Warner Electric FB Series Brakes

Selection Procedure
FB (Shaft Mounted) Series brakes are
available in three models to provide an
optimum size to match your application
requirements. Static torque capabilitiesfb-series-brakes
range from 10.5 lb.ft. to 56 lb.ft.

Brakes on single shaft extension motors
(see motor adapter bore size chart on
page 136). For double shaft extension
motors, the adapter can be eliminated.
Specify motor shaft size.

Typical Application
Storage Elevator
These brakes will stop as well as keep a
load in position until they are electrical ly
released. They are also used as emergency
stopping devices

FB Series Electrically Released Brakes
Product Data – Reference (Pages 135-137) in catalog P-1234

FB Series
Model No. Voltage D.C. Max RPM Bore Size Part No.
FB-375 24V 5000 1/2″ 5390-170-024
FB-375 90V 5000 1/2″ 5390-170-021
FB-375 24V 5000 5/8″ 5390-170-023
FB-375 90V 5000 5/8″ 5390-170-022
FB-475 24V 4500 1″ 5391-170-012
FB-475 90V 4500 1″ 5391-170-009
FB-650 24V 3600 1-3/8″ 5392-170-010
FB-650 90V 3600 1-3/8″ 5392-170-007

Motor and Shaft Adapters

FB Motor Adapter

 

Product Data – Reference (Pages *) in catalog P-1234

Motor Adapters
Model Size Motor Shaft Size Part No.
375 .625″ 5380-101-005
375 .875″ 5380-101-004
475 1.125″ 5381-101-003
650 1.375″ 5382-101-003
650 1.625″ 5382-101-002

FB Shaft Adapter
Shown below are dimensions and
specifications for the optional shaft adapter
available for mounting FB Series brakes on
a mot or. A standard sheave, pulley, or
sprocket, with either a tapered bushing or
straight bore, can be installed on the shaft
adapter. The brake is mounted on the end
of the shaft adapter and the complete
assembly fits onto the motor shaft, secured
with setscrew s. Fitting the belts or chain
and torque arm completes the installation.

FB Shaft Adapter

 

Product Data – Reference (Pages ) in catalog P-1234

FB Shaft Adapter
Model No. A B E KEY Part No.
FB-375 5/8″ 7/8″ 2″ 590-0016
FB-375 7/8″ 1-1/4″ 2-1/4″ 590-0022
FB-475 1-1/8″ 1-5/8″ 2-3/4″ 590-0041
FB-650 1-3/8″ 2″ 3-3/8″ 590-0042
FB-650 1-5/8″ 2-1/4″ 4″ 590-0042
FB Series – Electrically Released Brakes
Component Parts
Description FB-375
Part No
FB-475
Part No
FB-650
Part No
*Bushing 180-0410 1/2″ bore 180-0421 1/2″ bore
to 180-0418 1″ bore To 180-0435 1-3/8″ bore
5/8″ motor shaft 5380-101-005
7/8″ motor shaft 5380-101-004
1-1/8″ motor shaft 5381-101-003
1-3/8″ motor shaft 5382-101-003
1-5/8″ motor shaft 5382-101-002
Retainer ring 748-0101 748-0102 748-0104
Ball bearing 166-0150 166-0110 166-0104
Retainer ring 748-0018 748-0002 748-0004
Torque arm mount assembly 5380-101-007 5381-101-006 5382-101-007
Torque arm rod assembly 5380-112-001 5381-112-001 5382-112-001
Terminal accessory 5311-101-001 5311-101-001 5311-101-001
Conduit Box 5200-101-010 5200-101-010 5200-101-010

Click on the links below to see Drawings and Specs:

Warner Electric FB Series PDF