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Siemens NGG3B030L Molded Case Circuit Breaker
- 30A
- 3 Pole
- Unit Mount
Siemens
NGG3B030L
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGG3B030L
Quantity
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Siemens NGG3B030L - 30A 3 Pole Molded Case Circuit Breaker
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Description
Delivering high-performance overcurrent protection, the Siemens NGG3B030L is a 3-pole, 30A MCCB engineered for commercial environments. Utilizing a fixed thermal-magnetic trip unit, it provides dependable LI protection to safeguard electrical infrastructure. This model mounts into Siemens enclosures, switchboards, and DIN rail setups. The "L" designation indicates it comes factory-equipped with TC1Q1 line and load lugs for immediate installation.Specifications
| Brand | Siemens |
|---|---|
| Series | NGG |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 120VAC, 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 240VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Frame Type | NGG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Enclosures, Control Panels, Switchboards, DIN Rail |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included (TC1Q1) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, HACR, HID, NOM, UL |
| Temp Rating | 40C |
Product FAQs
7 answersHow is the Siemens NGG3B030L mounted in an enclosure?
This unit-mount breaker can be independently mounted directly to a DIN rail or secured to a base plate using mounting screws, without the need for additional mounting adapters.
What wire sizes and materials are compatible with the standard lugs on this breaker?
The factory-installed TC1Q1 line and load lugs accept 14-10 AWG copper (Cu) or aluminum (Al) conductors.
What does the "L" at the end of the NGG3B030L catalog number indicate?
The "L" suffix indicates that the breaker comes factory-equipped with line and load lugs. If the catalog number lacks the "L" suffix, the breaker is supplied without lugs.
What is the difference between Siemens NGG and NGB frame circuit breakers?
The NGG frame is a cable-in, cable-out breaker designed for unit mounting or DIN rail installation in control panels and enclosures. The NGB frame shares the same internal design but features a line end configured specifically for panelboard mounting.
Is the Siemens NGG3B030L suitable for reverse feeding?
Yes, this thermal magnetic molded case circuit breaker is suitable for reverse feed applications.
Where are field-installable accessories mounted on the NGG3B030L?
Operational accessories, such as shunt trips, auxiliary switches, and alarm switches, are contained within an add-on module that attaches to the left side of the circuit breaker.
Can the NGG3B030L be used in standard Siemens residential load centers?
No, the NGG frame is an industrial molded case circuit breaker designed for control panels, switchboards, and OEM enclosures. It is not compatible with standard residential load centers.
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