MS/AT SERIES
FULL-HYDRAULIC HAMMER
OVERVIEW
Fully hydraulic operational mechanism of MS/AT breakers ensure maximum and constant blow energy at every hitting and protect carrier pumps from hydraulic pressure spikes.
AT breakers, the premium products of MSB, are designed for a longer life based on their unique structure.
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SPECIFICATIONS
METRIC
| Item | Unit | MS 200 | MS 220 | MS 250 | MS 255 | MS 300 | MS 400 | MS 460 | MS 520 | MS 550 | MS 600 | MS 700 | MS 30AT | MS 35AT | MS 45AT | MS 55AT | MS 75AT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min Carrier Weight | t | 2 | 3 | 3 | 3 | 5 | 7 | 10 | 14 | 18 | 22 | 25 | 28 | 30 | 40 | 50 | 70 |
| Max Carrier Weight | t | 6 | 7 | 8 | 8 | 10 | 12 | 16 | 18 | 25 | 28 | 32 | 32 | 45 | 55 | 75 | 100 |
| Working Weight (Non-silent Type) | kg | 285 | 310 | 410 | 355 (Backhoe) | 470 | 670 | 830 | |||||||||
| Working Weight (Silent Type) | kg | 325 | 430 | 490 | 665 | 890 | 1200 | 1500 | 1734 | 2250 | 2440 | 2950 | 3750 | 5500 | 7500 | ||
| Relief Pressure | bar | 160 | 160 | 160 | 160 | 160 | 160 | 160 | 170 | 170 | 170 | 180 | 180 | 180 | 180 | 180 | 190 |
| Max Operating Pressure | bar | 130 | 130 | 130 | 130 | 130 | 140 | 140 | 140 | 140 | 140 | 150 | 150 | 150 | 150 | 150 | 160 |
| Min Operating Pressure | bar | 110 | 110 | 110 | 110 | 110 | 120 | 120 | 120 | 120 | 120 | 130 | 130 | 130 | 130 | 130 | 140 |
| Max Oil Flow | l/min | 50 | 90 | 85 | 85 | 85 | 90 | 100 | 100 | 150 | 150 | 200 | 200 | 220 | 240 | 305 | 400 |
| Min Oil Flow | l/min | 40 | 40 | 60 | 60 | 60 | 70 | 70 | 80 | 110 | 130 | 170 | 170 | 190 | 210 | 250 | 300 |
| Max Impact Rate | bpm | 1000 | 1200 | 1000 | 1000 | 900 | 700 | 650 | 500 | 500 | 500 | 500 | 450 | 450 | 400 | 400 | 400 |
| Tool Diameter | mm | 63 | 70 | 75 | 75 | 85 | 95 | 100 | 110 | 120 | 130 | 140 | 150 | 165 | 175 | 180 | 205 |
IMPERIAL
| Item | Unit | MS 200 | MS 220 | MS 250 | MS 255 | MS 300 | MS 400 | MS 460 | MS 520 | MS 550 | MS 600 | MS 700 | MS 30AT | MS 35AT | MS 45AT | MS 55AT | MS 75AT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min Carrier Weight | lb | 4400 | 6600 | 6600 | 6600 | 11000 | 15400 | 22000 | 30800 | 39600 | 48500 | 55100 | 61700 | 66100 | 88100 | 110200 | 154300 |
| Max Carrier Weight | lb | 13200 | 15400 | 17600 | 17600 | 22000 | 26400 | 35200 | 39600 | 55100 | 61700 | 70500 | 70500 | 99200 | 121200 | 165300 | 220400 |
| Working Weight (Non-silent Type) | lb | 630 | 685 | 905 | 785 (Backhoe) | 1040 | 1480 | 1830 | |||||||||
| Working Weight (Silent Type) | lb | 720 | 950 | 1080 | 1465 | 1965 | 2645 | 3306 | 3822 | 4960 | 5380 | 3504 | 267 | 12125 | 16535 | ||
| Relief Pressure | psi | 2320 | 2320 | 2320 | 2320 | 2320 | 2320 | 2320 | 2465 | 2465 | 2465 | 2610 | 2610 | 2610 | 2610 | 2610 | 2756 |
| Max Operating Pressure | psi | 1885 | 1885 | 1885 | 1885 | 1885 | 2030 | 2030 | 2030 | 2030 | 2030 | 2175 | 2175 | 2175 | 2175 | 2175 | 2320 |
| Min Operating Pressure | psi | 1595 | 1595 | 1595 | 1595 | 1595 | 1740 | 1740 | 1740 | 1740 | 1740 | 1885 | 1885 | 1885 | 1885 | 1885 | 2030 |
| Max Oil Flow | g/min | 13 | 24 | 23 | 23 | 23 | 24 | 26 | 26 | 39 | 39 | 52 | 52 | 58 | 63 | 80 | 105 |
| Min Oil Flow | g/min | 10 | 10 | 15 | 15 | 15 | 18 | 18 | 21 | 29 | 34 | 44 | 44 | 50 | 55 | 66 | 79 |
| Max Impact Rate | bpm | 1000 | 1200 | 1000 | 1000 | 900 | 700 | 650 | 500 | 500 | 500 | 500 | 450 | 450 | 400 | 400 | 400 |
| Tool Diameter | in | 2.48 | 2.75 | 2.95 | 2.95 | 3.34 | 3.74 | 3.93 | 4.33 | 4.72 | 5.11 | 5.51 | 5.91 | 6.5 | 6.89 | 7.09 | 8.07 |
