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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 20 lb·in30 lb·in45 lb·in60 lb·in90 lb·in

Dynamic Torque

 N/A 17 lb·ft26 lb·ft39 lb·ft52 lb·ft78 lb·ft

Thermal Rating

 N/A 25 HP Sec/Min

Maximum Kinetic Energy (KE) per Engagement with Full Stack

 N/A 6425 ft·lb

Piston Volume

 N/A 3 in³

Inertia WK2

 N/A 0.034 lb·ft²

Dimensions A

 N/A 6.13 in

Dimensions B

 N/A 8.81 in

Minimum Dimensions C

 N/A 1.75 in

Maximum Dimensions C

 N/A 2.75 in

Dimensions D

 N/A 0.41 in

Dimensions E

 N/A 0.25 in

Dimensions F

 N/A 3.38 in

Dimensions G

 N/A 5.75 in

Dimensions H

 N/A NPT 1/8 in

Dimensions U

 N/A 0.875 in1.125 in

Dimensions AJ

 N/A 5.88 in

Dimensions AK

 N/A 4.500 in

Fluid Capacity

 N/A 1 Qt.

Weight

 N/A 40 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.