ECQTH3 | Siemens Handle Ties

The Siemens ECQTH3 is a handle tie accessory designed for use with Siemens circuit breakers, specifically compatible with 2-pole type QP and BL models. Manufactured by Siemens, the ECQTH3 handle ties serve to securely connect multiple circuit breakers. The type designation for this accessory is ECQP, denoting its compatibility and intended use.

The Siemens ECQTH3 is a handle tie accessory designed and manufactured by Siemens. It is specifically engineered to serve as a connecting mechanism for 2-pole circuit breakers of types QP and BL within Siemens' product range. As indicated by its designation, the ECQTH3 is part of the ECQP series of handle ties. 

Functionally, the ECQTH3 handle tie facilitates the simultaneous operation of multiple 2-pole circuit breakers, enhancing operational efficiency and system reliability. By securely fastening compatible circuit breakers together, it ensures coordinated tripping and disconnection during fault conditions or manual operation. 

The primary purpose of the ECQTH3 handle tie is to maintain synchronization between interconnected circuit breakers, particularly in applications where double-pole configurations are required. This accessory contributes to the safe and reliable operation of electrical distribution systems by preventing potential discrepancies or inconsistencies in breaker operation.