| Digi-Key | 480-7013-ND | 1 | | 20 | 1 @ $9.60, 10 @ $9.18, 25 @ $8.35, 50 @ $7.93, 100 @ $7.72, 250 @ $6.89, 500 @ $6.47, 1000 @ $5.72 |
 Allied Electronics | E1209735 | 20 | | 20 | 20 @ $1.16 |
| Galco | SZR-LY4-1-AC220V | 1 | | 1 | |
 Newark | 74AH1338 | 1 | 183 | 1 | 1 @ $41.80, 5 @ $41.11, 10 @ $40.42, 25 @ $38.32, 50 @ $36.20, 100 @ $34.64 |
 Gopher Electronics | SZR-LY4-1-AC220V | | | | 20 @ $1.25, 40 @ $1.15, 100 @ $1.12, 260 @ $1.06 |
| Sager Electronics | SZR-LY4-1-AC220V | 20 | | | 20 @ $1.14, 140 @ $1.06, 380 @ $0.99, 760 @ $0.94 |
| Digi-Key | SZR-LY4-1-AC220V-ND | 20 | | | 20 @ $1.78 |
| Distrelec | 11036194 | | -2 | | 1 @ $16.42 |
| Digi-Key | 3537742 | 1 | 716 | 1 | 1 @ $10.63, 10 @ $9.66, 25 @ $9.42, 50 @ $8.69, 100 @ $8.21, 250 @ $7.49, 500 @ $7.00, 1000 @ $6.62 |
 kempstoncontrols.co.uk | SZR-LY4-1-AC220V | 1 | | 1 | 1 @ $0.00 |
 Radwell | SZR-LY4-1-AC220V | 1 | | 1 | |
| Newark | 86C1132 | 1 | | 1 | |