POWER LIMIT SWITCH, 4p, snap action. range of product: XR and XF – product or component type: overtravel limit switches – device short name: XF9 – electrical circuit type: power circuit – product specific application: safety of hoisting equipment – [Ie] rated operational current: , Ie = 130 A) 2-pole scheme, AC-3, Ie = 65 A) 3-pole scheme.