Siemens NEB1B020 1-Pole Circuit Breaker
Pickup available at 2201 Midway Rd ste 314
Usually ready in 2 hours
The Siemens NEB1B020 is a 20 Amp, 1-pole Bolt-On molded case circuit breaker from the NEB family, engineered to deliver reliable overcurrent and short-circuit protection for commercial and industrial electrical systems. This thermal-magnetic breaker features a compact, space-saving single-pole profile that integrates seamlessly into Siemens P1, P2, P3, P4, and P5 panelboards. Built for heavy-duty applications, its secure bolt-on mounting ensures a highly stable, vibration-resistant connection to the bus bar, while coming factory-equipped with load-side lugs for a dependable installation.
Specifications:
| Brand | Siemens |
| Series | NEB (EB Frame) |
| Amperage | 20A |
| Voltage | 277V AC (Also rated for 120V AC / 347V AC / 125V DC) |
| Poles | 1 |
| Phase | 1 |
| Interrupting Rating | 35 kAIC @ 277V AC / 100 kAIC @ 120V AC / 22 kAIC @ 347V AC |
| Frame Type | EB Frame (Type NEB) |
| Protection | Thermal-Magnetic (Fixed/Long-Time & Instantaneous) |
| Terminal | Bolt-On (Line Side) / Load-Side Lug |
| Wire Size | AWG #14 to #6 Copper, AWG #12 to #6 Aluminum |
Frequently asked questions
What is the return policy?
Returns require an RGA requested within 60 days of the invoice date and are subject to a 25% restocking fee plus applicable freight charges. Special orders, switchgear projects, and emergency/off-hour orders are non-returnable or subject to a 50% restocking fee. We deliver products to meet NEC standards; however, installation remains the responsibility of the electrician, and inspector approval cannot be guaranteed. No refunds or credits will be issued after 60 days, with no exceptions.
Are any purchases final sale?
We are unable to accept returns on certain items. These will be carefully marked before purchase.
When will I get my order?
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
How much does shipping cost?
Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.