10-0744 Zoeller Variable Level Control Switch 115/230V with 20' Cord Float is constructed of durable PVC/polypropylene plastic encasing variable level switch.  Standard mechanical and mercury variable level control switches are rated for 115/230V, 5 Amps. Low current mechanical variable level control switches are rated for 30V, 0.1 Amps.  18/2 Type SJOWA CPE Cord-Standard. Temperature rating of 140° F (60° C). Approximately 1/2" liquid level differential in switching action. Variable Level Control Switch is normally open when hanging vertically above liquid level. Switch closes when it reaches a few degrees above the horizontal position.