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ASKM3L MCCBs for Pilbara Iron Ore Processing Plant

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Project Introduction


Solution Delivered

AISAKI implemented its ASKM3L Intelligent Molded Case Circuit Breaker (MCCB) in a large-scale iron ore mining operation in Western Australia, providing robust circuit protection for critical mineral processing equipment.


Project: ASKM3L MCCBs for Pilbara Iron Ore Processing Plant

Project Overview

Location: Pilbara Region, Western Australia (World’s largest iron ore production area)

Application: Power Distribution Protection for Crushing & Screening Plants


AISAKI’s Scope:

  • Deployed 72 units of ASKM3L-630 MCCBs (630A frame)

  • Configured with Advanced Microprocessor Protection (LSIG)

  • Integrated with plant PLC system via Modbus TCP/IP



Key Technical Specifications:

  • Rated Current: 630A

  • Ultimate Breaking Capacity: 100kA at 415V

  • Protection Features: LSIG + Zone-Selective Interlocking

  • Environmental Rating: IP66 (Dust Tight/Water Jet Proof)

  • Operating Temperature: -40°C to +85°C



Challenges Overcome

  • Extreme Heat & Dust – Special heat-dissipating design for 50°C+ ambient temperatures

  • High Fault Currents – 100kA breaking capacity for mining grid faults

  • Corrosive Atmosphere – Stainless steel hardware resisted salty coastal air



Customer Benefits

1. Enhanced Equipment Protection

  • Zone-selective interlocking minimized outage areas

  • Vibration-resistant contacts withstood conveyor impacts

  • Transparent arc chutes enabled visual inspection


2. Operational Excellence

  • 50% faster fault clearing vs previous breakers

  • Energy monitoring reduced power costs by 12%

  • Hot-swappable modules enabled <10-minute maintenance


3. Smart Mining Integration

  • Real-time load data fed to digital twin system

  • Predictive maintenance alerts via PLC interface

  • Ready for future battery hybrid systems

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