Last Chance Siemens HED42B040L – 40A 2 Pole Molded Case Circuit Breaker

Built for standalone applications, this 40-amp unit-mount breaker delivers robust thermal-magnetic protection. It achieves a 42kA interrupting rating at 480VAC, making it suitable for demanding environments. Unlike bolt-on variants, this model fastens into individual enclosures, switchboards, and motor control centers. It comes equipped with LN1E100 line and load lugs, accepting 10 to 1/0 AWG wire. The non-interchangeable trip mechanism ensures consistent LI protection.