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  • Posistop MB Series Motor Brakes
  • Posistop MB Series Motor Brakes - 2
  • Posistop MB Series Motor Brakes - 3
  • Posistop MB Series Motor Brakes - 4
The Posistop® Motor Brake is available as a motor mounted unit. This Motor Brake is designed to fit brakeless brake motor frame sizes 56 to 449T. It also comes complete with the motor. (See ABM - Assembled Brake Motor) The Posistop® Motor Brake is designed with the same proven oil shear technology which includes the patented fluid recirculation system used in the Posistop® Clutch/Brake Units for smooth precise stops and long service life.The rugged cast iron and aluminum, totally enclosed, housings provide high heat dissipation and protects the multiple friction surfaces from hostile environments.
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Item #

Item Name

Static Brake Torque

Dynamic Torque

Maximum Kinetic Energy (KE) per Engagement with Full Stack

Piston Volume

Quantity
N/A MB-056 Posistop® Motor Brake N/A 6 lb·in9 lb·in12 lb·in18 lb·in N/A 5.2 lb·ft7.8 lb·ft10.4 lb·ft15.6 lb·ft N/A 4650 ft·lb N/A 0.5 in³
N/A MB-180 Posistop® Motor Brake N/A 20 lb·in30 lb·in45 lb·in60 lb·in90 lb·in N/A 17 lb·ft26 lb·ft39 lb·ft52 lb·ft78 lb·ft N/A 6425 ft·lb N/A 3 in³
N/A MB-210 Posistop® Motor Brake N/A 20 lb·in30 lb·in45 lb·in60 lb·in90 lb·in N/A 17 lb·ft26 lb·ft39 lb·ft52 lb·ft78 lb·ft N/A 6425 ft·lb N/A 3 in³
N/A MB-210L Posistop® Motor Brake N/A 20 lb·in30 lb·in45 lb·in60 lb·in90 lb·in N/A 17 lb·ft26 lb·ft39 lb·ft52 lb·ft78 lb·ft N/A 6425 ft·lb N/A 3 in³
N/A MB-250 Posistop® Motor Brake N/A 75 lb·in150 lb·in225 lb·in300 lb·in N/A 65 lb·ft130 lb·ft194 lb·ft259 lb·ft N/A 18,500 ft·lb N/A 5 in³
N/A MB-280 Posistop® Motor Brake N/A 75 lb·in150 lb·in225 lb·in300 lb·in N/A 65 lb·ft130 lb·ft194 lb·ft259 lb·ft N/A 18,500 ft·lb N/A 5 in³
N/A MB-320 Posistop® Motor Brake N/A 120 lb·in150 lb·in200 lb·in300 lb·in450 lb·in N/A 104 lb·ft130 lb·ft173 lb·ft259 lb·ft388 lb·ft N/A 18,500 ft·lb N/A 6 in³
N/A MB-440 Posistop® Motor Brake N/A 990 lb·in1340 lb·in1690 lb·in2030 lb·in N/A 842 lb·ft1139 lb·ft1437 lb·ft1726 lb·ft N/A Consult Factory N/A 47.4 in³
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