ABB 1SDA127155R1 Moulded Case Circuit Breaker - IEC 60947-2

Feature → Business Impact → Application: The 1SDA127155R1 offers a 125 A rated current and 750 V DC operating voltage, delivering reliable protection for medium-scale DC distribution panels in data centers and industrial plants. This translates to improved uptime and reduced risk of equipment damage, supporting continuous production and safer maintenance. Feature → Application compatibility → Installation: Fixed circuit-breaker design with 3P DC configuration aligns with standard panel layouts, enabling straightforward installation and space-efficient mounting in tight electrical rooms. Feature → Performance → Reliability: An 8 kV impulse withstand and 7.40 W per pole power loss give robust fault clearance with minimized heat, contributing to longer component life and lower energy waste in continuous operations. Feature → Standards → Compliance: IEC 60947-2 and GB/T 14028.2 compliance, plus RoHS/REACH declarations and EPD data, help satisfy regulatory audits and environmental targets. Feature → Release → Coordination: Tmax XT4 TM/TMD release enables selective coordination, reducing nuisance trips and enabling safer maintenance windows. Feature → Durability → Lifetime value: Mechanical durability rated at 25,000 cycles supports long service life in high-cycle DC environments, lowering total cost of ownership. Feature → Dimensions/Weight → Installability: Compact 105 mm width and 2.5 kg weight simplify handling and retrofit projects, enabling faster commissioning and scalable expansion in growing facilities.