ABB 1SDA054873R1 Logic Module

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Product Model

ABB 1SDA054873R1 Logic Module

Product Overview

The ABB 1SDA054873R1 is a logic module used in low-voltage circuit breakers and distribution protection systems. It enables logic control of breaker trip/close functions, signal integration, and remote control. The module works with ABB SACE series breakers to implement automation and protection strategies, widely used in industrial, building, and infrastructure power distribution systems.

Technical Specifications

• Model: 1SDA054873R1

• Type: Logic Module

• Compatible Circuit Breakers: ABB SACE Emax / Tmax series

• Operating Voltage: 24…48 V DC

• Logic Inputs: Multiple configurable input signals for trip/close logic

• Logic Outputs: Multiple relay or digital outputs

• Mounting: DIN rail or breaker modular interface

• Operating Temperature Range: –25 °C … +60 °C

• Protection Class: IP20

• Key Functions:

  • Automatic breaker trip/close logic

  • Remote control signal input support

  • Status feedback signal output

  • Expansion of breaker intelligent control functionality

Advantages & Key Features

1. Enhances breaker intelligence: Supports logic and remote control for improved automation.

2. Modular design: Easy integration into breakers or control cabinets for installation and maintenance.

3. High compatibility: Designed for ABB SACE series breakers, ensuring system compatibility.

4. High reliability: Industrial-grade components withstand temperature changes, vibration, and long-term operation.

5. Flexible configuration: Input and output signals can be configured to meet system requirements.

Application Areas

• Breaker control and automation in industrial distribution systems

• Low-voltage building distribution and smart grid control

• Electrical protection and remote control in industrial automation lines

• Power distribution in infrastructure and public facilities

• Logic expansion in control cabinets and distribution systems

Precautions

1. Verify compatibility with breaker model and power supply voltage before installation.

2. Wiring should comply with system design to avoid false operation.

3. Install module in dry, low-vibration, non-corrosive environments.

4. Disconnect main power during commissioning for safety.

5. Periodically check module operation to ensure logic functionality.

6. Do not exceed rated voltage, current, or environmental limits to prevent damage.

The structure and details of the product：

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