ABB 1SDA123623R1 Moulded Case CB - IEC 60947-2
Part Number: 1SDA123623R1
Quick Summary
ABB 1SDA123623R1 is a high-capacity Moulded Case CB designed to protect DC power systems in industrial facilities and data centers. Engineers often grapple with reliable DC protection, downtime, and regulatory compliance across harsh environments, where even small failures can cascade into costly outages. This model meets IEC 60947-2 and GB/T 14028.2, carries CE conformity, and supports end-of-life disassembly and recyclability programs that align with corporate sustainability goals. The 4P package delivers 500 A nominal current, 750 V DC rating, 8 kV withstand, and a per-pole power loss of 33.5 W, while ABB EcoSolutions documentation covers packaging disposal and waste-to-landfill validations. In practice, it reduces maintenance cycles and simplifies spare-part strategies for high-availability power systems.
Product Information
Extended Description
1SDA123623R1 ABB: XT5L 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 85 kA | (500 V DC) 2 Poles in Series 85 kA | (750 V DC) 3 Poles in Series 50 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(250 V DC) 2 Poles in Series 85 kA | (500 V DC) 2 Poles in Series 85 kA | (750 V DC) 3 Poles in Series 50 kA
Rated Uninterrupted Current (Iu)
630 A
Release
TMA
Release Type
TM
Short-Circuit Performance Level
L
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 → Business Impact → Application: Rated Current and Voltage deliver 500 A at 750 V DC, enabling robust protection for DC bus bars in motor drives and energy storage systems, reducing thermal stress and downtime in critical lines. In practice, this improves reliability for DC power distribution in manufacturing cells and data centers. Feature → Business Impact → Application: 4-pole fixed circuit-breaker configuration enhances simultaneous protection of multiple phases with a single device, simplifying panel layouts and reducing installation time in MCCs and DC distribution boards. Feature → Business Impact → Application: 8 kV rated impulse withstand and 1000 V insulation voltage provide strong fault protection against surges, ensuring safer operation in welding stations and high-energy equipment bays. Feature → Business Impact → Application: Mechanical durability of 20000 cycles and 33.5 W power loss per pole lowers maintenance cycles and cooling requirements, delivering measurable energy savings in continuous operation environments. Feature → Business Impact → Application: RoHS and REACH compliance, EPD documentation, and EN45555 recyclability support policy-driven sustainability goals, reducing lifecycle risk and disposal costs for regulators and customers. Feature → Business Impact → Application: Disassembly instructions and ECO-Solutions alignment streamline end-of-life handling, enabling safer decommissioning and improved circularity in industrial power systems.
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FAQs
This 4P fixed circuit-breaker is designed for MCCB panels and DC distribution boards. It supports 750 V DC operation, 500 A rating, and standard IEC 60947-2 mounting practices. Ensure proper terminal torque and follow the installer instructions for fixed connections to maximize reliability and minimize contact resistance in demanding environments.
Key specs include Rated Current 500 A, Rated Operational Voltage 750 V DC, Rated Insulation Voltage 1000 V, Rated Impulse Withstand Voltage 8 kV, and Short-Circuit ratings (Ics/Icu) dependent on voltage and pole count. The unit provides 4P protection with a per-pole power loss of 33.5 W and 630 A Rated Uninterrupted Current, critical for uninterrupted DC bus operation.
Yes. The 4P DC MCCB with 750 V DC capability and high short-circuit performance is well suited for DC motor drives and energy storage system protection in industrial settings, helping to prevent arc faults and maintain uptime in energy-intensive applications.
The device complies with IEC 60947-2 and GB/T 14028.2, carries CE conformity, and aligns with RoHS and REACH declarations. Environmental data include EPD documentation for Tmax XT5 TM, recyclability per EN45555, and packaging/disposal guidance as part of ABB EcoSolutions.
The MCCB offers high reliability (20000 mechanical cycles), reduced heat load (33.5 W per pole), and robust fault protection, translating to lower maintenance costs, fewer unplanned outages, and clearer compliance reporting for sustainability programs and lifecycle cost optimization.