host control system. The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO integrate multiple digital input channels and relay output contacts for breaker control, status feedback and alarm interlock. The hardware complies with global industrial EMC standards and hazardous location certifications for classified process areas. Each variant follows its factory I/O mapping and terminal definition, enabling direct replacement when matching the original ordering code.

Specs

Device Type: MiCOM P225 Motor Protection Relay Model: SCHNEIDER ELECTRIC P225CA0M11100 / SCHNEIDER ELECTRIC P225CA0Z11200CO Series: MiCOM P225 Protection Functions: ANSI 49, 50/51, 50G/51G, 46, 27, 59, 37, 50BF, 66, 14 Communication: Modbus RTU, IEC 60870‑5‑103, DNP3 Local Interface: HMI LCD display, keypad Inputs: Digital status inputs, CT/PT analog measurement inputs Outputs: Relay trip contacts, alarm contacts Mounting: Panel flush mount Protection Grade: IP20 for rear terminals, IP54 front panel Operating Temperature: -20°C ~ +60°C Application: Medium and low voltage motor protection, DCS motor control loop, pump, fan, compressor, conveyor motor

Principle

The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO receive current and voltage signals from external CT and PT sensors. The internal processor calculates motor operating conditions, compares measured values against user‑configured protection thresholds, and executes trip or alarm logic when abnormal conditions are detected. All fault events, start records and waveform captures are stored inside the relay for post‑failure analysis. The relay exchanges real‑time data with the host automation system via serial communication, supporting remote monitoring and remote setting adjustment.

Applications

The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO are installed in motor control cabinets for pumps, fans, compressors and material handling motors in chemical, petrochemical, power and water treatment plants. They provide reliable protection to prevent motor burnout and equipment damage caused by overload, phase unbalance, earth fault and abnormal supply voltage. The SCHNEIDER ELECTRIC P225CA0M11100 and SCHNEIDER ELECTRIC P225CA0Z11200CO are stocked as spare parts for emergency replacement and scheduled overhaul of existing MiCOM P225 motor protection systems. They also support motor protection loop renovation and protection coordination calibration projects.