ABB 1SDA068059R1 XT3N 250 TMD 250-2500 3p F F 250A 3-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA068059R1 XT3N 250 TMD 250-2500 3p F F is a 250A 3-pole fixed-mount moulded case power circuit breaker from the Tmax XT3 series, engineered for reliable overload and short-circuit protection of transformers, generators, and installation networks. Rated at 250A with a breaking capacity of 36 kA at 400 V AC, the XT3N 250 TMD 250-2500 3p F F delivers robust thermal-magnetic protection across demanding industrial environments. Compact dimensions of 105 mm × 150 mm × 70 mm and a weight of only 1.7 kg make it straightforward to integrate into control panels and switchgear assemblies.

Technical Specifications

Certifications & Standards

• IEC 60947-2: Compliant with the international standard for low-voltage circuit breakers, ensuring verified performance and safety in AC distribution systems.
• CE: Meets European Union health, safety, and environmental protection requirements for market placement across the EU.
• RoHS: Restriction of Hazardous Substances compliant — free from restricted levels of lead, mercury, cadmium, and other hazardous materials.
• REACH: Compliant with EU REACH regulation concerning the safe use of chemical substances in electrical products.
• ATEX: Certified for use in potentially explosive atmospheres, broadening applicability to hazardous industrial environments.
• CCC: China Compulsory Certification, confirming compliance with Chinese national safety standards for electrical equipment.
• EAC: Eurasian Conformity mark, authorising sale and use across EAEU member states including Russia, Belarus, and Kazakhstan.
• VDE: Verified by the Association for Electrical, Electronic & Information Technologies (Germany), a globally recognised mark of electrical safety.
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive, ensuring responsible end-of-life product recycling and disposal.

Applications & Use Cases

• Transformer feeder and secondary protection in industrial substations and MV/LV switchboards
• Generator circuit protection in standby power and distributed generation systems
• Main and sub-main circuit protection in industrial control panels and automation enclosures
• Installation protection in commercial buildings, data centres, and process plants
• Motor circuit protection where high breaking capacity is required in high-fault-level networks