ABB 2TLA020054R0200 (20-054-02) Link Adapter

1. Product Overview

The ABB 2TLA020054R0200 Link Adapter is an accessory used in ABB low‑voltage distribution and automation systems to provide reliable electrical and mechanical links between modules and components.
It enables secure interconnection of control modules, bus bars, expansion units, and other electrical elements, simplifying wiring, improving installation efficiency, and enhancing overall system stability.

2. Technical Specifications

• Model: 2TLA020054R0200

• Part Number: 20‑054‑02

• Type: Link Adapter

• Connection Interface: Module bus/terminal link

• Rated Voltage: ≤ 690 V AC

• Rated Current: Varies with application (commonly 10–40 A)

• Wire Size: 0.75–6 mm² (copper conductor)

• Connection Type: Plug‑in / snap‑on / DIN rail assisted mount

• Mounting: DIN rail 35 mm or corresponding accessory rail

• Operating Temperature: ‑25 ℃ – +70 ℃

• Protection Class: IP20

• Insulation Material: Flame‑retardant plastic housing + tin‑plated copper conductors

• Standards Compliance: IEC 60947‑1, IEC 60947‑7‑1

3. Key Advantages & Features

1. Easy Installation
   Plug‑in/snap‑on design enables quick installation and removal, saving time and labor costs.

2. Reliable Connection
   Tin‑plated copper conductors and flame‑retardant housing ensure safe, stable, and low‑resistance linkage.

3. High Compatibility
   Suitable for interconnection of various ABB wiring modules and distribution components.

4. Space‑Saving Design
   Compact structure fits dense wiring layouts and control cabinet spaces with limited room.

5. Improved Maintenance Efficiency
   Easy to replace and inspect, reducing system downtime.

6. Industrial‑Grade Material
   Flame‑retardant plastic and reinforced mechanical structure adapt to harsh industrial environments.

4. Typical Applications

• Internal wiring connections in low‑voltage distribution cabinets

• Signal/power interconnection of PLC/logic control modules

• Control panel component extension links

• Wiring between relays, contactors, and auxiliary modules

• Internal wiring systems of industrial automation equipment

• Bridging terminal devices and bus bars

5. Installation & Usage Notes

1. Connection Matching
   Verify that the adapter type and orientation match the modules to be linked before installation to avoid incorrect contact.

2. Insulation & Isolation
   Ensure the adapter does not contact exposed metal parts to prevent short circuits or leakage.

3. Wire Size Selection
   Select appropriate wire cross‑section based on rated current and connection point to avoid overload.

4. Secure Connections
   After installation, ensure snap‑on or plug‑in connectors are fully seated to prevent loosening and poor contact.

5. Environmental Conditions
   Avoid direct exposure to high humidity, corrosive atmospheres, or heavy dust to extend service life.

6. Routine Inspection
   Periodically check adapter connections for tightness and oxidation to ensure long‑term stability.

The structure and details of the product：

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