Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens LGG3B100L Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Siemens
LGG3B100L
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGG3B100L
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens LGG3B100L - 100A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
80A 3 Pole Molded Case Circuit Breaker
70A 3 Pole Molded Case Circuit Breaker
60A 3 Pole Molded Case Circuit Breaker
Description
Built for heavy-duty power distribution, the Siemens LGG3B100L 100A, 3-pole molded case circuit breaker operates within the Sentron LGG frame lineup. It delivers reliable thermal-magnetic protection with an adjustable instantaneous trip. Designed for versatility, this breaker mounts into industrial control panels, switchboards, or onto a DIN rail. It boasts a 100kAIC rating at 240VAC and includes line and load lugs. This model is replaced by the 3VA5110-6EC31-0AA0.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGG3B100L |
| Series | LGG |
| Amperage | 100A |
| 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 wire sizes are compatible with the lugs on the LGG3B100L?
The factory installed lugs accept 8 AWG to 1/0 AWG copper wire or 8 AWG to 2/0 AWG aluminum wire. Ensure proper torque specifications are followed during installation.
Where can the LGG3B100L be installed?
This unit mount breaker is suitable for Siemens enclosures, industrial control panels, switchboards, and DIN rail applications. It features a feed-thru connection type.
Can the LGG3B100L be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 14kAIC at both 125VDC and 250VDC.
How does the trip unit operate on this breaker?
It utilizes a thermal magnetic trip unit with fixed thermal protection for overloads and an adjustable magnetic setting. The adjustable magnetic feature allows electricians to tune the instantaneous short circuit response to match specific load requirements.
What do the L and I stand for in the trip function code?
The LI designation means the breaker provides Long-Time (L) protection against sustained overloads and Instantaneous (I) protection against severe short circuits.
Which Siemens breaker family does this unit belong to?
The LGG3B100L is part of the Siemens SENTRON family and falls under the GB/GG frame group of molded case circuit breakers.
Does this breaker require a specific mounting kit for DIN rail installation?
While the breaker is compatible with DIN rail mounting, you may need a specific Siemens DIN rail adapter clip depending on the exact rail profile and enclosure setup.
What is the maximum interrupting capacity of this breaker?
The maximum interrupting rating is 100kAIC when used in 240VAC systems. The rating scales down at higher voltages, providing 65kAIC at 480VAC and 14kAIC at 600VAC.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.