Tailored for standby diesel generators, the LG3500 is a 3-pole, 500A molded case circuit breaker from Eaton's Series G family. This device features a fixed thermal-magnetic trip unit with a low magnetic pickup to deliver reliable long-time and instantaneous (LI) protection. The reverse-feed capable LG-frame breaker mounts into Eaton Pow-R-Line panelboards, switchboards, and engine generator assemblies. It provides a 14 kAIC rating at 480VAC and is HACR rated for HVAC applications.
HACR Rated, Current Limiting, Reverse Feed, Generator Protection
Product FAQs
6 answers
Can the LG3500 circuit breaker be reverse fed?
Yes, this L-frame breaker is suitable for reverse feed applications.
Which Eaton panelboards accept the LG3500 breaker?
This breaker is designed for use in Eaton Pow-R-Line panelboards, switchboards, and engine generator applications that accept L-frame breakers.
What lug kit is standard for the LG3500?
The TA602LD lug kit is standard for this breaker, accepting two 3/0 AWG to 350 kcmil copper or aluminum conductors per phase.
Are the trip units on the LG3500 interchangeable?
No, the LG3500 features a fixed thermal and fixed magnetic trip unit that cannot be swapped in the field.
Is the LG3500 a 100% rated circuit breaker?
No, standard LG3500 breakers are 80% rated. Breakers requiring a 100% continuous rating typically feature a different catalog number suffix.
What internal accessories can be field installed on the LG3500?
Standard L-frame internal accessories, including shunt trips, auxiliary switches, and undervoltage releases, can be field installed in the accessory pockets of this breaker.
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