ABB 1SDA080834R1 XT1S 160 TMD 40-450 3p F F 40-450A 3P 85kA Moulded Case Circuit Breaker

The ABB 1SDA080834R1 XT1S 160 TMD 40-450 3p F F is a high-performance 3-pole moulded case power circuit breaker from ABB's Tmax XT1 series, designed for transformer, generator, and installation protection in industrial and commercial power distribution systems. Rated for 40–450 A with an exceptional breaking capacity of 85 kA at 220 V AC, this fixed-mount device delivers reliable overcurrent and short-circuit protection even in demanding environments. Weighing just 1.1 kg, the XT1S 160 TMD 40-450 3p F F combines compact form with industrial-grade robustness.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with EU Restriction of Hazardous Substances directive, ensuring environmentally responsible materials.
• REACH: Compliant with EU REACH regulation, confirming safe chemical substance management.
• IEC 60947-2: Meets the international standard for low-voltage switchgear and controlgear — circuit breakers, verifying performance and safety.
• IEC60947-2: Verified conformity to IEC60947-2 requirements for low-voltage circuit breaker operation and protection characteristics.
• CE: CE marked, confirming conformity with applicable European Union directives for market placement.

Applications & Use Cases

• Transformer primary and secondary side protection in industrial power distribution panels
• Generator output circuit protection in standby and prime power installations
• Main and sub-distribution board feeder protection in commercial and industrial buildings
• Control panel main switch and overcurrent protection in automation systems
• Installation protection for motor control centers and switchgear assemblies

Frequently Asked Questions

What is the breaking capacity of the XT1S 160 TMD 40-450 3p F F?

The ABB 1SDA080834R1 has a breaking capacity of 85 kA at 220 V AC, making it suitable for high fault-current environments such as transformer secondary circuits.

What does TMD mean in the catalog number?

TMD stands for Thermomagnetic trip unit with adjustable thermal (overload) and fixed magnetic (short-circuit) protection, providing flexible current setting between 40 A and 450 A.

What mounting type does this circuit breaker use?

The 1SDA080834R1 uses a fixed (F F) mounting configuration, suitable for panel-mount installations where the breaker is permanently secured to the switchboard or enclosure.

Is the ABB XT1S 160 RoHS and CE certified?

Yes. The XT1S 160 TMD 40-450 3p F F carries RoHS, REACH, CE, and IEC 60947-2 certifications, confirming compliance with EU and international safety and environmental standards.