ABB 1SAJ240100R1020 Fieldbus Connector

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 1. Product Overview

The ABB 1SAJ240100R1020 Fieldbus Connector is a high-reliability industrial communication interface designed to connect ABB controllers, protection relays, switchgear and other devices to industrial fieldbus networks such as Profibus, Modbus, DeviceNet, and similar systems. It enables stable data exchange, device networking and remote monitoring, ensuring efficient automation and digital operation of electrical systems.

It is built with industrial-grade components, offering strong EMC resistance, secure connections, and long-term communication stability.

2. Technical Specifications

• Model: 1SAJ240100R1020

• Product Type: Fieldbus Communication Connector

• Interface Type: Fieldbus / serial communication interface (protocol-dependent)

• Supported Protocols: ABB-standard fieldbus communication

• Rated Voltage: 24 VDC

• Signal Type: Differential or serial communication

• Mounting: Plug-in / cabinet or device-side installation

• Housing Material: Industrial flame-retardant material

• Operating Temperature: –25°C to +70°C

• Storage Temperature: –40°C to +85°C

• Protection Class: IP20

• EMC Protection: Complies with industrial EMC/EMI standards

• Compatibility: Supports ABB controllers, drives, protection relays, etc.

3. Advantages & Features

• Stable and reliable industrial communication performance

• Strong compatibility with multiple ABB devices

• High EMC resistance in harsh industrial conditions

• Compact size and easy installation

• Enhanced safety and robust housing

• Plug-and-play operation for fast deployment

4. Application Areas

• Industrial automation networks

• ABB protection relay communication interfaces

• Remote monitoring and control systems

• LV and MV distribution systems

• PLC and drive system networking

• Factory production line communication

• Building automation

• Power grid digitalization

5. Precautions

1. Verify interface type and protocol compatibility before connection.

2. Avoid moisture or corrosive environments.

3. Route cables per EMC standards; avoid parallel runs with high-voltage lines.

4. Disconnect power before plugging or unplugging connectors.

5. Regularly inspect terminal tightness to ensure signal stability.

6. Operate within the specified temperature limits.

The structure and details of the product：

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