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Siemens NGG3B015L Molded Case Circuit Breaker
- 15A
- 3 Pole
- Unit Mount
Siemens
NGG3B015L
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGG3B015L
Quantity
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Siemens NGG3B015L - 15A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial power distribution, the Siemens NGG3B015L is a 3-pole, 15A MCCB with fixed thermal-magnetic trip technology. It delivers reliable long-time and instantaneous (LI) protection for commercial environments. This unit-mount breaker installs into Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. It supports DIN rail mounting and reverse feed applications. Rated 25kAIC at 480V, this NGG frame unit is being replaced by the 3VA5195-4EC31-0AA0.Specifications
| Brand | Siemens |
|---|---|
| Series | NGG |
| Amperage | 15A |
| 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 | GG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Enclosures, Motor Control Centers |
| 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, Undervoltage Release |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, HACR, HID, NOM, SWD, UL |
| Temp Rating | 40C |
Product FAQs
5 answersWhat equipment is the Siemens NGG3B015L compatible with?
This breaker is designed for use as an incoming main or branch breaker in Siemens P1, P2, and P3 panelboards, as well as switchboards, enclosures, and motor control centers.
How is the NGG3B015L circuit breaker mounted?
It is a unit-mount breaker that can be independently mounted on a standard DIN rail or secured to a base plate using mounting screws without the need for additional adapters.
Does the NGG3B015L come with lugs?
Yes, the "L" suffix in the catalog number indicates that both line and load lugs are factory-installed. These standard lugs accept 14 to 10 AWG wire.
Can the Siemens NGG3B015L be reverse fed?
Yes, this circuit breaker is suitable for reverse feed applications.
What does the trip-free mechanism on the NGG3B015L do?
The over-center toggle mechanism is trip-free, meaning that if a short circuit or overload condition occurs, the contacts are forced apart and the breaker cannot be held closed by physically holding the handle.
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