| Allied Electronics | 70328258 | 1 | | 1 | |
 Digi-Key | 480-6691-ND | 5 | | 5 | 5 @ $124.47 |
 Newark | 88W1100 | 1 | 31 | 1 | 1 @ $396.70, 5 @ $389.55, 10 @ $382.41 |
 Onlinecomponents.com | SZL-WL-E-N | 1 | 32 | 1 | 1 @ $114.34, 5 @ $108.62, 10 @ $103.19, 25 @ $93.36 |
| Galco | SZL-WL-E-N | 1 | | 1 | |
 swatee.com | SZL-WL-E-N | 1 | 6 | 1 | 1 @ $258.51 |
 Verical | SZL-WL-E-N | 1 | 15 | 1 | 1 @ $113.83, 10 @ $113.83, 100 @ $113.83, 1000 @ $113.83, 10000 @ $113.83 |
| Mouser | 785-SZL-WL-E-N | 1 | 4 | 1 | 1 @ $141.66, 10 @ $122.76, 100 @ $104.46, 1000 @ $105.91, 10000 @ $105.91 |
 kempstoncontrols.co.uk | SZL-WL-E-N | 1 | | 1 | 1 @ $25996.27 |
 Radwell | SZL-WL-E-N | 1 | 1 | 1 | |
| standardelectricsupply.com | 2251079 | 1 | | 1 | 1 @ $20427.50 |
| Global Industrial | WBB2855886 | 1 | | 1 | |
 Zoro | G502169493 | 1 | | 1 | 1 @ $94.75 |
 midwestapplianceparts.com | SZL-WL-E-N-HM-P | 1 | | 1 | 1 @ $217.66 |
| Zoro | G205806046 | 1 | | 1 | 1 @ $216.00 |
| Digi-Key | 5864197 | 1 | 48 | 1 | 1 @ $366.34, 10 @ $341.92, 25 @ $324.82 |
 Galco | SZL-WL-E-N-MCRO | 1 | | 1 | 1 @ $0.00 |
| us.rs-online.com | 70328258 | 1 | 41 | 1 | 1 @ $470.06, 5 @ $427.80, 10 @ $413.64 |
 williamsautomation.com | SZL-WL-E-N | 1 | 5 | 1 | 1 @ $300.00 |
| alliedcontrols.com | SZL-WL-E-N | 1 | Factory Order | 1 | 1 @ $257.64 |