What the 70 kA @ 415 V means for your panel
Trip settings and protection range
The TM240 unit is adjustable: overload protection (Ir) spans 22 A to 32 A, and short-circuit protection (Ii) is set at 5 to 10 times In — so between 160 A and 320 A for the magnetic pickup. That wide Ii range lets the commissioning engineer tune for motor inrush or transformer energization without nuisance tripping, while the thermal element handles the continuous load curve. The nut keeper kit and two auxiliary switches (HP) are factory-fitted, saving a panel-builder step.
The 160 A frame occupies roughly the same footprint as the 250 A frame in the same series, so if you are retrofitting into an existing enclosure, verify the gland-plate clearance for the outgoing terminals. The auxiliary switches are pre-wired to a common terminal block; no additional wiring of microswitches is needed.