ABB 1SDA123543R1 Moulded Case Circuit Breaker - IEC 60947-2
Part Number: 1SDA123543R1
Quick Summary
ABB 1SDA123543R1 Moulded Case Circuit Breaker is a DC-rated protection device designed for distribution panels and industrial automation systems. Engineers often confront space constraints, dense panel wiring, and the need for reliable DC fault protection in demanding environments. This unit meets IEC 60947-2 and GB/T 14028.2 standards, carries a CE Declaration of Conformity, and is RoHS compliant for safer, sustainable operation. By combining compact front-terminal construction with robust thermal-magnetic release, it enables higher panel density, lower maintenance costs, and predictable protection across evolving industrial power networks.
Product Information
Extended Description
1SDA123543R1 ABB: C.BREAKER TMAX XT2L 160 DC FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMD R 25
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 2.00 W
Rated Current (In)
25 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 85 kA | (500 V DC) 3 Poles in Series 85 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(250 V DC) 2 Poles in Series 85 kA | (500 V DC) 3 Poles in Series 85 kA
Rated Uninterrupted Current (Iu)
160 A
Release
TMD
Release Type
TM
Short-Circuit Performance Level
L
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 → Business Impact → Application: The 3P fixed circuit-breaker design with DC rating and 25 A nominal current delivers precise protection for DC distribution, reducing nuisance trips and extending equipment life in automated plants. This translates to fewer shutdowns and smoother production lines in manufacturing environments. Application: DC power rails in machine controls and drive systems benefit from reliable protection with minimal downtime. Feature → Business Impact → Application: Front-terminal wiring simplifies installation and maintenance, cutting commissioning time and reducing wiring errors in compact cabinets. Application: Updated control panels and retrofits where space is at a premium. Feature → Business Impact → Application: IEC 60947-2 and GB/T 14028.2 compliance provides regulatory assurance for procurement and audits. Application: Regional projects requiring CE conformity and RoHS sustainability. Feature → Business Impact → Application: 2.00 W per pole power loss minimizes heat in densely packed enclosures, improving thermal performance and reducing cooling costs. Application: High-density DC distribution panels. Feature → Business Impact → Application: Ics of 85 kA and Icu of 85 kA at respective DC voltages offer strong fault-current protection, enabling robust system reliability in power networks. Application: Heavy-duty industrial drives and DC distribution. Feature → Business Impact → Application: ECO/End-of-Life data, including EPD and up to 55.7% recyclability per EN45555, supports sustainability reporting and material stewardship. Application: Green manufacturing initiatives and compliant product design. Feature → Business Impact → Application: Front-terminal construction and 3P fixed connections streamline installation across new builds and retrofits, reducing commissioning time and potential miswiring. Application: Field installations in control panels and switchgear assemblies.
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FAQs
Install the 3-pole unit with fixed front-terminal connections, ensuring correct alignment with busbars and mounting rails. Adhere to the XT2 DC installation instructions and torque specs from the XT2 DC IEC manuals. Use front-access wiring to simplify maintenance and verify correct release operation after mounting. For retrofit projects, align with existing 500 V DC distribution, ensuring clear labeling and proper enclosure clearances.
This device is a 3P DC moulded-case circuit breaker rated for 25 A, with 500 V DC rated operational voltage and 1000 V rated insulation voltage. It provides a rated impulse withstand voltage of 8 kV and a service short-circuit breaking capacity (Ics) of up to 85 kA in the appropriate DC configurations. Power loss is specified at 2.00 W per pole.
Yes. The product is listed within ABB EcoSolutions, with supporting guidelines such as Waste To Landfill validation and site-meeting considerations. It also carries environmental declarations (EPD) and recyclability data aligned to EN45555, making it suitable for projects pursuing sustainability targets while maintaining robust protection performance.
The device complies with IEC 60947-2 and GB/T 14028.2, and features a CE Declaration of Conformity along with RoHS compliance. These certifications support regulatory procurement, safety auditing, and environmental compliance across global markets.
Disassembly instructions for Tmax XT XT2 TM are available, aiding end-of-life disassembly and recycling planning. The product offers a documented End-of-Life pathway, along with an EPD and recyclability data (55.7% per EN45555), assisting you to report sustainability metrics and implement resource-loop strategies.