ABB 1SDA123499R1 Moulded Case Circuit Breaker - IEC 60947-2
Part Number: 1SDA123499R1
Quick Summary
ABB 1SDA123499R1 Moulded Case Circuit Breaker is a DC protection device for 3‑phase power distribution in industrial applications. In compact switchgear, engineers struggle with reliable protection, front-terminal access for wiring, and clear, fast fault indication under continuous DC loads. Certified to IEC 60947-2 and GB/T 14028.2, with CE conformity and RoHS/REACH declarations, this device meets global regulatory expectations for safety and sustainability. With a fixed three-pole design and front terminals, installation is straightforward in control panels and motor control centers, reducing commissioning time and wiring errors. Designed for industrial automation and energy systems, the 25 A, 500 V DC rating delivers predictable protection, helping to maximize uptime and minimize downtime costs.
Product Information
Extended Description
1SDA123499R1 ABB: C.BREAKER TMAX XT2N 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 36 kA | (500 V DC) 3 Poles in Series 36 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(250 V DC) 2 Poles in Series 36 kA | (500 V DC) 3 Poles in Series 36 kA
Rated Uninterrupted Current (Iu)
160 A
Release
TMD
Release Type
TM
Short-Circuit Performance Level
N
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: Front terminals and fixed three-pole design. Business Impact: Simplifies wiring, reduces panel depth, and speeds installation and commissioning. Application: Control panels and DC distribution in manufacturing lines where space is at a premium. Feature: Rated current of 25 A with a 500 V DC operating voltage. Business Impact: Delivers reliable overcurrent protection for modest DC buses, supporting predictable protection without nuisance tripping. Application: DC power rails in automation equipment and battery-backed systems. Feature: Insulation voltage of 1000 V and impulse withstand of 8 kV. Business Impact: Enhances safety margins against surges and transient events, lowering risk of insulation breakdown. Application: Harsh industrial environments with switching transients. Feature: 3P design with front-terminal wiring and fixed circuit-breaker configuration. Business Impact: Improves wiring accessibility and reduces maintenance time in crowded switchgear. Application: Motor control centers and DC distribution blocks. Feature: Mechanical durability of 25,000 cycles and 2.00 W loss per pole. Business Impact: Extends service life, minimizes energy waste, and sustains performance under frequent switching. Application: Continuous operation in automation and process control. Feature: Compliance and eco-ownership— RoHS/REACH declarations, EPD availability, and ECO solutions. Business Impact: Supports sustainability reporting and regulatory compliance while enabling responsible procurement. Application: Global deployments in industries pursuing green procurement and end‑of‑life recycling goals.
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FAQs
This model uses fixed circuit-breaker mounting with front terminals, simplifying wiring and testing. Ensure the panel has adequate clearance for 3P assembly, follow the Installation instructions XT2 DC IEC, and verify terminal torque and conductor sizing as per local wiring standards.
The device is rated for 25 A DC with 500 V DC operational voltage and 1000 V insulation. It offers a rated impulse withstand of 8 kV and a service/ultimate short-circuit capacity up to 36 kA, ensuring fast, safe interruption under DC fault conditions.
Yes. With 3P DC protection, front-terminal mounting, and a robust 25 A rating, it is well suited for DC distribution in automation equipment, control panels, and energy systems requiring reliable fault protection and compact footprint.
The breaker complies with IEC 60947-2 and GB/T 14028.2, with CE declaration of conformity. It also carries RoHS and REACH declarations, and ABB provides an environmental declaration (EPD) for Tmax XT2 TM variants.
Mechanical durability is rated at 25,000 cycles with 2.00 W power loss per pole, reducing operational heat and replacement frequency. Front-terminal wiring simplifies maintenance, while EcoSolutions and recyclability data support sustainability reporting and total-cost-of-ownership improvements over time.