Built for heavy-duty commercial power distribution, this 600A molded case circuit breaker utilizes a robust thermal-magnetic mechanism. The two-pole device provides essential long-time and instantaneous protection. The bolt-on configuration fastens securely into Siemens P4 and P5 panelboards, as well as Sentron switchboards. This specific model is supplied without lugs, requiring separate kits for termination.
HACR Rated, Extra High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed, Trip-Free Mechanism
Product FAQs
6 answers
What types of enclosures and distribution equipment accept the HHLXD62B600?
This LD frame breaker is designed for installation in Siemens P4 and P5 panelboards, Sentron switchboards, and motor control centers.
What type of trip unit does this Sentron breaker utilize?
It is equipped with a thermal magnetic trip unit featuring fixed thermal and adjustable magnetic settings to provide long-time and instantaneous (LI) protection.
Which lug kits are compatible with this 600A LD frame breaker?
Common field-installable lug kits include the TA2J6500, which accepts 3/0 AWG to 500 kcmil wire, and the TA1L6750 single-barrel lug for 500 to 750 kcmil conductors. Compression lugs like the CCL600 are also compatible.
What does the HHLXD prefix signify in the Siemens catalog number?
The HHLXD prefix indicates a Sentron series LD frame breaker built with an extra-high interrupting capacity, providing up to 100kA fault protection at 480V and 50kA at 600V.
How is this circuit breaker mounted within a panelboard?
It features a bolt-on connection type, meaning it bolts directly to the busbars of compatible Siemens distribution panels and switchboard chassis for a secure electrical connection.
Can this 600V breaker be applied to lower voltage systems?
Yes, it is fully compatible with 240V and 480V AC systems. When applied at these lower voltages, the interrupting capacity increases to 200kA at 240V and 100kA at 480V.
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