Siemens NGG2B030L Molded Case Circuit Breaker
- 30A
- 2 Pole
- Unit Mount
Siemens
NGG2B030L
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGG2B030L
Quantity
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Siemens NGG2B030L - 30A 2 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Delivering 30 amps of reliable overcurrent defense, the Siemens NGG2B030L serves heavy-duty industrial environments. This 2-pole unit-mount MCCB operates on systems up to 480VAC and 600Y/347VAC. It integrates seamlessly into Siemens enclosures, switchboards, and DIN rail setups. Facilities upgrading older infrastructure can replace this unit with the newer 3VA5130-4ED21-0AA0. With a 65kAIC rating at 240V, it comes equipped with TC1Q1 lugs accepting 14-6 AWG copper wiring.Specifications
| Brand | Siemens |
|---|---|
| Series | NGG |
| Amperage | 30A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 240VAC, 25kA @ 480Y/277VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Frame Type | GG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Enclosures, Control Panels, Switchboards, DIN Rail |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| 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 answersWhat wire sizes are compatible with the NGG2B030L lugs?
The factory lugs accept 14 to 6 AWG copper wire or 12 to 6 AWG aluminum wire.
How is the NGG2B030L installed in a panel?
This is a unit mount, feed-thru breaker. It is designed to be bolted directly to the chassis or mounted on a DIN rail within compatible Siemens enclosures, control panels, or switchboards.
Is the NGG2B030L suitable for direct current (DC) systems?
Yes, this breaker is rated for DC applications, providing up to 14kA interrupting capacity at 125 or 250VDC.
Can the trip settings be adjusted in the field?
No, the thermal and magnetic trip elements on this GG frame breaker are fixed and cannot be adjusted.
What type of protection does the LI trip unit provide?
The LI designation means it includes Long-Time protection for standard overloads and Instantaneous protection for short circuits.
What frame family does the NGG2B030L belong to?
It is part of the Siemens SENTRON series and utilizes the GG frame, which falls under the broader GB/GG frame group.
Does this breaker plug onto a standard panelboard bus?
No, as a unit mount breaker with feed-thru connections, it does not plug onto a busbar. It requires appropriate hardware for surface mounting or DIN rail installation.
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