The load limit switch can be installed onto a hoist at the rope's dead end or equalizer sheave. It can be designed for other installations with a power reel or remote control. The load limit device is activated from the deflection of the rope when eases the tension of the rope, which activates the limit device.working load limit in tonnes Working Load Limit under general use with 1570 grade wire and fibre core with ferrule-secured eyes. 8 28.7 0.55 0.41 0.27 1.11 0.96 0.78 0.55 0.55 0.48 0.39 0 .27 0.96 0.78 0.55 0.72 0.48Aug 27, 2019 · Safe Working Load is generally tabulated in the load chart of the crane. Sometimes, it is de-rated(decreased) due to defect in welding, bend in angle, bracing, etc., and condition of clutch, brake, etc. Modern cranes give a digital display of SWL, angle indicator, boom limit switch, and m for exceeding load.15.59 Identification. A nameplate or other permanent marking must be on a spreader bar or specialized below-the-hook lifting device and display the. (a) manufacturer's name and address, (b) serial number, (c) weight of the device, if more than 45 kg (100 lbs), and. (d) working load limit. 15.60 Part of lifted load.