ABB 1SDA104963R1 Accessory - Undervoltage Release (XT6)
Part Number: 1SDA104963R1
Quick Summary
ABB 1SDA104963R1 Accessory is an undervoltage release designed for Tmax XT6 circuit-breakers used in industrial automation panels. It helps ensure safe tripping when supply voltage fluctuates, reducing the risk of unexpected downtime. The device aligns with IEC60947-2 and UL489 standards, with RoHS compliance and a CE declaration for European installations. By standardizing on a single XT6 accessory from ABB, procurement and maintenance teams gain clearer BOMs, easier stocking, and predictable service intervals. The solution supports XT6 integration in PLC-controlled plants, machine lines, and distributed control architectures, delivering reliable control logic isolation and improved overall plant availability.
Product Information
Extended Description
1SDA104963R1 ABB: YU-C XT6 W 48...60 Vac/dc
Environmental Product Declaration - EPD
EPD Undervoltage releases Tmax XT XT5-XT6 (IT)
REACH Declaration
REACh Declaration ABB Sace circuit breakers
RoHS Information
RoHS Declaration ABB Sace circuit breakers
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
Toxic Substances Control Act - TSCA
Toxic Substances Control Act (TSCA) declaration
Environmental Information
Breakers - Packaging disposal information
Order Code US and Canada
KXT6YUCW2
E-Number (Norway)
4381385
EAN
8015644070557
Minimum Order Quantity
1 piece
Customs Tariff Number
85389099
Product Net Weight
0.12 kg
Package Level 1 Units
box 1 piece
Package Level 1 Width
110 mm
Package Level 1 Height
60 mm
Package Level 1 Depth / Length
140 mm
Package Level 1 Gross Weight
0.126 kg
Package Level 1 EAN
8015644070557
Product Main Type
Accessories for Tmax XT
Product Name
Accessory
Product Type
Accessory
Suitable For
XT6
Suitable for Product Class
SACE Tamx XT
Configuration Type
Loose or configurable
Current Type
AC/DC
Order Multiple
1 piece
Rated Voltage (Ur)
48...60 V AC | 48...60 V DC
Standards
IEC60947-2 | UL489
Data Sheet, Technical Information
SACE Tmax XT IEC Low voltage molded case circuit-breakers Catalog | SACE Tmax XT UL/CSA Low voltage molded case circuit-breakers UL489 and CSA CS22.2 Standards Catalog
Declaration of Conformity - CE
Refer to the EU Declaration of the relative Circuit Breaker
Instructions and Manuals
YU - Wired undervoltage release for XT5 - XT6 withdrawable circuit-breakers.
ETIM 8
EC001022 - Under voltage coil
ETIM 9
EC001022 - Under voltage coil
IDEA Granular Category Code (IGCC)
4148 >> Under voltage coil
UNSPSC
39121010
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370417
Feature: 48...60 V AC/DC rated voltage. This wide range ensures compatibility with control circuits across many plants and reduces the need for multiple coil variants. Application: ideal for XT6 undervoltage release in SACE Tmax XT systems, delivering consistent performance during voltage transients. Feature: AC/DC current type. Supports both control schemes used in modern automation, enabling seamless integration with PLCs and motor drives. Application: minimizes wiring conversions during upgrades and retrofit projects. Feature: Loose or configurable configuration type. Provides installation flexibility for field engineers and integrators, improving commissioning time. Application: streamlines changeovers in plant maintenance windows. Feature: Robust compliance data (RoHS, CMRT, TSCA) and environmental declarations (EPD). Business impact: simplifies regulatory reporting and sustainability KPIs. Application: procurement and environmental audits across global operations. Feature: Compact weight and packaging data (0.12 kg; box 1 piece). Benefit: lowers logistics costs and improves warehouse density. Application: easier stock management and faster shipping to sites. Feature: Standards compliance (IEC60947-2, UL489). Impact: ensures interoperability with global safety norms and customer audits. Application: critical for projects requiring cross-border approvals and CE declarations. Feature: Product ecosystem compatibility (Suitable for XT6; Order Code KXT6YUCW2; EAN 8015644070557). Impact: accelerates BOM integration and reduces order errors. Application: ideal for engineering teams who standardize on ABB Tmax XT accessories.
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FAQs
Yes. This accessory is explicitly designed as the undervoltage release for Tmax XT6 withdrawable breakers, enabling proper control logic isolation and safe tripping under undervoltage conditions. It uses the KXT6YUCW2 order code for streamlined procurement and is suitable for XT6 applications across industrial panels.
The unit is rated for 48...60 V AC or 48...60 V DC, and it supports both AC and DC current types. This flexibility makes it suitable for mixed control circuits common in modern automation environments and reduces the need for multiple coil variants.
The accessory adheres to IEC 60947-2 and UL489 standards, is RoHS compliant, and carries CMRT and TSCA declarations. A CE declaration is provided via the related circuit-breaker documentation, supporting compliant European installations and ESG objectives.
It offers a loose or configurable configuration type, which simplifies field wiring and commissioning. The accessory is designed for XT6 transformers within the Tmax XT family, enabling straightforward retrofits and minimizing downtime during upgrades.
By preventing nuisance trips during voltage dips and standardizing on a single XT6-compatible accessory, it reduces unplanned downtime, simplifies BOMs, and streamlines procurement. This translates to faster maintenance cycles, lower inventory complexity, and improved plant availability.