Handling up to 600 amps, the Siemens HMD63B600 is a 3-pole Sentron molded case circuit breaker. It provides essential protection for industrial power systems. The unit-mount design ensures compatibility with Siemens P4 and P5 panelboards, switchboards, and motor control centers. Its MD frame simplifies integration. Featuring a 65 kAIC rating at 480VAC, it safely clears severe faults. It includes an interchangeable thermal-magnetic trip unit with adjustable instantaneous protection.
HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit
Product FAQs
4 answers
What panelboards are compatible with the HMD63B600 circuit breaker?
The HMD63B600 is designed for installation in Siemens P4 and P5 panelboards, as well as Siemens switchboards and motor control centers.
What are the standard lug terminals for the HMD63B600?
The standard mechanical lugs for this MD frame breaker are catalog number TA3K500. These lugs accept three 1/0 AWG to 500 kcmil copper or aluminum conductors per terminal.
What is the difference between the Siemens MD63B600 and the HMD63B600?
The HMD63B600 is the high-interrupting capacity version of the standard MD63B600. The HMD63B600 provides a 65kAIC rating at 480V, whereas the standard MD frame has a lower short-circuit interrupting capacity.
How are the trip settings adjusted on the HMD63B600?
This breaker features a thermal magnetic trip unit with a fixed thermal setting for long-time overcurrent protection and an adjustable magnetic dial to set the instantaneous short-circuit trip threshold.
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