Telecom Power System's SMR SHELF features a rectifier set at A48/15(A24/30), an input voltage of 110V or 220Vac (1P2W+G), a super size voltage of 90~275V, an input frequency of 45~63Hz, an output voltage of 48V(44~58V) and an output current that ranges from 0~60A (0~120). Its input switch is 50A, load switch at 100A(50a x2) and the battery Switch is 100A(50ax2). This product has a low pressure cut off the LVDS of 100A. Its dimension is 88 × 484W × 350mm and has an audible noise of 55dBA. It has an SMR Type Switching Charger model A48/15(A24/30).