ABB 1SDA123506R1 Moulded Case Circuit Breaker - IEC 60947-2
Part Number: 1SDA123506R1
Quick Summary
ABB 1SDA123506R1 is a high-performance moulded case circuit breaker designed for DC distribution in industrial control panels. Engineers often struggle to find DC protection that combines reliable tripping, compact footprint, and easy maintenance in demanding environments. This XT2N 3P device adheres to IEC 60947-2 with CE conformity, RoHS/REACH compliance, and an End-of-Life program supported by ABB EcoSolutions, providing responsible disposal and recycling. The product supports front-terminal installation in fixed configurations, while offering a 125 A rating and 500 V DC operational voltage, enabling scalable protection for evolving DC networks. By aligning with ABB's EcoSolutions framework, it delivers not only safety but also cost-efficient operation, reduced downtime, and sustainable procurement value.
Product Information
Extended Description
1SDA123506R1 ABB: C.BREAKER TMAX XT2N 160 DC FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 125
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 11.4 W
Rated Current (In)
125 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
TMA
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: 125 A rated current with 36 kA breaking capacity at 250 V DC / 36 kA at 500 V DC. Business Impact: Enables robust protection for mid‑scale DC feeders and drives safety margins in high-energy circuits. Application: DC distribution boards in industrial machinery or automation panels. Feature: 500 V DC rated operational voltage and 1000 V insulation voltage. Business Impact: Supports higher bus voltages with reliable insulation, reducing component count and wiring complexity. Application: Large DC bus systems and control panels where voltage headroom matters. Feature: 3P fixed circuit-breaker with front terminals. Business Impact: Simplified installation, easier maintenance, and faster retrofits in cramped enclosures. Application: New installations and upgrades in existing control cabinets. Feature: Thermal-magnetic release TM/TMA. Business Impact: Fast fault clearing with selective protection, minimizing arc energy and downstream damage. Application: Machines and conveyors with critical DC supply. Feature: XT2 sub-type and ICE standard compliance. Business Impact: Seamless integration with ABB XT2 ecosystems, standard sizing, and predictable performance. Application: Panel builders designing modular DC protection schemes. Feature: 25,000 mechanical cycles and 11.4 W per pole power loss. Business Impact: Extended service life and lower panel heat, reducing cooling requirements and energy costs. Application: High-duty-duty-cycle automation systems. Feature: RoHS, REACH, EPD and WEEE disclosures. Business Impact: Compliance-ready procurement with sustainable end-of-life planning. Application: Regulated industries and green-building projects where sustainability matters.
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FAQs
The 1SDA123506R1 is a fixed, three-pole MCCB with front terminals designed for straightforward installation in standard 90x130 mm panel spaces. It supports direct mounting in ABB XT2‑series assemblies, enabling quick retrofits and minimal field wiring. For best results, follow the XT2 DC installation instructions and ensure proper terminal torque and alignment to avoid interlock or contact issues.
Key ratings include a rated current of 125 A, a rated operational voltage of 500 V DC, and a rated insulation voltage of 1000 V. It provides a rated impulse withstand voltage of 8 kV and a short-circuit rating of 36 kA under both 250 V DC (2 poles in series) and 500 V DC (3 poles in series). This combination supports robust protection in demanding DC networks.
Yes. The device carries CE conformity and RoHS/REACH declarations, with ABB providing further sustainability documentation such as EPDs and end-of-life disassembly guidance. This supports regulatory compliance in many global markets and aligns with responsible procurement practices for regulated industries and recycling programs.
This 3P DC MCCB is ideal for industrial DC distribution panels, motor control centers, and DC bus protection in automated lines. Its fixed front-terminal design, XT2 sub-type, and TM/TMA release provide reliable short-circuit protection, easy installation, and compatibility with ABB XT2 ecosystem, enabling scalable protection schemes in evolving automation architectures.
With a mechanical durability rating of 25,000 cycles and a per-pole power loss of 11.4 W, the 1SDA123506R1 offers long service life and stable thermal performance. Its maintenance profile is predictable, reducing downtime and cooling requirements, while the RoHS/REACH/EPD disclosures simplify regulatory audits and support sustainable asset management.