ABB 1SDA067439R1 XT1S 160 TMD 50-500 4p F F 50A 4-Pole Fixed Air Circuit Breaker

The ABB 1SDA067439R1 — catalog number XT1S 160 TMD 50-500 4p F F — is a 4-pole, 50 A fixed-mount air circuit breaker from the Tmax XT1 series, engineered for reliable low-voltage switchgear protection in demanding industrial environments. Featuring a TMD (Thermal-Magnetic Direct) trip unit with an adjustable range of 50–500, the XT1S 160 TMD 50-500 4p F F delivers precise overload and short-circuit protection across all four poles. Compact at 101.6 × 130 × 70 mm and weighing just 1.4 kg, it is designed for panel space efficiency without compromising performance.

Technical Specifications

Certifications & Standards

• IEC 60947-2: Low-voltage switchgear and controlgear — circuit breakers
• CE: Conforms to European Union safety, health, and environmental protection requirements
• ATEX: Certified for use in potentially explosive atmospheres
• VDE: Tested and certified by the German Association for Electrical, Electronic & Information Technologies
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances
• REACH: Compliant with EU REACH regulation on chemical safety
• EU Directive 2011/65/EU: RoHS directive compliance
• Amendment 2015/863: Compliance with updated RoHS substance restrictions
• UL 2799: Certified to UL standard for electrical systems

Applications & Use Cases

• Industrial switchgear panels and motor control centres (MCCs)
• Protection of distribution circuits in manufacturing facilities
• Power distribution boards requiring 4-pole protection (including neutral protection)
• Hazardous area installations requiring ATEX-rated protective devices
• Commercial and industrial building electrical infrastructure
• Generator and transformer feeder protection