  | invertersupply.com | 195430 | 67.07 | 1 | In Stock | | Square D | | 67.07 @ 1 |
  | industrialrefrigerationparts.com | DU221RB | 79.0 | 1 | In Stock | | Square D | 2.0 | 79.0 @ 1 |
| steinerelectric.com | 33527 | 81.16 | 1 | In Stock | | Square D? | | 81.16 @ 1 |
| standardelectricsupply.com | 2187722 | 81.32 | 1 | In Stock | | Square D | | 81.32 @ 1 |
  | Newark | 15B7166 | 81.33 | 1 | In Stock | | SQUARE D BY SCHNEIDER ELECTRIC | | 81.33 @ 1 |
  | mayerelectric.com | SQDDU221RB | 83.7 | 1 | In Stock | | SQUARE D | 16.94 | 83.7 @ 1 |
| Graybar | 88239421 | 96.376 | 1 | 22 | | Square D (Schneider Electric) | | 96.376 @ 1 |
  | midwestapplianceparts.com | DU221RB-SQ-P | 99.18 | 1 | In Stock | | Squared | | 99.18 @ 1 |
  | Zoro | G1447607 | 103.99 | 1 | 93 | | Square D | 4.3 | 103.99 @ 1 |
  | Allfuses | DU221RB | 106.74 | 1 | 79 | | Square D | | 106.74 @ 1 |
  | blackhawksupply.com | DU221RB | 114.5 | 1 | In Stock | | Square D | | 114.5 @ 1 |
  | Raptor Supplies | AG9FZM | 156.2613975 | 1 | In Stock | | SQUARE D | | 156.2613975 @ 1 |
| us.rs-online.com | 70921089 | 174.97 | 1 | In Stock | | Square D | | 174.97 @ 1 |
  | United Electric | 42385 | 175.23 | 1 | 98 | | SQUARE D | | 175.23 @ 1 |
  | National Supply Network | 69524973 | 176.33 | 1 | In Stock | | Square D | | 176.33 @ 1 |
  | crescentelectric.com | 69718 | 229.46 | 1 | 136 | | Square D | | 229.46 @ 1 |