NB-T SeriesName: NB-T Series NB-T Series 1KG=2.2LB 1INCH=25.4MM Model NB-T1/2 NB-T1 NB-T1 1/2 NB-T2 NB-T3 NB-T5 NB-T10 NB-T20 Capacity tons 0.5 1 1.5 2 3 5 10 20 Standard lift m 2.5 2.5 2.5 2.5 3 3 3 3 Running test load t 0.75 1.5 2.25 3 4.5 6.25 12.5 25 Headroom(drawn closeup)Hmin mm 240 270 347 380 470 600 700 1000 Effort required to life max. load N 221 304 343 314 343 381 392 392 No. of coulums ofload chain 1 1 1 2 2 2 4 8 Load chain dia. mm 6 6 8 6 8 10 10 10 Dimensions mm A 120 142 178 142 178 210 358 580 B 108 122 139 122 139 162 162 189 C 24 28 34 34 38 48 64 82 D 123 145 181 145 181 213 213 213 Net Weight kg 8 10 16 14 24 36 68 155 Gross weight kg 10 13 20 17 28 45 83 193 Packing measurements(LxWxk) cm 28x21 x17 30x24 x18 34x29 x20 33x28 x19 38x33 x20 45x39 x24 55x51 x29 70x46 x75 Extra weight per meter of extra lift kg 1.7 1.7 2.3 2.5 3.7 5.3 9.7 19.4 Remarks: inaddition the standard lift we accept orders to 12m lift.