ABB 1SDA068280R1 XT3S 250 MA125 Im=750...1500 3p F F 125A 3-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA068280R1 XT3S 250 MA125 Im=750...1500 3p F F is a 125A, 3-pole fixed moulded case circuit breaker from the Tmax XT3S series, engineered for reliable motor and feeder protection in industrial control panels. Delivering a breaking capacity of 50 kA at 400 V AC and featuring a magnetic-only MA trip unit with an adjustable instantaneous threshold of Im=750...1500×In, this device is built for demanding automation and industrial environments. Compact at 105 mm × 150 mm × 70 mm and weighing just 1.7 kg, it offers a high performance-to-footprint ratio for switchboard design.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with EU Restriction of Hazardous Substances directive
• REACH: Compliant with EU REACH chemical regulation
• IEC 60947-2: Meets international standard for low-voltage switchgear and controlgear — circuit breakers
• IEC60947-2: Verified compliance with IEC low-voltage circuit breaker performance requirements
• EN45555: General methods for the assessment of the ability to repair, reuse, remanufacture and recycle electrical and electronic products
• ATEX: Suitable for use in potentially explosive atmospheres per ATEX directive
• CE: Conformité Européenne marking — meets EU health, safety, and environmental requirements
• VDE: Tested and certified by VDE (Verband der Elektrotechnik) German electrical engineering standards body

Applications & Use Cases

• Motor protection in industrial machinery and manufacturing lines
• Feeder protection in MCC (Motor Control Centre) panels
• Short-circuit protection in industrial automation and control panels
• Applications in potentially explosive atmospheres (ATEX-rated installations)
• Switchboard and distribution board protection in heavy industrial facilities