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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.
Unit of Measure

Specifications

Static Brake Torque

 N/A 75 lb·in150 lb·in225 lb·in300 lb·in

Dynamic Torque

 N/A 65 lb·ft130 lb·ft194 lb·ft259 lb·ft

Thermal Rating

 N/A 50 HP Sec/Min

Maximum Kinetic Energy (KE) per Engagement with Full Stack

 N/A 18,500 ft·lb

Piston Volume

 N/A 5 in³

Inertia WK2

 N/A 0.215 lb·ft²

Dimensions A

 N/A 10.00 in

Dimensions B

 N/A 10.88 in

Minimum Dimensions C

 N/A 2.00 in

Maximum Dimensions C

 N/A 4.13 in

Dimensions D

 N/A 0.53 in

Dimensions E

 N/A 0.19 in

Dimensions F

 N/A 5.38 in

Dimensions G

 N/A 6.25 in

Dimensions H

 N/A NPT 1/4 in

Dimensions U

 N/A 1.125 in1.375 in1.625 in1.875 in

Dimensions AJ

 N/A 7.25 in

Dimensions AK

 N/A 8.500 in

Fluid Capacity

 N/A 2 Qt.

Weight

 N/A 100 ft·lb

Typical Applications

 N/A Ball Screw Feed & Traverse Drives Conveyors

Note

Note

 N/A Consult Factory for non-standard bore sizes and thru-shaft configurations.
Maximum Speed - 1800 RPM, except Sizes 180 and 210 which is 3600 RPM in horizantal and vertical brake down position.