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Siemens NGG2B015L Molded Case Circuit Breaker
- 15A
- 2 Pole
- Unit Mount
Siemens
NGG2B015L
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGG2B015L
Quantity
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Siemens NGG2B015L - 15A 2 Pole Molded Case Circuit Breaker
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Description
Belonging to the Sentron family, the Siemens NGG2B015L provides robust thermal-magnetic protection for commercial and industrial applications. This 15A, 2-pole MCCB handles demanding electrical loads safely. It installs into DIN rail enclosures, control panels, and switchboards via a standard unit mount. Note that this legacy model has been officially replaced by the 3VA5195-4ED26-0AA0. Rated at 25 kAIC at 480VAC, it includes factory-installed line and load lugs for fast wiring.Specifications
| Brand | Siemens |
|---|---|
| Part Number | NGG2B015L |
| Series | NGG |
| Amperage | 15A |
| 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 | NGG |
|---|---|
| Terminal Type | Lugs |
| For Use With | DIN Rail Enclosures, Control Panels, Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Line & Load Side 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
6 answersHow is the Siemens NGG2B015L circuit breaker mounted?
This unit-mount breaker can be independently mounted on a standard 35mm DIN rail or secured to a backpan using mounting screws. It is designed for use in DIN rail enclosures, control panels, and switchboards rather than plug-on panelboards.
What does the "L" at the end of the NGG2B015L catalog number indicate?
The "L" suffix signifies that the circuit breaker is supplied from the factory with both line-side and load-side lugs installed, making it ready for feed-thru wiring out of the box.
What wire sizes are accepted by the lugs on the NGG2B015L?
The factory-installed lugs accept 14 AWG to 10 AWG copper or aluminum wire. Ensure proper torque specifications are followed during installation for secure feed-thru connections.
Can the NGG2B015L be used in direct current (DC) systems?
Yes, this thermal-magnetic breaker is rated for use on DC systems up to 125/250VDC, providing an interrupting capacity of 14kA. This makes it suitable for various industrial control panel applications.
What environmental conditions are suitable for the NGG2B015L?
This GG-frame breaker is designed for use in enclosed rooms without adverse conditions like heavy dust or corrosive vapors. For installation in dusty, damp, or outdoor environments, it must be installed inside a suitably NEMA-rated protective enclosure.
How does the thermal-magnetic trip unit in the NGG2B015L operate?
The breaker uses fixed thermal and fixed magnetic elements to provide LI (Long-Time and Instantaneous) protection. The thermal element responds to sustained overloads, while the magnetic element trips instantaneously during short-circuit events.
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