Belonging to the Siemens SENTRON family, the NGG3B035L is a 35A, 3-pole MCCB built for commercial power distribution. It delivers reliable thermal-magnetic protection for heavy-duty electrical systems. This GB/GG frame breaker mounts into Siemens enclosures, control panels, and DIN rails. It is reverse feed capable and is officially replaced by the 3VA5135-4ED31-0AA0. Featuring a 100kAIC rating at 120VAC, it includes factory-installed line and load lugs and is HACR rated.
Yes. Because this breaker features a fixed thermal-magnetic trip unit, it is suitable for reverse feed applications in accordance with UL 489 standards.
Does the NGG3B035L require a special adapter for DIN rail mounting?
No. The Siemens NGG frame features an integral mounting design that allows it to be installed directly onto a standard DIN rail or base mounted with screws without requiring additional adapter plates.
What is the difference between Siemens NGG and NGB frame circuit breakers?
While both share the same internal design and compact footprint, NGG breakers like the NGG3B035L are configured for unit mounting (feed-thru, screw, or DIN rail). NGB breakers are specifically configured with a line end designed for direct panelboard mounting.
What is the modern replacement for the NGG3B035L?
Siemens has officially replaced this legacy SENTRON series breaker with the newer 3VA series equivalent, catalog number 3VA5135-4ED31-0AA0.
Is this breaker suitable for direct current (DC) applications?
Yes, the NGG3B035L is rated for DC systems up to 250VDC, providing a 14kA interrupting capacity for use in DC control panels or industrial automation.
What type of terminals are included on the NGG3B035L?
This breaker comes with factory-installed line and load lugs that accept 8 to 1/0 AWG copper wire or 8 to 2/0 AWG aluminum wire.
Does the NGG3B035L have a trip-free mechanism?
Yes. It features an overcenter toggle mechanism that is trip-free. In the event of a short circuit or overload, the contacts are forced apart and the breaker cannot be held closed by the handle.
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