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 VLSH3S7RD or VLSH3S7BD. It can also be used with a mechanical coupling system VLS8M2. This shaft extension is 0.28 inches by 0.28 inches and 20.79 inches long. The shaft extension weighs 1.10 lbs. The shaft extension is cULus Listed and meets IEC 60947-3 requirements.