Warner Electric PB-170

  • PB Series
  • Voltage: 6/24/90 VDC
  • Static Torque: 15 lb.in.
  • Max RPM: 10,000 rpm
  • Shaft Size: .250 – .375

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


Model NamePB Series PB-170
FunctionPrimary Brake
Shaft Size.250 – .375
Max. Rated Torque15 Lb. in
Max. RPM10,000 rpm
Standard Voltage6, 24, 90 DC
Outside Diameter1.75 Inches
Overall Length1.5 Inch
Manufacturer DrawingI-25753


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-170 Users Manual / Installation Instructions
Quick InformationWarner Electric PB-170 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 3.
4. See Controls Section

Warner Electric PB 120 Quick Info
Warner MB Series Controls


PB-170 Parts List
ItemDescriptionPart NumberQty.
1AArmature and Hub
1A-1Armature Hub1
1/4″ Bore5102-541-002
5/16″ Bore5102-541-003
3/8″ Bore5102-541-004
1A-3Release Spring808-00191
1BAntibacklash Armature1
1/4″ Bore5623-111-008
5/16″ Bore5623-111-009
3/8″ Bore5623-111-010
2Mounting Accessory5102-101-0011
6 Volt5375-631-003
24 Volt5375-631-005
90 Volt5375-631-007