Product Description
- Direct replacement for A1B Circuit Breakers
- 2 Pole
- Bolt-On
- 100 Amp
- 120V Shunt
- Genuine Square D
- Fits in NQO Panelboard
- Status: Obsolete
- Re-certified
Warranty Information
Breaker Outlet inspects all of our products prior fulfilling your order. New Q1B21001021's come with a 1 year warranty. All Re-Certified Q1B21001021's come with a 2 year warranty.Product Videos
Custom Field
Picture Represents all amperages