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. This fourth pole adder can be added to a VLS3P125R2 door mount switch. This fourth pole adder for DIN rail mounted devices can be mounted on the right or left hand side. This simultaneous closing adder pole has one normally open contact The operational voltage of this fourth pole adder module is 600 Vac 50/60 Hz. This fourth pole adder module has a 100 A current rating. Fourth pole adder pole is 3.94 inches tall, 0.91 inches wide and 1.73 inches deep. It weighs 0.24 lbs. This fourth pole adder block is cULus Listed and meets IEC 60947-3 requirements.