ABB 1SDA068070R1 XT3N 250 TMD 250-2500 4p F F InN=100% 250A 4-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA068070R1 XT3N 250 TMD 250-2500 4p F F InN=100% is a 250A 4-pole fixed-mounted moulded case power circuit-breaker from the Tmax XT3N series, designed for trafo, generator, and installation protection. Delivering a breaking capacity of 50 kA at 220 V AC and featuring a TMD (Thermal-Magnetic adjustable) trip unit with a neutral current ratio of 100%, this ABB circuit-breaker ensures reliable overcurrent and short-circuit protection in demanding industrial environments.

Technical Specifications

Certifications & Standards

• IEC 60947-2: International standard for low-voltage switchgear and controlgear — circuit-breakers
• CE: Conformité Européenne — meets EU safety, health, and environmental protection requirements
• ATEX: Certified for use in explosive atmospheres (EU Directive 2014/34/EU)
• VDE: Verband der Elektrotechnik — German electrotechnical quality and safety certification
• RoHS: EU Directive 2011/65/EU — restriction of hazardous substances in electrical and electronic equipment
• REACH: EU Regulation (EC) No 1907/2006 — registration, evaluation, authorisation and restriction of chemicals
• EU Directive 2011/65/EU: RoHS Directive restricting use of hazardous substances
• EU Directive 2015/863: Amending RoHS Directive — expanded list of restricted substances
• WEEE: EU Directive on waste electrical and electronic equipment — compliant end-of-life recycling

Applications & Use Cases

• Transformer and generator protection in industrial power distribution panels
• Installation protection for main and sub-distribution boards
• Control panels in manufacturing, utilities, and infrastructure facilities
• 4-pole applications requiring full neutral conductor protection (InN = 100%)
• Industrial automation systems requiring IEC 60947-2 compliant overcurrent protection