| Newark | 46F3283 | 10 | | 10 | 10 @ $11.72, 25 @ $10.32, 50 @ $9.39, 100 @ $8.87, 250 @ $8.69 |
| Newark | 26P4259 | 1 | | 1 | |
| Newark | 81AK1633 | 100 | | 100 | 100 @ $12.83, 250 @ $11.92, 500 @ $11.14 |
| MRO Supply | 2053750 | 1 | | 1 | |
 Galco | HTB-88I-BUSS | 10 | | 10 | 1 @ $8.04 |
 cbtcompany.com | BK/HTB-88I | 1 | | 1 | |
| Waldom | EATON ELECTRONICS BK/HTB-88I | 1 | | 1 | |
| Waldom | EATON ELECTRONICS HTB-88I | 1 | | 1 | |
 Galco | BK/HTB-88I-BUSS | 100 | | 100 | 1 @ $8.99 |
| crescentelectric.com | 531988 | 1 | | 1 | 1 @ $7.40 |
| us.rs-online.com | 74085796 | 10 | | 10 | 10 @ $8.10 |
 Platt.com | 0956020 | 1 | | 1 | 1 @ $18.01 |
| Platt.com | 0958164 | 1 | | 1 | 1 @ $10.48 |
| us.rs-online.com | 71929164 | 100 | | 100 | 100 @ $9.29, 200 @ $9.09, 500 @ $8.93 |
| Crescent Electric Supply Co | HTB-88I | 1 | | 1 | |
| Allied Electronics | 71929164 | 100 | | 100 | |
 turtle.com | BUS BK/HTB-88I | 1 | -2 | 1 | 1 @ $9.16 |
| turtle.com | BUS HTB-88I | 1 | -2 | 1 | 1 @ $7.63 |
| Digi-Key | 601712 | 100 | | 100 | 100 @ $9.18 |
| Waldom | EATON HTB-88I | 1 | | 1 | 1 @ $6.49, 3 @ $6.18, 5 @ $6.04, 10 @ $5.83 |
| Waldom | EATON BK/HTB-88I | 1 | | 1 | 1 @ $7.27, 25 @ $6.92, 50 @ $6.75, 100 @ $6.52 |
 AI Consolidated | HTB-88I-BUSSMANN | 1 | -2 | 1 | 1 @ $4.79 |
| Hotenda | H566870 | 1 | | 1 | |
 Onlinecomponents.com | HTB-88I | 1 | 91 | 1 | 1 @ $5.58, 25 @ $5.30, 100 @ $5.04, 500 @ $3.16, 1000 @ $2.33, 5000 @ $2.27, 10000 @ $2.18 |
| Onlinecomponents.com | BK/HTB-88I | 1 | | 1 | 1 @ $3.30, 2 @ $3.05, 26 @ $2.83, 101 @ $2.64, 201 @ $2.48, 501 @ $1.83, 1001 @ $1.78 |