ABB 1SDA105123R1 MIR-P x XT5 P/W 400A FP Mechanic Interlock for Switch Tmax XT5 200x250x10mm

The ABB 1SDA105123R1 MIR-P x XT5 P/W 400A FP is a mechanical interlock accessory engineered for ABB Tmax XT5 series plug-in and withdrawable circuit breakers rated up to 400A. Designed to prevent simultaneous closing of two circuit breakers, the MIR-P x XT5 P/W 400A FP ensures safe interlocking in source changeover and bus-tie applications in industrial control panels. Compact at 200 × 250 × 10 mm and weighing 2.7 kg, it integrates directly with XT5 frames for a reliable mechanical solution.

Technical Specifications

Certifications & Standards

• CE: Compliant with EU Low Voltage and EMC Directives for sale within the European Economic Area
• IEC 60947-2: Designed and tested in accordance with IEC 60947-2, the international standard for low-voltage circuit-breakers and their accessories
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive (2011/65/EU), restricting use of hazardous materials in electrical equipment
• REACH: Conforms to EU REACH regulation (EC No 1907/2006) regarding the safe use of chemical substances
• WEEE: Registered under the EU Waste Electrical and Electronic Equipment Directive for responsible end-of-life recycling

Applications & Use Cases

• Source changeover interlocking between two Tmax XT5 circuit breakers in industrial switchboards
• Bus-tie protection in main and sub-distribution panels to prevent parallel feed conflicts
• Generator changeover systems requiring proven mechanical interlock between mains and standby breakers
• Industrial automation and motor control centers where simultaneous breaker closure must be mechanically prohibited
• Control panel assemblies demanding IEC 60947-2 compliant accessory integration with XT5 P/W frames