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Siemens LGG3B060L Molded Case Circuit Breaker
- 60A
- 3 Pole
- Unit Mount
Siemens
LGG3B060L
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGG3B060L
Quantity
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Siemens LGG3B060L - 60A 3 Pole Molded Case Circuit Breaker
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Description
The Siemens LGG3B060L is a 3-pole, 60A molded case circuit breaker for commercial and industrial applications. Part of the Sentron GB/GG frame group, it protects control panels and switchboards. This unit mount MCCB offers flexible installation with DIN rail compatibility. For upgrades, it is replaced by the 3VA5160-6EC31-0AA0 model (requires 3VA9133-0JB11 lug kit). It features thermal-magnetic LI protection, a 65kAIC rating at 480VAC, and includes line and load lugs.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGG3B060L |
| Series | LGG |
| Amperage | 60A |
| 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 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
8 answersWhat does a feed-thru connection mean for the LGG3B060L?
A feed-thru or lug-in/lug-out connection means the breaker uses mechanical lugs on both the line and load sides instead of a busbar stab connection. This allows direct cable termination at both ends, making it ideal for standalone installations in custom control panels.
Can the LGG3B060L be mounted on a DIN rail?
Yes, this GG-frame breaker is suitable for DIN rail mounting. Because it features lug-in/lug-out terminations, it can be installed as a standalone disconnect or branch breaker in enclosures without a traditional panel busbar.
What wire sizes are accepted by the lugs on this 60A breaker?
The included lugs accept 8 to 1/0 AWG copper (Cu) conductors or 8 to 2/0 AWG aluminum (Al) conductors. Ensure your conductor sizing matches the lug rating and application requirements.
What is the difference between the Siemens LGG, NGG, and HGG frames?
The primary difference is the interrupting capacity at 480VAC. The LGG frame provides a 65kAIC rating at 480VAC, while the NGG frame offers 25kAIC and the HGG frame offers 35kAIC. All three share the same physical dimensions and mounting configurations.
Can the LGG3B060L be used in DC voltage applications?
Yes, this thermal-magnetic breaker is rated for DC applications up to 125VDC and 250VDC. It provides an interrupting rating of 14kAIC at both DC voltage levels.
Are internal accessories field-installable in the LGG3B060L?
Yes, Siemens GG-frame breakers support UL-listed field-installable internal accessories. This includes shunt trips, auxiliary switches, undervoltage releases, and alarm switches.
Is the LGG3B060L suitable for 347/600V three-phase systems?
Yes, with its 600VAC maximum voltage rating, this 3-pole breaker is fully compatible with 347/600V three-phase distribution systems commonly used in commercial and industrial facilities.
How does the thermal-magnetic trip unit protect the circuit?
The trip unit provides Long-Time (L) and Instantaneous (I) protection. The thermal element protects against sustained overloads by heating up and tripping over time, while the magnetic element responds immediately to clear high-level short circuits.
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