Built for commercial applications, the Siemens HGB3B060B is a 3-pole, 60A molded case circuit breaker from the SENTRON family. It utilizes thermal-magnetic trip technology to provide reliable long-time and instantaneous (LI) protection. This GB-frame breaker features a bolt-on mount, making it compatible with Siemens P1 through P5 panelboards. Delivering a high interrupting capacity of 35kA at 480V, the HACR-rated unit supports reverse feed setups and includes load side lugs.
HACR Rated, Reverse Feed, High Interrupting Capacity
Product FAQs
5 answers
What panelboards accept the HGB3B060B circuit breaker?
This bolt-on breaker is approved for installation in Siemens Sentron P1, P2, P3, P4, and P5 series panelboards. It connects directly to the panel bus.
What are the acceptable wire sizes for the HGB3B060B terminals?
The factory-installed lugs accept 8 to 1/0 AWG copper (Cu) conductors or 8 to 2/0 AWG aluminum (Al) conductors. Always ensure terminals are torqued to the manufacturer specifications listed on the breaker faceplate.
Does the HGB3B060B support DC voltage applications?
Yes. In addition to standard AC ratings, this breaker is rated for 125/250V DC applications with a maximum interrupting capacity of 42kA.
Are the trip settings adjustable on the HGB3B060B?
No. It features a thermal-magnetic trip unit with fixed long-time (thermal) and fixed instantaneous (magnetic) trip functions. These values cannot be modified in the field.
How does the HGB frame differ from the standard NGB frame?
The HGB frame provides a higher interrupting capacity. The HGB3B060B delivers 35kA at 480/277V AC, whereas the standard NGB frame provides 25kA at the same voltage. Both share the same physical footprint and panel compatibility.
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