ABB 1SDA123549R1 Moulded Case Circuit Breaker - IEC 60947-2
Part Number: 1SDA123549R1
Quick Summary
ABB 1SDA123549R1 Moulded Case Circuit Breaker is a reliable DC protection device for three-pole industrial power panels. Engineers often struggle with nuisance tripping and complex wiring when protecting DC busses in drives and storage systems. This model aligns with IEC 60947-2 and GB/T 14028.2, carries CE conformity, and supports front-terminal installation for safe, fast panel integration. With a 100 A rating and 500 V DC operating range, it reduces downtime while enabling scalable protection across automation architectures. In practice, customers gain easier maintenance and regulatory compliance, while staying aligned with ABB EcoSolutions for sustainable, end-to-end protection.
Product Information
Extended Description
1SDA123549R1 ABB: C.BREAKER TMAX XT2L 160 DC FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 100
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 8.08 W
Rated Current (In)
100 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
TMA
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: 3P DC MCCB with 100 A rating and 500 V DC operating voltage. Business Impact: Delivers robust protection for DC busses in drives, robuster energy systems, and battery storage applications, reducing fault-related downtime. Application: DC motor drives, energy storage systems, and DC distribution panels. Feature: Front-terminal fixed circuit-breaker design. Business Impact: Simplifies wiring and accelerates panel assembly, cutting installation time and reducing field wiring errors. Application: New panel builds and retrofit projects in industrial automation. Feature: Thermomagnetic release TMA. Business Impact: Provides selective protection against overloads and short circuits, minimizing nuisance trips and extending equipment life. Application: Critical DC networks in manufacturing lines and process control. Feature: High short-circuit and impulse ratings (Ics, Icu, 8 kV). Business Impact: Enables safe interruption of fault currents in demanding environments, improving system reliability and safety. Application: DC busses in drives and renewable energy interfaces. Feature: Mechanical durability up to 25000 cycles. Business Impact: Reduces maintenance cycles and total cost of ownership through proven durability. Application: Frequent switching panels and control gear in rapid-change environments. Feature: Environmental and compliance features (EPD, RoHS, REACH, EN45555 recyclability). Business Impact: Supports sustainability targets and regulatory compliance across global sites. Application: End-of-life planning and procurement governance.
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FAQs
The 1SDA123549R1 is a fixed-terminal, three-pole MCCB designed for front-terminal installations. It fits standard industrial control panels and aligns with IEC 60947-2, simplifying retrofits and new builds while ensuring secure wiring and easy access for testing and maintenance.
Key specs include Rated Current 100 A, Rated Operational Voltage 500 V DC, Rated Insulation Voltage 1000 V, and Rated Impulse Withstand Voltage 8 kV. It also offers a 3P configuration, TM release type, and a short-circuit capacity aligned with IEC 60947-2 requirements for reliable protection.
Yes. With 3P design, front-terminal wiring, and a robust 500 V DC operating range, it is well suited for motor drives, DC link protection, and energy storage interfaces, delivering fast, reliable disconnection during faults and reducing downtime in critical DC networks.
The device adheres to IEC 60947-2 and GB/T 14028.2 and carries CE conformity. These standards ensure compatibility with global control panels, safety compliance for electrical installations, and streamlined procurement across international sites.
Its 25000 mechanical cycles and robust short-circuit performance reduce replacement frequency and costly downtime. The front-terminal design accelerates maintenance, while environmental declarations and recyclability features help meet sustainability targets, contributing to lower total cost of ownership over the device’s lifecycle.