ABB 1SDA123631R1 Moulded Case Circuit Breaker - IEC 60947-2
Part Number: 1SDA123631R1
Quick Summary
ABB 1SDA123631R1 is a high-capacity DC moulded case circuit breaker designed for DC distribution panels and industrial drives. This 4P XT5 device provides robust protection under continuous DC operation, helping prevent faults from cascading across critical power buses. Engineers often struggle with reliable arc control, selective tripping, and maintenance forecasting in harsh industrial environments; this breaker addresses those challenges with a 500 A rated current, 4-pole configuration, and 8 kV impulse withstand. It carries EC Declaration of Conformity for CE, RoHS and REACH compliance, and ABB's end-of-life disassembly guidance. Selecting this solution supports safer, more predictable operation, simplifies spare parts planning, and reduces total cost of ownership through standardized installation and lifecycle data across ABB EcoSolutions.
Product Information
Extended Description
1SDA123631R1 ABB: XT5X 630 DC TMA500 FF 4P
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 XT5 TM
Environmental Product Declaration - EPD
EPD Tmax XT XT5 TM (CN)
Recyclability Rate of the Product acc. to EN45555
Design for Closing Resource Loops - Standard EN45555 - 59.6 %
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
Environmental Information
Breakers - Packaging disposal information
Customs Tariff Number
85362000
Product Net Width
186 mm
Product Net Height
205 mm
Product Net Depth / Length
103 mm
Product Net Weight
4.15 kg
Product Name
Moulded Case Circuit Breaker
Product Type
CB
Version
F
Current Type
DC
Mechanical Durability
20000 cycle | ;120 cycles per hour
Number of Poles
4P
Power Loss
at Rated Operating Conditions per Pole 33.5 W
Rated Current (In)
500 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
750 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(250 V DC) 2 Poles in Series 100 kA | (500 V DC) 2 Poles in Series 100 kA | (750 V DC) 3 Poles in Series 100 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(250 V DC) 2 Poles in Series 100 kA | (500 V DC) 2 Poles in Series 100 kA | (750 V DC) 3 Poles in Series 100 kA
Rated Uninterrupted Current (Iu)
630 A
Release
TMA
Release Type
TM
Short-Circuit Performance Level
X
Standards
IEC 60947-2 | GB/T 14028.2
Sub-type
XT5
Terminal Connection Type
Fixed Circuit-Breakers
Declaration of Conformity - CE
EC Declaration of Conformity Tmax XT5
Instructions and Manuals
Installation instructions XT5 DC IEC
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Feature: 500 A rated current with a 4P configuration enables support for large DC loads while maintaining a compact footprint. Business impact: This reduces panel size, simplifies wiring, and lowers installation time in new builds and refurbishments. Application: DC distribution panels in automation lines and industrial drives. Feature: I_cs up to 100 kA and I_cu up to 100 kA across 250/500/750 V DC provisions. Business impact: Delivers robust fault protection, minimizes equipment damage, and improves safety margins through selective coordination. Application: High-energy DC bus protection in data centers and heavy-duty drive systems. Feature: Release TZ type TM with XT5 performance, set for fast, reliable disconnection. Business impact: Improves system availability by reducing nuisance trips and enabling easier maintenance windows. Application: Critical DC feeders in process automation and renewable energy interfaces. Feature: Mechanical durability rated at up to 20,000 cycles (120 cycles/hour). Business impact: Extends service life, lowers maintenance frequency, and reduces lifecycle costs. Application: Frequent operation environments in packaging lines and manufacturing cells. Feature: Power loss per pole 33.5 W under rated conditions. Business impact: Lower heat generation, easier cooling planning, and better energy efficiency in enclosed switchgear. Application: Large DC systems where thermal management is a concern. Feature: Physical footprint 186 mm width, 205 mm height, 103 mm depth with a weight of 4.15 kg. Business impact: Predictable enclosure fit and straightforward retrofit into existing panels. Application: Retrofit projects and new installations in automation cabinets. Feature: Compliance and lifecycle support through ABB EcoSolutions, including End Of Life Disassembly Instructions and packaging disposal guidance. Business impact: Simplifies regulatory compliance, waste reduction, and recycling workflows. Application: Sustainable design and closed-loop procurement for industrial facilities.
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FAQs
The device is rated for 750 V DC with a rated current of 500 A. It features a 4-pole configuration and XT5/ TM release, enabling robust protection for high-energy DC systems such as automation panels and motor drives.
Yes. The 1SDA123631R1 uses fixed circuit-breaker terminal connections, designed to fit typical ABB and third-party switchgear enclosures. Its dimensions (186 mm W x 205 mm H x 103 mm D) and 4.15 kg weight support straightforward mounting and retrofit work.
It complies with IEC 60947-2, carries CE declarations, and aligns with RoHS and REACH requirements. ABB also provides End Of Life disassembly guidance and EPD-related lifecycle information to support sustainability and regulatory compliance.
With up to 20,000 mechanical cycles, a 100 kA short-circuit rating (I_cs and I_cu depending on voltage), and low power loss per pole (33.5 W), the unit minimizes maintenance intervals while offering reliable protection for critical DC feeders in automation and energy storage applications.
Customs tariff 85362000 applies, the product weighs 4.15 kg, and ABB EcoSolutions provides disassembly instructions and packaging disposal guidance to support sustainable procurement and end-of-life recycling in industrial facilities.