These TeSys VLS disconnect switches are for integration into control systems in applications like material handling, HVAC, pumping, solar energy, mining and many more. This family of disconnect switches has switches ranging from 16A to 125A. The 16A, 25A, 32A, 40A and 63A disconnect switches are UL508 motor disconnect switches rated. The 30A, 63A, 80A, 100A and 125A disconnect switches are UL98 non fusible disconnect switch rated. Shaft extension is for rear-mounting handles VLSH1S5R, VLSH2S5R, VLSH2H5R, VLSH2H5RD, VLSH1S5B, VLSH2S5B, VLSH2H5B, VLSH2H5BD or VLSH2S5BC. It can also be used with mechanical interlock VLS8C1 or VLS8C2 or mechanical coupling system VLS8M1. This shaft extension is 0.20 inches by 0.20 inches and 11.81 inches long. The shaft extension weighs 0.15 lbs. The shaft extension is cULus Listed and meets IEC 60947-3 requirements.