ABB 2TLA020054R1700 (20-054-17) Connection Module

1. Product Overview

The ABB 2TLA020054R1700 Connection Module is a standard electrical connection component used in ABB low-voltage distribution and automation systems.
This connection module facilitates the branching and distribution of power, control signals, and communication lines, improving wiring organization, maintainability, and electrical connection reliability in distribution cabinets or control panels.

2. Technical Specifications

• Model: 2TLA020054R1700

• Part Number: 20‑054‑17

• Type: Connection Module

• Rated Voltage: ≤ 690 V AC

• Rated Current: ≤ 41 A (per channel or total, depending on configuration)

• Pole/Channel Count: Typically 2/3/4 channels per module (model dependent)

• Wire Range: 0.5–10 mm² (copper conductor)

• Mounting: DIN rail 35 mm

• Connection Type: Screw clamp terminals

• Operating Temperature: ‑25 ℃ – +70 ℃

• Protection Class: IP20 (standard cabinet installation)

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

• Standards Compliance: IEC 60947‑7‑1 / UL 1059 terminal standards

3. Key Advantages & Features

1. Compact and Organized Wiring
   Modular design allows centralized management of multiple power/signal lines for tidy wiring.

2. Reliable Electrical Connections
   Screw clamp terminals with tin‑plated copper conductors ensure low resistance and stable conductivity.

3. Easy Installation
   Supports standard DIN rail mounting for quick installation, removal, and maintenance.

4. Wide Compatibility
   Works with ABB breakers, contactors, PLCs, relays, terminal blocks, and other devices.

5. Durable and Safe
   Flame‑retardant housing offers heat resistance and enhanced safety in industrial environments.

6. Versatile Use Cases
   Suitable for power distribution, signal branching, grounding, and internal cabinet connections.

4. Typical Applications

• Power distribution and branch wiring in distribution cabinets

• Signal connections between PLC/controller and field devices

• Industrial automation sensor/actuator wiring distribution

• Motor control boxes, distribution panels, and load connections

• Building electrical system terminal connections

• Internal cable connections for UPS, switchgear, and drives

5. Installation & Usage Notes

1. Rated Matching
   Ensure the module’s rated voltage and current match your circuit requirements to prevent overload or poor contact.

2. Terminal Tightening
   Tighten wire clamping screws with appropriate torque to prevent loosening, arcing, or poor connection.

3. Neat Routing
   Separate and organize power, control, and signal wires to reduce interference, especially for low‑level signals.

4. Environmental Conditions
   Install in dry, clean, and ventilated cabinet interiors; avoid moisture, corrosive gases, or excessive dust.

5. Inspection and Maintenance
   Periodically check terminal tightness and insulation to maintain stable connections.

6. Safe Power‑Off Work
   Perform installation and maintenance with power switched off to prevent electrical hazards or equipment damage.

The structure and details of the product：

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