The Siemens 3UA5500-8M thermal overload relay ensures superior motor protection in the 36A to 45A range. Optimized for compatibility with SIEMENS 3TF30/31 contactors, this relay offers advanced safety against overload and phase failure—ideal for high-load industrial environments.
Current Range: 36A to 45A
Compatible With: SIEMENS 3TF30 / 3TF31 contactors
Protection: Overload and phase failure protection
Reset Option: Manual and automatic reset functionality
Durable & Compact: Industrial-grade design suitable for tight panel spaces
High Performance: Built for continuous and heavy-duty operations