| Newark | 31P1050 | 1 | | 1 | |
| Newark | 99M6032 | 1 | | 1 | |
| TME | BK1-S506-125-R | 1000 | | 1000 | 1000 @ $0.35 |
simsupply.com | ZO-G1909433 | 1 | 9 | 1 | 1 @ $29.11 |
specialtycontrolsystems.com | S506-125-R | 1 | 52 | 1 | 1 @ $0.81 |
| MRO Supply | 1373958 | 1 | | 1 | |
| Grainger | 2AAL8 | 1 | | 1 | |
Zoro | G1909433 | 1 | 14 | 1 | 1 @ $19.55 |
Raptor Supplies | AB8WUM | 1 | | 1 | 1 @ $44.48 |
| Waldom | Eaton Electronics BK1/S506-125-R | 60 | 1000 | 1 | 60 @ $0.89, 400 @ $0.75, 800 @ $0.70, 1000 @ $0.63 |
| Waldom | Eaton Electronics S506-125-R | 15 | 600 | 1 | 15 @ $3.59 |
| Dale-Electric | S506-125-R | 1 | | 1 | 1 @ $3.24 |
Platt.com | 0966776 | 1 | | 1 | 1 @ $0.99 |
| crescentelectric.com | 303566 | 1 | | 1 | 1 @ $6.83 |
Digi-Key | 1877155 | 1 | 985 | 1 | 1 @ $1.44, 5 @ $1.39, 10 @ $1.30, 50 @ $1.08, 100 @ $0.90, 250 @ $0.88, 500 @ $0.74, 1000 @ $0.65, 5000 @ $0.58 |
Walker Industrial | S506-125-R | 5 | 3 to 5 Days | 5 | 1 @ $2.96 |
Zoro | G806130823 | 16 | | 16 | 1 @ $0.60 |
| us.rs-online.com | 70149465 | 1 | 6 | 1 | 1 @ $5.30 |
| us.rs-online.com | 74057159 | 1000 | | 1000 | 1000 @ $0.65 |
| RS Online | 5371672 | 1 | | 1 | |
| Allied Electronics | 70149465 | 1 | | 1 | |
| RS Delivers | 537-1672 | 1 | 920 | 1 | 1 @ $1.17 |
| Digi-Key | 1878097 | 1 | | 1 | 100 @ $5.82 |
| Waldom | EATON ELECTRONICS BK1-S506-125-R | 1 | | 1 | 1 @ $0.33, 250 @ $0.32, 500 @ $0.31, 1000 @ $0.30, 5000 @ $0.29 |
| Waldom | EATON BK1/S506-125-R | 1 | | 1 | 1 @ $0.50, 250 @ $0.47, 500 @ $0.46, 1000 @ $0.45, 5000 @ $0.44 |
| Waldom | EATON S506-125-R | 1 | | 1 | 1 @ $3.96, 2 @ $3.77, 3 @ $3.68, 5 @ $3.56 |
| Waldom | EATON BK1-S506-125-R | 1 | | 1 | 1 @ $0.33, 250 @ $0.32, 500 @ $0.31, 1000 @ $0.30, 5000 @ $0.29 |
Radwell | S506-125-R | 5 | | 5 | 1 @ $5.00 |
| sustainablesupply.com | C1176998 | 1 | -2 | 1 | 1 @ $32.69 |
Mouser | 504-BK1-S506-125-R | 1 | 895 | 1 | 1 @ $1.09, 10 @ $1.03, 100 @ $0.70, 1000 @ $0.51, 10000 @ $0.48 |
TTI | S506-125-R | 1 | 5 | 1 | 10 @ $5.17, 100 @ $4.42, 1000 @ $3.93, 10000 @ $3.93 |
| AmazonSC | B003ATW35S | 1 | | 1 | |
AI Consolidated | S506-125-R-BUSSMANN | 1 | -2 | 1 | 1 @ $3.23 |
| Future Electronics | 7854094 | 1000 | | 1000 | 1000 @ $0.93, 2000 @ $0.66, 3000 @ $0.65 |
| Hotenda | H579129 | 1 | | 1 | |
| Hotenda | H602904 | 1 | | 1 | |