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Siemens LGG3B080L Molded Case Circuit Breaker
- 80A
- 3 Pole
- Unit Mount
Siemens
LGG3B080L
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGG3B080L
Quantity
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Siemens LGG3B080L - 80A 3 Pole Molded Case Circuit Breaker
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Quantity
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Description
Delivering 80A of reliable overcurrent protection, the Siemens LGG3B080L is a 3-pole MCCB. As part of the Sentron GB/GG frame series, it is optimized for commercial and industrial applications. This breaker features a unit mount configuration accommodating DIN rail installations. For upgrades, it is replaced by the 3VA5180-6EC31-0AA0 model (requires 3VA9133-0JB11 lug kit). It is equipped with a thermal-magnetic LI trip mechanism and boasts a 65kAIC rating at 480VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGG3B080L |
| Series | LGG |
| Amperage | 80A |
| 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 |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Enclosures, Industrial Control Panels, Switchboards, DIN Rail |
| Wire Gauge | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG (Cu), 2/0 AWG (Al) |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| 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
6 answersWhat wire sizes and materials are compatible with the lugs on the LGG3B080L?
The factory-installed lugs accept 8 to 1/0 AWG copper wire or 8 to 2/0 AWG aluminum wire.
Where can the LGG3B080L be installed?
This unit mount breaker is designed for use in Siemens enclosures, industrial control panels, and switchboards. It can also be mounted on a standard DIN rail.
What does the adjustable magnetic trip function allow you to do?
The adjustable magnetic trip lets you tune the instantaneous short-circuit response of the breaker to coordinate with other protective devices or handle specific motor inrush currents, while the thermal overload protection remains fixed at 80 amps.
Does this breaker plug into a panelboard bus?
No. The LGG3B080L is a feed-thru, unit mount breaker. It requires direct wire connections at both the line and load terminals rather than plugging or bolting directly onto a panelboard busbar.
What breaker family and frame does the LGG3B080L belong to?
This breaker is part of the Siemens SENTRON family and falls under the GB/GG frame group.
Can this breaker be used in DC applications?
Yes, it is rated for DC systems up to 250VDC, providing a 14kA interrupting capacity at both 125VDC and 250VDC.
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