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Siemens NEB2B020B Molded Case Circuit Breaker
- 20A
- 2 Pole
- Bolt-On
Siemens
NEB2B020B
Molded Case Circuit Breaker
Brand
Siemens
SKU
NEB2B020B
Quantity
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Siemens NEB2B020B - 20A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial use, this 2-pole, 20A Siemens NEB2B020B molded case circuit breaker ensures dependable power distribution. It utilizes a fixed thermal-magnetic trip unit to safeguard against overloads and short circuits. The breaker installs into Siemens P1, P2, and P3 panelboards via a secure bolt-on connection. For future upgrades, it crosses over to the 3VA4120-5ED24-0AA0 substitute. It features a 40C ambient calibration and an impressive 85kAIC rating at 240VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | NEB2B020B |
| Series | NEB |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 35kA @ 250VDC |
| Frame Type | NEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs (TA1EG10) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, 40C Ambient Calibration |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the NEB2B020B?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards. It features a bolt-on connection and requires the appropriate branch strap mounting kit, such as the BBKEB32 for P2 and P3 panels, for installation.
What is the difference between the Siemens NEB2B020B and the HEB2B020B?
The primary difference is the interrupting rating. The NEB2B020B is rated for 35kAIC at 480VAC, while the HEB2B020B is a high-interrupting version rated for 65kAIC at 480VAC. Both share the same physical footprint and panelboard compatibility.
Can the NEB2B020B be used in DC electrical systems?
Yes, this thermal-magnetic breaker is rated for use in DC applications up to 250VDC, providing an interrupting capacity of 35kAIC at 250VDC.
What size wire does the NEB2B020B accept?
The factory-installed lugs on this breaker accept 14 AWG to 1/0 AWG copper or aluminum conductors. Always verify specific torque requirements on the breaker label before terminating.
Are the trip settings adjustable on the NEB2B020B?
No, this breaker features fixed thermal and fixed magnetic trip settings. It provides standard long-time and instantaneous (LI) trip functions for overload and short-circuit protection.
Is the NEB2B020B suitable for HVAC and lighting loads?
Yes, this breaker is HACR rated for use with heating, air conditioning, and refrigeration equipment. It is also SWD (switching duty) and HID (high-intensity discharge) rated, making it suitable for controlling fluorescent and high-intensity lighting loads.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.
Total 5 star reviews: 3 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
3 reviews
- JLJeremy L.ReviewingSiemens NEB3B125B - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/17/18The right product with great
The right product with great packaging and shipping
- JLJeremy L.ReviewingSiemens NEB3B030B - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/26/17Great breaker. Best price and
Great breaker. Best price and fast service
- DBDan B.ReviewingSiemens NEB3B035B - 35A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/26/17Siemens NEB
Customer is happy.