Warner Electric SF-1525 Flange Mounted

  • SF Series
  • Voltage: 6/24/90 VDC
  • Static Torque: 700 lb.ft.
  • Max RPM: 2,000 rpm
  • Shaft Size: .937 – 3.000

The SF design eliminates collector rings and brush-holder. Ideal for adverse environmental conditions. Mounting tolerances are generally more critical than the PC design.


Model NameSF-1525 Flange Mounted
FunctionStationary Field Clutch
Shaft Size.937 – 3.000
Static Torque700 lb. ft.
Max. RPM2,000 rpm
Standard VoltageDC 6, 24, 90
Outside Diameter12.75 Inches
Overall Length3.50 Inches
Manufacturer DrawingI-25625


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 SF-1525 FM Users Manual / Installation Instructions
Quick InformationWarner Electric SF-1525 FM Duty Quick Info


(Please provide the following with your quote request)

1. Specify Bore Size for Item 5.
2. Specify Voltage for Item 7A or 7B.
3. Specify Inside Mounted for Items 7A and 8A or Outside Mounted for Items 7B and 8B.
4. See Controls Section.


SF-1525 Clutch per I-25625 – 90 Volt, 2” Bore, Inside Mounted.

Warner Electric SF Series 1525

Warner MB Series Controls


SF-1525 Flange Mounted Parts List
ItemDescriptionPart NumberQty.
2Autogap Accessory5201-101-0084
3Mounting Accessory5321-101-0022
Standard Friction Material5204-751-002
Optional LK Facing5204-751-004
15/16″ to 3″ Bore180-0223 to 180-0256
6Rotor Hub540-00041
7AField – Inside Mounted1
6 Volt5204-451-013
24 Volt5204-451-015
90 Volt5204-451-016
7BField – Outside Mounted1
6 Volt5204-451-055
24 Volt5204-451-056
90 Volt5204-451-057
8AMounting Accessory – I.M.5321-101-0012
8BMounting Accessory – O.M.5321-101-0012
9Conduit Box5200-101-0121