| Graybar | 94048020 | 130.1328 | 1 | In Stock | | Square D (Schneider Electric) | | 130.1328 @ 1 |
  | gordonelectricsupply.com | QO312L125G | 153.59 | 1 | In Stock | | SQUARE D | | 153.59 @ 1 |
| standardelectricsupply.com | 36998 | 155.76 | 1 | In Stock | | Square D | | 155.76 @ 1 |
| AmazonTP | B000E2C53Y | 156.1 | 1 | In Stock | 2 | Square D | | 156.1 @ 1 |
  | superbreakers.com | QO312L125G | 164.36 | 1 | In Stock | | Square D | | 164.36 @ 1 |
  | sustainablesupply.com | C2682146 | 184.92 | 1 | In Stock | | Square D | 11.05 | 184.92 @ 1 |
| steinerelectric.com | 32892 | 189.35 | 1 | In Stock | | Square D? | | 189.35 @ 1 |
  | Zoro | G0639441 | 189.99 | 1 | 231 | | Square D | 11.05 | 189.99 @ 1 |
  | simsupply.com | ZO-G0639441 | 224.94 | 1 | 97 | | Square D | | 224.94 @ 1 |
  | Radwell | QO312L125G | 240.0 | 1 | In Stock | | SCHNEIDER ELECTRIC SQUARE D | | 240.0 @ 1 |
  | industrialrefrigerationparts.com | QO312L125G | 256.76 | 1 | In Stock | | Square D | 2.0 | 256.76 @ 1 |
  | Galco | QO312L125G-SQD | 274.61 | 1 | In Stock | | Square D | | 274.61 @ 1 |
  | midwestapplianceparts.com | QO312L125G-SQ-P | 302.0 | 1 | In Stock | | Squared | | 302.0 @ 1 |
  | mayerelectric.com | SQDQO312L125G | 319.81 | 1 | 4 | | SQUARE D | | 319.81 @ 1 |
| us.rs-online.com | 72074426 | 353.07 | 1 | 1 | | Square D | | 353.07 @ 1 |
| Newark | 35C1120 | 364.92 | 1 | In Stock | | SQUARE D BY SCHNEIDER ELECTRIC | | 364.92 @ 1 |
| simplybreakers.com | QO312L125G | 366.49 | 1 | In Stock | | Schneider Electric | | 366.49 @ 1 |
  | crescentelectric.com | 160808 | 389.53 | 1 | 2 | | Square D | | 389.53 @ 1 |
| Grainger | 1D400 | 415.0 | 1 | In Stock | | SQUARE D | | 415.0 @ 1 |
  | Raptor Supplies | AA9GKF | 582.094656 | 1 | In Stock | | SQUARE D | | 582.094656 @ 1 |