Warner Electric PB-400 Flange Mounted

  • PB Series
  • Voltage: 6/24/90 VDC
  • Static Torque: 270 lb.in.
  • Max RPM: 4,500 rpm

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


Model NamePB Series PB-400
FunctionPrimary Brake
Max. Rated Torque270 Lb. in
Max. RPM4.500 rpm
Standard Voltage6, 24, 90 DC
Outside Diameter4.25 Inches
Overall Length2.25 Inches
Manufacturer DrawingI-25694


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-400 Users Manual / Installation Instructions
Quick InformationWarner Electric PB-400 Quick Information


(Please provide the following with your quote request)

1. Specify Type of Armature Desired.
2. Specify Bore Size for Item 1A-1 or 1B.
3. Specify Voltage for Item 2.
4. See Controls Section.Warner Electric PB 400 Quick Info

Warner MB Series Controls


PB-400 Flange Mounted Parts List
ItemDescriptionPart NumberQty.
1AArmature and Hub
1A-1Armature Hub1
1/2″ Bore5104-541-002
5/8″ Bore5104-541-004
3/4″ Bore5104-541-006
7/8″ Bore5104-541-007
1A-3Release Spring5104-101-0031
1BAntibacklash Armature1
1/2″ Bore5367-111-003
5/8″ Bore5367-111-005
3/4″ Bore5367-111-007
7/8″ Bore5367-111-008
6 Volt5115-631-002
24 Volt5115-631-003
90 Volt5115-631-004
2-1Terminal Accessory5103-101-0021
3Conduit Box5200-101-0101
4Mounting Accessory5104-101-0021