ABB 1SDA123527R1 MCCB - 50 kA @ 500V DC IEC 60947-2
Part Number: 1SDA123527R1
Quick Summary
ABB 1SDA123527R1 MCCB is a high-performance molded case circuit breaker designed for DC distribution in industrial power systems and control panels. It protects critical equipment by interrupting faults quickly, reducing the risk of panel damage and downtime. This 3-pole device delivers 100 A nominal current and 500 V DC operating voltage with 50 kA short-circuit capability, ensuring reliable protection in demanding environments. It meets IEC 60947-2 and CE requirements, with RoHS/REACH declarations and an EPD for Tmax XT XT2 TM, supporting sustainability goals and regulatory compliance. Integrated ABB EcoSolutions support lifecycle management and recyclability, helping projects meet waste-reduction targets. For DC microgrids, battery storage, or renewable interfaces, this MCCB offers a proven balance of protection, installation convenience, and total cost of ownership.
Product Information
Extended Description
1SDA123527R1 ABB: XT2S160 DC TMA100 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 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 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
TMA
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 → Business Impact → Application: Fixed terminal connections and 3P topology simplify wiring and reduce assembly time in DC distribution panels, while delivering consistent fault protection. This translates to lower commissioning costs and improved panel reliability for 3-phase DC systems in industrial automation environments. Feature → Business Impact → Application: 100 A rated current with 500 V DC operation and 50 kA Ics/Icu capability provides robust short-circuit clearance, minimizing downtime and equipment damage in high-energy applications such as battery storage interfaces and renewable energy integrations. Feature → Business Impact → Application: Low power loss of 8.08 W per pole enhances energy efficiency and thermal management in compact switchgear, reducing cooling requirements and extending service life of surrounding components in control rooms. Feature → Business Impact → Application: Fixed, non-replaceable circuit-breaker design paired with TEKT2 XT2 sub-type and TM/TMA release offers predictable performance, straightforward maintenance, and easier spares provisioning for OEMs and end users. Feature → Business Impact → Application: ABB EcoSolutions integration with an End Of Life and disassembly guide, along with an EPD, supports recycling targets and sustainable project reporting in large-scale industrial facilities. This combination of protection, compliance, and lifecycle support is particularly valuable for DC power rails in automation halls and energy storage controllers.
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FAQs
Yes. The device uses fixed circuit-breaker terminals designed for 3-pole DC installations. Its 100 A current rating and 500 V DC operating voltage simplify field wiring, while the XT2 form factor aligns with common industrial cabinet layouts. When wiring, follow the Installation instructions XT2 DC IEC to ensure proper torque and enclosure clearance for reliable operation.
The MCCB provides a rated impulse withstand of 8 kV, a rated insulation voltage of 1000 V, and a rated operational voltage of 500 V DC. It delivers a service short-circuit breaking capacity (Ics) of 50 kA and an ultimate short-circuit capacity (Icu) of 50 kA for 2 or 3 poles in series, ensuring robust protection in high-energy DC systems.
Absolutely. With 3P, 100 A rating, 500 V DC operation, and 50 kA protective capacity, it is well-suited for DC distribution in battery storage, solar microgrids, and other renewable energy interfaces. Its compact XT2 packaging, low power loss, and lifecycle support from ABB EcoSolutions enhance system reliability and maintenance efficiency in these applications.
It complies with IEC 60947-2 and GB/T 14028.2, carries CE declarations, RoHS and REACH declarations, and includes an EPD for Tmax XT XT2 TM. WEEE categorization and recyclability details are provided, supporting global regulatory compliance and sustainability reporting for industrial projects.
Mechanical durability is rated at 25,000 cycles, with a per-pole power loss of 8.08 W, aiding thermal management and energy efficiency. End-of-life disassembly instructions and a zero-waste validation option help reduce total cost of ownership and simplify asset retirement, ultimately supporting faster ROI in dc protection implementations.