Basic Info
- Model: CI857K01
- Part No.: 3BSE018144R1
- Manufacturer: ABB (Sweden)
- Type: INSUM Ethernet Communication Module (Master)
- System: AC 800M, 800xA
- Dimensions: 59 × 186 × 127.5 mm (W×H×D)
- Weight: 0.7 kg (with baseplate)
- Certifications: CE, UL, cUL, RoHS, WEEE
- Protection: IP20, Corrosion G3 (ISA 71.04)

Key Specs
- Protocol: ABB INSUM (Motor Bus)
- Role: Master
- Interface: RJ45 Ethernet (1 port)
- Speed: 10 Mbit/s
- Max Gateways per Module: 2
- Max Devices per Controller: 256 (PM864/PM866), 128 (PM861)
- Power: CEX-Bus (24V DC)
- Power Consumption: 150 mA typical @ 24V DC
- Temp Range: +5°C to +55°C (operating); -40°C to +70°C (storage)
- Hot Swap: Supported

Core Features
- INSUM Protocol: Optimized for ABB smart motor control units (MCUs), enabling protection, monitoring, and control.
- Ethernet Communication: 10 Mbps, high reliability, EMI-resistant.
- Scalability: Connect up to 2 gateways per module; 128–256 motors per controller.
- Hot Swap & Diagnostics: Maintenance without downtime; LED status, online fault monitoring.
- Seamless Integration: Native compatibility with 800xA/AC 800M via CEX-Bus.

Applications
- Power Distribution: Substations, MCC, motor control centers.
- Industrial Motors: Pumps, fans, compressors, conveyors, crushers.
- Process Industries: Chemical, petrochemical, metallurgy, pulp & paper.
- Smart Factories: Motor cluster monitoring, energy efficiency, predictive maintenance.

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