ABB 1SDA123588R1 Moulded Case Breaker - IEC60947-2
Part Number: 1SDA123588R1
Quick Summary
ABB 1SDA123588R1 Moulded Case Breaker is a DC protection device for industrial power distribution. Engineers often face unreliable arc suppression and trips in DC panels; this 4-pole MCCB provides precise current limitation, fast tripping, and robust overload protection to minimize downtime. It complies with IEC 60947-2 and GB/T 14028.2, carrying CE declarations and RoHS/REACH compliance, with an Environmental Product Declaration (EPD) for Tmax XT4 TM. The XT4 design enables quick retrofits in tight cabinets while delivering dependable short-circuit protection and straightforward maintenance, helping you meet uptime targets and safety standards across demanding DC applications.
Product Information
Extended Description
1SDA123588R1 ABB: XT4N250 DC TMA250 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 XT4 TM
Environmental Product Declaration - EPD
EPD Tmax XT XT4 TM (CN)
Recyclability Rate of the Product acc. to EN45555
Design for Closing Resource Loops - Standard EN45555 - 56.3 %
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
140 mm
Product Net Height
160 mm
Product Net Depth / Length
82.5 mm
Product Net Weight
3.5 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
4P
Power Loss
at Rated Operating Conditions per Pole 16.44 W
Rated Current (In)
250 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 36 kA | (500 V DC) 2 Poles in Series 36 kA | (500 V DC) 3 Poles in Series 36 kA | (750 V DC) 3 Poles in Series 25 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(250 V DC) 2 Poles in Series 36 kA | (500 V DC) 2 Poles in Series 36 kA | (500 V DC) 3 Poles in Series 36 kA | (750 V DC) 3 Poles in Series 25 kA
Rated Uninterrupted Current (Iu)
250 A
Release
TMA
Release Type
TM
Short-Circuit Performance Level
N
Standards
IEC 60947-2 | GB/T 14028.2
Sub-type
XT4
Terminal Connection Type
Fixed Circuit-Breakers
Declaration of Conformity - CE
EC Declaration of Conformity Tmax XT4
Instructions and Manuals
Installation instructions XT4 DC IEC
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Feature: DC rated current of 250 A with a 750 V DC operational voltage ensures robust protection in high-energy DC distribution. Business Impact: Elevates system reliability while reducing nuisance trips in critical automation panels. Application: Suitable for 4-pole DC distribution blocks in industrial control cabinets. Feature: 16.44 W power loss per pole at rated conditions improves energy efficiency and thermal management. Business Impact: Lowers cooling requirements and total cost of ownership over the device lifecycle. Application: Long-life protection in compact XT4 layouts for automated lines.Feature: Mechanical durability rated at 25,000 cycles provides predictable lifecycle performance. Business Impact: Reduces maintenance frequency and replacement costs in maintenance-intensive environments. Application: Frequent operation zones such as material handling and process automation.Feature: Short-circuit performance ratings up to 36 kA (Ics/Icu) depending on configuration. Business Impact: Stronger protection against high fault currents, minimizing equipment damage. Application: Medium- to high-energy DC feeders in manufacturing plants.Feature: Fixed circuit-breaker terminals and 4P configuration enable straightforward installation. Business Impact: Faster commissioning and reduced wiring errors in panel builds. Application: Standardized ABB XT4 TM installations in new builds or retrofits.Feature: Sustainability and compliance with EPD, RoHS, REACH, and EN45555 recyclability (56.3%). Business Impact: Supports regulatory compliance and sustainability goals, improving corporate responsibility metrics. Application: Green procurement for electrical protection systems.
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FAQs
Yes. The 1SDA123588R1 is a fixed, 4-pole DC MCCB designed for XT4 series enclosures. It integrates with standard ABB panel layouts, uses fixed terminals for reliable connections, and complies with IEC 60947-2 and GB/T 14028.2. When retrofitting, confirm cage-space, mounting clearances, and wiring harness compatibility to ensure a seamless upgrade.
The breaker provides rated service short-circuit breaking capacity (Ics) and ultimate short-circuit breaking capacity (Icu) up to 36 kA depending on configuration, with an insulation voltage of 1000 V and an operating voltage of 750 V DC. It is rated for DC operation with 250 A nominal current and 750 V DC across a 4P configuration.
Yes. The 1SDA123588R1 is purpose-built for DC distribution in industrial environments, including automation panels and power feeds. Its 250 A rating, 750 V DC capability, and 4-pole XT4 design provide reliable protection for critical loads, while features like low energy loss and high durability support continuous operation in demanding manufacturing settings.
This MCCB is compliant with IEC 60947-2 and GB/T 14028.2, carries CE declarations, and supports RoHS/REACH compliance. An Environmental Product Declaration (EPD) for Tmax XT4 TM (CN) is available, along with recyclability information per EN45555 to assist sustainability reporting and regulatory compliance.
With a mechanical durability rating of 25,000 cycles and a per-pole power loss of 16.44 W, the unit minimizes downtime and energy costs over time. Its 4P configuration and fixed terminals simplify installation, reducing commissioning time and maintenance overhead, which translates to lower total cost of ownership for DC protection in automated plants.