The Schneider Electric Micom P143 is an overcurrent protection relay designed for critical power system applications. This relay is part of the Micom P143 series, a robust line of protection devices engineered for reliable performance in demanding industrial environments. Its primary function is to detect and respond to overcurrent conditions, safeguarding electrical equipment from damage.

Technical details

• Series: Micom P143
• Product Type: Overcurrent Protection Relay
• Functionality: Detects and responds to overcurrent faults.
• Protection Features: Configurable overcurrent protection stages (e.g., definite time, inverse time characteristics).
• Control Inputs: Typically includes multiple digital inputs for trip commands, blocking, and signaling.
• Output Contacts: Features multiple relay outputs for tripping circuit breakers and issuing alarm signals.
• Communication Interface: May support serial communication protocols for remote monitoring and configuration (specific protocol to be verified against datasheet).
• Power Supply: Operates on standard industrial AC or DC auxiliary power (specific voltage range to be verified against datasheet).

Applications & compatibility

The Micom P143 relay is commonly deployed in medium and high-voltage substations, industrial power distribution systems, and utility networks. It is essential for protecting transformers, feeders, motors, and generators from damaging overcurrent events, ensuring the stability and reliability of the power grid.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the P143316A6M0468J or contact our technical team for cross-reference assistance with compatible Micom P143 components.