Siemens NEG3B100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Quantity
Siemens NEG3B100 - 100A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering robust current-limiting capabilities, this 100A device handles demanding commercial and industrial electrical systems. The breaker mounts into Siemens VL series enclosures, switchboards, and compatible panelboards, requiring separate lug kits for wire termination. As facilities upgrade, this unit serves as a precise replacement before transitioning to the newer 3VA5110-5ED31-0AA0 generation, ensuring seamless integration with existing hardware.Specifications
| Brand | Siemens |
|---|---|
| Series | NEG |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 30kA @ 250VDC, 30kA @ 500VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens VL Series Enclosures, Panelboards, Switchboards |
| 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, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
6 answersWhat enclosures and panels are compatible with the NEG3B100?
This EG frame breaker is designed for use in Siemens VL Series enclosures, panelboards, and switchboards. It is a unit-mount (bolt-on) breaker that fits these specific Siemens VL distribution systems.
Can the Siemens NEG3B100 be used in DC applications?
Yes, this thermal-magnetic breaker is rated for DC applications up to 500V DC, providing a 30kA interrupting capacity at both 250V DC and 500V DC.
Are the trip settings on the NEG3B100 adjustable?
The thermal (long-time) trip is fixed at 100A, but the magnetic (instantaneous) trip function is adjustable to accommodate different inrush currents.
What frame size is the NEG3B100?
It is an EG frame breaker from the Siemens VL Series, which has a maximum capacity of 125A. This specific model is configured with a 100A trip unit.
Does the NEG3B100 come with lugs?
No, the NEG3B100 is typically supplied without lugs. You will need to purchase the appropriate Siemens VL EG frame lug kit separately based on your wire size and material.
What does the "B" in the NEG3B100 catalog number indicate?
The "B" indicates that the breaker is equipped with a Model 525 thermal-magnetic trip unit.
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