Breaking capacity hits 121 kA at 240 V AC and still delivers 75.6 kA at 415 V and 52.5 kA at 440 V — enough headroom for most commercial and light industrial main feeders without cascading upstream.
What's built in and what's left out
It is a straight thermal-magnetic line-protection breaker with a voltage-trigger shunt trip. The TM240 release means the thermal pickup is fixed at 240 A, adjustable down to 160 A? Actually the 160 A rating is the continuous rated current (Iu); the TM240 release is the overcurrent trip unit type. If your panel needs remote status feedback or undervoltage protection, you will add those externally.
Measures 130 mm high, 76.2 mm wide, 70 mm deep — standard 3-pole MCCB footprint for DIN-rail or screw-mount panel integration. No auxiliary contacts built in, so if you need a NO/NC status signal for a PLC or indicator lamp, add a separate auxiliary switch block.