ABB 1SDA067458R1 XT1H 160 TMD 63-630 4p F F 4-Pole 160A Molded Case Circuit Breaker

The ABB XT1H 160 TMD 63-630 4p F F (SKU: 1SDA067458R1) is a 4-pole, 160 A molded case circuit breaker from the Tmax XT1 series, engineered for reliable overload and short-circuit protection in industrial power distribution systems. Featuring a thermal-magnetic TMD trip unit with adjustable current settings, this MCCB delivers precise protection across a wide range of load conditions in a compact fixed-mount design.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union directives for electrical equipment
• IEC 60947-2: Meets the international standard for low-voltage circuit breakers
• VDE: Certified by the German Association for Electrical, Electronic & Information Technologies
• ATEX: Suitable for use in potentially explosive atmospheres per applicable directives
• UL 2799: Listed under UL standard for electrical systems including circuit protection
• RoHS: Compliant with Restriction of Hazardous Substances Directive (EU 2011/65/EU)
• REACH: Compliant with EU REACH regulation on chemical substances

Applications & Use Cases

• Main and sub-distribution boards in commercial and industrial facilities
• Protection of motors, transformers, and feeder circuits up to 160 A
• Panel builders and OEM machine switchgear requiring a compact 4-pole MCCB
• Installations requiring ATEX-rated circuit protection in hazardous locations
• Power distribution in data centers, manufacturing plants, and infrastructure projects

Frequently Asked Questions

• What does the TMD trip unit mean? TMD stands for Thermal-Magnetic with adjustable trip settings, providing both overload (thermal) and short-circuit (magnetic) protection with field-adjustable current thresholds.
• What does "4p F F" mean in the catalog number? "4p" denotes 4 poles; "F F" indicates fixed (non-withdrawable) mounting in a fixed frame configuration.
• Is the XT1H 160 TMD 63-630 4p F F suitable for hazardous areas? Yes — the ATEX certification confirms suitability for use in certain potentially explosive atmospheres when installed per the applicable ATEX guidelines.
• What is the adjustable current range? The TMD trip unit is adjustable within a 63–630 range as indicated in the catalog designation.