Overview
The Siemens 3TH8244-0G is a heavy-duty pilot-duty control relay designed for demanding industrial automation and motor control systems. This 8-pole auxiliary contactor provides dependable switching performance at 600VAC with a 10A rated current, making it ideal for controlling larger circuit loads in industrial control panels.
Key Features
- 8-pole configuration with 4 normally open (NO) and 4 normally closed (NC) auxiliary contacts
- 600VAC rated voltage with 10A switching capacity
- Heavy pilot-duty classification for continuous, high-reliability applications
- Complies with EN 50011 and IEC 60947-5-1 international standards
- Compact World Series design compatible with 3TH motor control systems
- Used condition—fully functional for immediate deployment
Technical Specifications
The relay features a robust 8-pole design with multiple contact configurations to support complex control logic. Its rated voltage of 600VAC and 10A current capacity suit applications requiring medium-to-heavy switching loads. The unit conforms to both European (EN 50011) and international (IEC 60947-5-1) electrical standards, ensuring compatibility and safety in global industrial environments.
Typical Applications
- Auxiliary switching in three-phase motor starters and contactors
- Interlocking and safety control circuits in machine automation
- Pilot-duty switching for larger main contactors
- Status indication and control feedback in industrial control systems
- Direct replacement in legacy Siemens 3TH series installations
Compatibility & Replacements
The 3TH8244-0G is part of the Siemens World Series 3TH control relay family. It integrates seamlessly with other 3TH series components, including 3TF contactors, 3UA overload relays, and 3VU motor protectors. Engineers should verify coil voltage and contact configuration when substituting variants (0A, 0B, 0X, etc.) to ensure control circuit compatibility. This used unit carries full functional integrity and serves as a cost-effective replacement for OEM and maintenance applications.
