ABB 1SDA123520R1 Moulded Case Circuit Breaker - IEC 60947-2
Part Number: 1SDA123520R1
Quick Summary
ABB 1SDA123520R1 is a DC molded case circuit breaker designed to protect 3P DC power circuits in industrial panels and control cabinets. This model helps engineers reduce space, simplify installation, and improve system reliability in harsh DC environments. It complies with the IEC 60947-2 standard and is CE-labeled with RoHS compliance, ensuring regulatory alignment across global deployments. ABB's EcoSolutions approach supports end-of-life disassembly, recyclability targets, and an Environmental Product Declaration (EPD) for Tmax XT2 TM devices. With a 20 A rated current, 500 V DC operational voltage, and a 50 kA breaking capacity in the appropriate configuration, this breaker delivers predictable protection while enabling efficient maintenance and waste-minimizing strategies in the field. Value comes from higher uptime and lower lifecycle costs.
Product Information
Extended Description
1SDA123520R1 ABB: XT2S160 DC TMD20 FF 3P
ABB EcoSolutions
Yes
ABB Site Meeting Group Waste To Landfill Target
UL 2799 Zero Waste To Landfill Validation available
End Of Life Disassembling Instructions
Disassembly instructions Tmax XT XT2 TM
Environmental Product Declaration - EPD
EPD Tmax XT XT2 TM (CN)
Recyclability Rate of the Product acc. to EN45555
Design for Closing Resource Loops - Standard EN45555 - 55.7 %
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)
Document availability on demand
Customs Tariff Number
85362000
Product Net Width
90 mm
Product Net Height
130 mm
Product Net Depth / Length
82.5 mm
Product Net Weight
1.2 kg
Product Name
Moulded Case Circuit Breaker
Product Type
CB
Version
F
Current Type
DC
Mechanical Durability
25000 cycle | ;240 cycles per hour
Number of Poles
3P
Power Loss
at Rated Operating Conditions per Pole 1.62 W
Rated Current (In)
20 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
500 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(250 V DC) 2 Poles in Series 50 kA | (500 V DC) 3 Poles in Series 50 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(250 V DC) 2 Poles in Series 50 kA | (500 V DC) 3 Poles in Series 50 kA
Rated Uninterrupted Current (Iu)
160 A
Release
TMD
Release Type
TM
Short-Circuit Performance Level
S
Standards
IEC 60947-2 | GB/T 14028.2
Sub-type
XT2
Terminal Connection Type
Fixed Circuit-Breakers
Declaration of Conformity - CE
EC Declaration of Conformity Tmax XT2
Instructions and Manuals
Installation instructions XT2 DC IEC
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Feature: 3-pole arrangement with a 20 A current rating for DC systems. Business Impact: Delivers precise protection for DC feeders with compact form, reducing wiring complexity and heat development. Application: Protects 20 A DC loads in machine tools and control panels, enabling reliable operation in space-constrained environments. Feature: High fault-current tolerance with Ics/Icu up to 50 kA depending on voltage. Business Impact: Higher fault tolerance reduces downtime and equipment damage during short-circuit events. Application: Main protection in DC distribution networks up to 500 V, suitable for critical automation lines and data-center-like panels. Feature: Release TM with XT2 sub-type (TMD). Business Impact: Fast, selective tripping improves coordination and minimizes unnecessary outages. Application: Protection coordination within ABB XT2 family deployments across industry sectors. Feature: Fixed terminal connection and compact footprint (90 mm wide, 130 mm tall, 82.5 mm deep; 1.2 kg). Business Impact: Simplified installation and reliable connections with a space-efficient profile. Application: Modern automation panels and retrofit projects where retrofit-friendly dimensions matter. Feature: Regulatory and environmental compliance (EO = ABB EcoSolutions, EPD, RoHS/REACH). Business Impact: Supports sustainability goals and regulatory readiness, reducing lifecycle risk. Application: End-of-life planning and waste-minimizing strategies in European and global sites.
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FAQs
Yes. The 1SDA123520R1 is a 3-pole DC molded case circuit breaker designed for DC distribution in industrial panels and control cabinets. With fixed terminals and a compact 90x130x82.5 mm footprint, it integrates easily into standard panel layouts while providing reliable overcurrent protection for 500 V DC systems.
Key ratings include Rated Operational Voltage Ui of 1000 V and Rated Operational Voltage for DC use of 500 V DC. Short-circuit protection is rated up to 50 kA (Ics/Icu) in the selected configuration (2 poles at 250 V DC or 3 poles at 500 V DC), with a rated impulse withstand voltage Uimp of 8 kV, ensuring robust protection in demanding applications.
The device complies with IEC 60947-2 and carries a CE Declaration of Conformity. It is RoHS compliant under EU directives, with REACH considerations documented. ABB also provides end-of-life and environmental declarations (EPD) and recyclability data to support sustainability reporting.
The breaker uses fixed terminals for straightforward wiring and reliable connections, reducing field customization needs. Its compact dimensions (90 x 130 x 82.5 mm) and 1.2 kg weight simplify mounting in dense control panels and machine cabinets, while compatibility with ABB EcoSolutions streamlines lifecycle planning and serviceability.
ABB EcoSolutions supports end-of-life disassembly, recycling targets (55.7% recyclability per EN45555), and an Environmental Product Declaration (EPD) for Tmax XT XT2 TM devices. RoHS/REACH compliance and a documented waste-to-landfill validation assist in regulatory adherence and sustainable procurement decisions, contributing to lower total cost of ownership.