The thermal element handles sustained overloads; the magnetic element responds to short-circuit events. For a panel-builder or site electrical engineer, the key decision point is coordinating this trip curve with downstream loads and upstream protective devices to achieve selective coordination per IEC 60947-2.
Deployment Context
The UL/CSA listing means it is accepted for service entrance, feeder, and branch circuit protection in North American installations. The 3-pole configuration suits three-phase loads such as motor control centers, HVAC equipment, or industrial machinery.