250A 4-Pole Automatic Transfer Switch (ATS) – Power to Generator

The TRONIC TQ3S 250A 4-Pole Automatic Transfer Switch (ATS) is designed for reliable switching between normal and alternative power sources, making it suitable for generator backup and power supply systems. The unit is rated at 250A and features a 4-pole configuration for controlled switching of electrical power.

The TQ3S series is designed for AC 50/60Hz power systems with rated operating voltages of 400V/230V. It provides automatic and manual switching functions and includes three main contact positions: Normal, Alternative, and OFF. The OFF position allows the downstream circuit to be isolated for maintenance.

This model is identified by product code TQ3S025040250G and is specifically marked “Power to Generator” on the packaging.

The TRONIC TQ3S 250A ATS can be used in electrical systems requiring reliable transfer between a normal power supply and a generator or alternative source, including:

• Generator backup power systems
• Backup and standby power applications
• Electrical control and distribution panels
• Facilities requiring automatic power source switching