Part of the Siemens SENTRON family, the HGG2B060L is a 2-pole, 60A molded case circuit breaker engineered for commercial and industrial applications. It provides dependable long-time and instantaneous (LI) protection. This GB/GG frame breaker features a unit-mount configuration, making it suitable for DIN rails and control panels. It replaces older NGG2B060L units and is superseded by the 3VA5160-5ED21-0AA0. Equipped with factory-installed lugs, it delivers a 35kAIC rating at 480VAC.
How is the Siemens HGG2B060L mounted in an electrical system?
This breaker features a unit mount design. It can be secured using standard mounting screws or snapped directly onto a DIN rail, making it highly adaptable for industrial control panels and standalone Siemens enclosures.
What wire sizes and materials are accepted by the factory lugs?
The feed-thru lugs on this breaker accommodate 8 to 1/0 AWG copper (Cu) conductors or 8 to 2/0 AWG aluminum (Al) conductors. Always apply the manufacturer specified torque when terminating wires.
Is this Sentron series breaker suitable for direct current (DC) systems?
Yes, it is rated for use in DC applications up to 250VDC, where it provides a 30kA interrupting capacity.
What protection does the LI thermal-magnetic trip unit provide?
The LI designation indicates that the breaker provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. Both the thermal and magnetic trip thresholds are fixed from the factory and cannot be field adjusted.
What safety verification is required before installing this MCCB?
Before installation, ensure the power supply is completely de-energized. You must also verify that your system's maximum available fault current does not exceed the breaker's interrupting ratings, such as 35kA at 480VAC or 22kA at 600Y/347VAC.
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