ABB PR212/CI 1SDA050708R1 Circuit Breaker

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1. Product Overview

The ABB PR212/CI (Part No. 1SDA050708R1) is a control interface module designed for ABB low-voltage circuit breakers, particularly those equipped with PR212 trip units. It serves as an auxiliary control component that enables command transmission, remote control interfaces, logic expansion, and contactor-driving functions. Compact and easy to install, it enhances intelligence and reliability in modern power distribution systems.

2. Technical Specifications

Basic Information

• Model: PR212/CI

• Part Number: 1SDA050708R1

• Product Type: Circuit breaker control interface module

• Compatible Devices: ABB low-voltage breakers using PR212 trip units (e.g., Isomax S4–S7, Tmax, Ekip series)

• Function: Auxiliary control & logic interface

• Mounting: Internal mounting in switchgear or breaker assembly

• Weight: Approx. 0.07 kg

• Dimensions: Approx. 105 mm × 95 mm × 150 mm

Electrical & Functional Features

• Supports communication with PR212 trip units

• Provides auxiliary or contactor control signal output

• Enables remote control or coordination logic

• Suitable for signal processing and protection coordination in LV distribution systems

• Easy integration into various cabinet configurations

Environmental Ratings

• Operating environment: Installed inside control cabinets

• Typical temperature range: 0–55°C

• Protection level: Depends on cabinet installation conditions

3. Advantages & Key Features

• Modular and compact design for easy integration

• High compatibility with multiple ABB breaker series

• Reliable control performance ensuring accurate signal transmission

• Easy installation and maintenance with lightweight construction

• Supports intelligent control when paired with PR212-based systems

• Industrial-grade reliability for long-term operation

4. Application Areas

• Industrial automation and factory power systems

• Medium and large switchboards and distribution panels

• Building electrical control systems

• Energy, utilities, and substation secondary circuits

• Mechanical and electromechanical equipment control

• Data centers and critical power management systems

5. Precautions

• Ensure full compatibility with the main circuit breaker and PR212 trip unit.

• Follow ABB wiring diagrams strictly during installation.

• Install only in dry, ventilated electrical cabinets.

• Regularly inspect terminal connections for secure operation.

• Installation and commissioning should be performed by qualified electrical personnel.

The structure and details of the product：

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