ABB 1SDA104957R1 Accessory - 110-127VAC Undervoltage UL489
Part Number: 1SDA104957R1
Quick Summary
ABB 1SDA104957R1 Accessory is an undervoltage release for Tmax XT XT5-XT6 circuit-breakers that enhances safe operation of motors and drives in industrial panels. For panel builders and machine integrators, supply voltage dips and restart delays can cause costly downtime; this accessory mitigates those risks by ensuring controlled tripping behavior. It carries essential certifications and declarations, including IEC60947-2 and UL489, plus CE, RoHS, and REACH compliance, which supports global installation requirements. Designed for loose or configurable installation, it supports 110-127 VAC or 110-125 VDC, enabling seamless integration with existing control schematics. In practice, this means easier commissioning, improved safety interlocks, and better coordination with Tmax XT XT5-XT6 architectures across diverse production lines.
Product Information
Extended Description
1SDA104957R1 ABB: YU-C XT5-XT6 F/P 110..127Vac-110..125Vdc
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
KXTFYUC4
E-Number (Finland)
3642177
E-Number (Norway)
4381379
EAN
8015644070496
Minimum Order Quantity
1 piece
Customs Tariff Number
85389099
Product Net Weight
0.124 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
0.13 kg
Package Level 1 EAN
8015644070496
Product Main Type
Accessories for Tmax XT
Product Name
Accessory
Product Type
Accessory
Suitable For
XT5 | XT6
Suitable for Product Class
SACE Tamx XT
Configuration Type
Loose or configurable
Current Type
AC/DC
Order Multiple
1 piece
Rated Voltage (Ur)
110...127 V AC | 110...125 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 and non-wired undervoltage release for XT5 - XT6 fixed/plug-in 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 → Undervoltage release for Tmax XT; Business Impact → Reduces nuisance trips and improves restart reliability; Application → Motor control panels in conveyors and packaging lines. The 110-127 VAC / 110-125 VDC capability provides flexible power sourcing, enabling cross-regional deployments and simpler stock management for global projects. Feature → Loose or configurable installation; Business Impact → Accelerates wiring and reduces installation time; Application → Panel assemblies with plug-in or screwed-terminal options. Feature → Compliance with IEC60947-2 and UL489 plus RoHS/REACH; Business Impact → Low regulatory risk and easier customer acceptance; Application → Regulated industrial environments with strict certification requirements. Feature → Suitable for XT5 and XT6; Business Impact → Streamlined spare-part strategy and lifecycle planning; Application → SACE Tmax XT family integrations. Feature → Compact packaging (0.124 kg) and standard order code KXTFYUC4; Business Impact → Lower logistics costs and ready-to-quote availability; Application → OEM and integrator supply chains seeking reliable, fast-ready accessories.
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