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Siemens NGG2B100L Molded Case Circuit Breaker
- 100A
- 2 Pole
- Unit Mount
Siemens
NGG2B100L
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGG2B100L
Quantity
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Siemens NGG2B100L - 100A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Siemens NGG2B100L provides robust overcurrent protection within the GB/GG frame footprint. This 2-pole, 100A molded case circuit breaker utilizes fixed thermal-magnetic trip technology for dependable long-time and instantaneous (LI) defense. It mounts into standard DIN rail enclosures, switchboards, and control panels. Note that this legacy NGG model has been replaced by the 3VA5110-4ED26-0AA0 for newer installations.Specifications
| Brand | Siemens |
|---|---|
| Part Number | NGG2B100L |
| Series | NGG |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120VAC, 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 240VAC, 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 | 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, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, Nut Keeper Kit |
|---|---|
| Accessories | Line & Load Side Lugs (TC1GG20) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489 |
| Approval | CE, CSA, NOM, UL |
| Temp Rating | 40C |
Product FAQs
7 answersDoes the Siemens NGG2B100L support DIN rail installation?
Yes, this unit mount breaker can be installed directly onto a standard DIN rail or surface mounted using screws within compatible control panels and switchboards.
What wire sizes are compatible with the terminals on this breaker?
The factory-installed feed-thru lugs accept 8 AWG to 1/0 AWG copper wire, or 8 AWG to 2/0 AWG aluminum wire.
Can the NGG2B100L be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 125/250VDC, where it provides a 14kA interrupting capacity.
What does the L at the end of the NGG2B100L catalog number indicate?
The L suffix signifies that the circuit breaker is supplied with factory-installed line and load lugs.
Are the trip settings adjustable on the NGG2B100L?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions are factory set and cannot be field adjusted.
Is this breaker part of the Siemens SENTRON series?
Yes, the NGG2B100L belongs to the Siemens SENTRON family and falls under the GB/GG frame classification for molded case circuit breakers.
What safety precautions are required before installing this MCCB?
Always de-energize the switchboard or control panel before installation. Verify that the system voltage and available fault current do not exceed the maximum ratings of 600Y/347VAC and the respective AIC limits.
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