Providing reliable overcurrent protection, the Siemens HEG3B100L is a 3-pole, 100-amp molded case circuit breaker. This Sentron VL series EG-frame unit features fixed thermal and fixed magnetic trip elements (LI) for commercial and industrial applications. It is designed to mount into Siemens P4 and P5 panelboards, switchboards, and enclosures. Rated for 65 kAIC at 480VAC, it includes factory-installed line and load lugs. This model is replaced by the 3VA5110-6ED31-0AA0.
HACR Rated, High Interrupting Capacity, Reverse Feed
Product FAQs
7 answers
What panelboards and enclosures are compatible with the Siemens HEG3B100L?
The HEG3B100L is designed for use in Siemens P4 and P5 panelboards, switchboards, and compatible standalone enclosures. It utilizes a unit mount, feed-thru connection.
Is there a direct replacement or newer model for the HEG3B100L?
Yes, the HEG3B100L from the Sentron VL series is often replaced by the newer Siemens 3VA series, specifically catalog number 3VA5110-6ED31-0AA0, depending on your exact panel configuration.
What wire sizes are accepted by the lugs on the HEG3B100L?
The factory-installed line and load lugs on this breaker accept copper or aluminum wire ranging from 14 AWG up to 1/0 AWG.
Is the HEG3B100L suitable for DC power systems?
Yes, in addition to its AC ratings, this breaker is certified for DC applications. It provides an interrupting capacity of 42kA at 250VDC and 35kA at 500VDC, which is useful for specialized industrial control or battery systems.
Are the trip settings adjustable on the HEG3B100L?
No, this breaker features a fixed thermal and fixed magnetic (LI) trip unit. Both the long-time overload and instantaneous short-circuit functions are factory-set and cannot be adjusted in the field.
Can the HEG3B100L be reverse fed?
Yes, this breaker is suitable for reverse feed applications, providing flexibility for various panelboard and switchboard configurations.
Is the Siemens HEG3B100L HACR rated?
Yes, this circuit breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
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