Overview
The Siemens 3UA6200-2H is a Class 10 bimetallic thermal overload relay engineered for motor protection in three-phase AC circuits. Rated for 55-80A, this relay provides dependable overload detection and automatic trip protection, making it ideal for industrial motor starters and control systems requiring compliant motor protection.
Key Features
- Class 10 trip time classification for reliable overload protection
- Three-pole (3P) design for three-phase motor circuits
- Adjustable thermal bimetal operating mechanism
- Double-break contacts for enhanced reliability
- Silver tin oxide contacts, cadmium-free construction
- Compatible with Siemens SICOMP and industrial starter platforms
Technical Specifications
The relay meets IEC standards and is built with proven bimetallic technology for consistent performance across industrial environments. Thermal trip time follows Class 10 characteristics, ensuring motor protection without nuisance trips during normal inrush currents.
Typical Applications
- Three-phase AC motor protection in manufacturing and process automation
- Integration with contactor-based motor starters
- Industrial production line motor control systems
- Machinery and equipment requiring automatic overload shutdown
- Field retrofit and replacement in existing control cabinets
Compatibility & Replacements
The 3UA6200-2H is part of Siemens’s 3UA6 series thermal overload relays. Related models in the same family include the 3UA6200-3H, 3UA6200-3J, 3UA6200-3K, 3UA6200-3L, and 3UA6200-3M, each rated for different amperage ranges. When ordering replacement or retrofit units, confirm the current rating matches your motor specification. This relay integrates with Siemens motor starters, soft starters, and legacy control equipment. For field installation, relays can be ordered separately or factory-installed with compatible starter packages.
