ATO waterproof limit switches apply to AC-15, 5A/250VAC, 3A/125VAC. Its structures are: fork lever, adjustable rod lever, coil spring, top plunger, roller plunger, and adjustable roller lever.
Buy online: https://www.ato.com/limit-switch
They are reasonably priced, economical and durable, and have strong load capacity. They are high-quality components for automation equipment.