Description The ECQTH4 is a locking device manufactured by Siemens, designed as an accessory for low voltage residential circuit breakers. Specifically, it is compatible with Siemens' Miniature Thermal Magnetic Circuit Breakers used in electrical distribution applications such as load center mains, feeders, and miniature circuit breakers. The device type is MP and BL, meeting UL 489 standards with a trip range of thermal magnetic operation. It provides a high interrupt rating of 22,000 amperes (AIC) and features a three-pole configuration. Technical Specifications Part Number ECQTH4 Category Circuit Breaker Subcategory Circuit Breaker Accessory Applications Electrical Distribution Interrupt Rating 22 AIC Number of Poles 1 Pole Connection Type PLUG-IN Trip Range Thermal Magnetic Trip Type N/A Type MP; BL Information About ECQTH4 The ECQTH4 locking device by Siemens is specifically engineered as an accessory for low voltage residential circuit breakers, particularly compatible with Siemens' Miniature Thermal Magnetic Circuit Breakers utilized in various electrical distribution applications. It is designed to enhance circuit protection in load center mains, feeders, and miniature circuit breaker installations. This locking device is classified under types MP and BL, meeting UL 489 standards for electrical distribution applications. It features a thermal magnetic trip range and offers an interrupt rating of 22,000 amperes (AIC), ensuring robust protection against electrical faults. The ECQTH4 is configured with three poles, suitable for applications requiring multiple circuit protection points. In Siemens' Product Lifecycle Management (PLM) framework, the ECQTH4 is identified as an active product under the PM300 designation. It belongs to product group 5200 and has a net weight of approximately 2.205 pounds (lb). However, specific compliance information regarding substance restrictions under the RoHS directive is not available for this device.
