Warner Electric PB-825 Normal Duty

  • PB Series
  • Voltage: 6/24/90 VDC
  • Static Torque: 125 lb. ft.
  • Max RPM: 4,000 rpm
  • Shaft Size: .500 – 1.625

The PB Series brakes consist of a magnet, armature, and mounting hub in a very simple and extremely compact design.


Model NamePB Series PB-825 Normal Duty
FunctionPrimary Brake
Max. Rated Torque125 lb.ft
Shaft Sizes.500 – 1.625
Max. RPM3,600 rpm
Standard Voltage6, 24, 90 DC
Outside Diameter8.75 Inches
Overall Length3.5 Inches
Manufacturer DrawingI-25566


Custom design brakes and clutches are user-assembled from standard components for optimum performance in the smallest possible package size.

  • Easily adaptable to any mounting requirement
  • Low initial cost
  • Wide range of models and options


pdf icon 1
CatalogWarner Electric Basic Design Clutches Brakes Catalog
Users Manual / Installation InstructionsWarner Electric PB-825 Users Manual / Installation Instructions
Quick InformationWarner Electric PB-825 HD Quick Information


(Please provide the following with your quote request)

1. Specify Bore Size for Item 2.
2. Specify Voltage for Item 5.
3. Specify Inside or Outside Mounted for Item 5.
Warner Electric PB 825 Quick Info

4. See Controls Section.

Warner MB Series Controls


PB-825 Normal Duty Parts List
ItemDescriptionPart NumberQty.
1/2″ to 1-5/8″ Bore180-0131 to 180-0149
2Armature Hub540-03941
4Autogap Accessory5201-101-0083
5AMounting Accessory – I.M.5321-101-0011
5BMounting Accessory – O.M.5321-101-0021
6AMagnet – Inside Mounted1
6 Volt5311-631-002
24 Volt5311-631-003
90 Volt5311-631-004
90 Volt LK Facing5311-631-011
6A-1Terminal Accessory5311-101-0011
6BMagnet, Outside Mounted1
6 Volt5311-631-007
24 Volt5311-631-009
90 Volt5311-631-008
90 Volt LK Facing5311-631-012
6B-1Terminal Accessory5311-101-0011
7Conduit Box5200-101-0111