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Siemens LGG3B015L Molded Case Circuit Breaker
- 15A
- 3 Pole
- Unit Mount
Siemens
LGG3B015L
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGG3B015L
Quantity
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Siemens LGG3B015L - 15A 3 Pole Molded Case Circuit Breaker
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Description
Built for versatile industrial applications, the Siemens LGG3B015L is a 3-pole, 15A molded case circuit breaker from the SENTRON family. It utilizes a thermal-magnetic trip unit to deliver precise long-time and instantaneous (LI) protection for critical circuits. This unit-mount breaker installs onto standard DIN rails, enclosures, switchboards, and Siemens P4 or P5 panelboards. It includes line and load side lugs accepting 14-6 AWG copper wire.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGG3B015L |
| Series | LGG |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 125VDC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 14kA @ 600Y/347VAC, 14kA @ 125VDC, 14kA @ 250VDC |
| Frame Type | LGG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P4 Panelboards, Siemens P5 Panelboards, Switchboards, Enclosures, DIN Rail |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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 Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, NOM, UL |
| Temp Rating | 40C |
Product FAQs
8 answersCan the LGG3B015L be mounted directly on a DIN rail?
Yes, this GG-frame breaker features an integral design that allows it to be mounted directly onto a standard 35mm DIN rail or base-mounted with screws, without requiring any additional mounting adapters.
What does the L suffix indicate in the LGG3B015L catalog number?
The L at the end of the part number indicates that the breaker is shipped factory-assembled with standard line and load side lugs included.
Which Siemens panelboards are compatible with the LGG3B015L?
This unit-mount breaker is designed for use in Siemens P4 and P5 panelboards, as well as standard switchboards and individual enclosures.
Is the LGG3B015L suitable for reverse feeding?
Yes. Because it features a non-interchangeable, non-removable thermal-magnetic trip unit, it meets UL 489 requirements for reverse feeding applications.
Can this breaker be used in direct current (DC) systems?
Yes, the LGG3B015L is rated for DC applications, providing an interrupting capacity of 14kA at both 125VDC and 250VDC.
How does the LGG frame differ from other Siemens GG-frame breakers like the NGG or HGG?
The LGG frame offers the highest interrupting capacity within the standard GG-frame family, providing up to 65kAIC at 480V and 14kAIC at 600Y/347V, whereas NGG and HGG models have lower short-circuit ratings.
What type of wire can be used with the standard lugs on the LGG3B015L?
The factory-installed lugs accept both copper (Cu) and aluminum (Al) conductors. They accommodate 14-6 AWG copper wire and 12-6 AWG aluminum wire.
What safety mechanisms are built into the LGG3B015L toggle?
This breaker features an overcenter toggle mechanism that is trip-free. If a short circuit or tripping condition occurs, the contacts are forced apart and the breaker cannot be held closed by means of the handle.
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