ABB TU542-H I/O Terminal Unit

The TU542-H ABB is a high-performance I/O terminal unit from the S500 series, designed for 24 VDC high-current modules in AC500 PLC systems. Featuring spring terminal connections and hot-swap capability, this module allows seamless installation and replacement without system downtime—ideal for high-demand automation applications requiring continuous operation.

Technical Specifications

Manufacturer: ABB
Product ID: 3ABD00038956
Extended Product Type: TU542-H
ABB Type Designation: TU542-H
Function: For 24 VDC High Current Modules, Spring Terminals, Hot Swap
Degree of Protection: IP20
Mounting Type: DIN Rail
Product Main Type: TU542
Product Type: Distributed Automation I/Os

Mechanical Dimensions

Product Net Weight: 0.164 kg
Gross Weight: 0.194 kg
Product Dimensions (L × W × H): 28 mm × 67.5 mm × 135 mm
Package Dimensions (L × W × H): 147 mm × 78 mm × 40 mm
Package Units: 1 carton

Compliance & Classification

eClass: 27-24-22-92
ETIM (8/9/10): EC000810 – PLC Mounting Rack
UNSPSC Code: 32151703
CE Declaration of Conformity: 3ADR980146
RoHS Compliance: Following EU Directive 2011/65/EU and Amendment 2015/863
REACH Declaration: 3ADR980139
REACH Date: 2024-12-06
WEEE Category: 5 – Small Equipment
WEEE Type: Business to Business (B2B)
Made to Order: No

Ordering Information

Minimum Order Quantity: 1 piece
Order Multiple: 1 piece
Selling Unit: Piece
CN8 Code: 85389091
Invoice Description: I/O terminal unit. For 24 VDC high current modules. Spring terminals. Hot Swap (TU542-H)

Key Features

✅ Hot-Swap Capability: Allows live replacement of I/O modules without halting PLC operation.

✅ Spring Terminal Design: Enables quick, secure, and vibration-resistant connections.

✅ High-Current Support: Optimised for 24 VDC high-load applications in industrial automation.

✅ Compact & Durable: Space-saving 28 mm width ensures easy integration into control panels.

✅ Industrial Reliability: Designed for long-term operation in demanding environments.

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