Warner Electric Electrically Released Brake ER-375, ER-475, ER-650 - Manual (Page 11)

11 Warner Electric • 800-825-9050 P-253 • 819-0315
Component Parts
ER-375 ER-475 ER-650
Item Description Part Number Qty Part Number Qty Part Number Qty
1 †Bushing 180-0410-0418 1 180-0421-0435 1
(1/2" to 1" Bore) (1/2" to 1-3/8" Bore)
2 Hub 540-0849 1 540-0848 1
1/2" Bore 540-0846 1
5/8" Bore 540-0847 1
3A Magnet and Armature (Inside Mounted, 90 Volt)
Sold only in matched pairs*
5255-5 1 5256-6 1
3A-1 Autogap Accessory 5391-101-003 4 5392-101-003 4
3A-2 Terminal Accessory 5103-101-002 1 5103-101-002 1
3B Magnet and Armature (Outside Mounted, 90 Volt)
Sold only in matched pairs*
5254-1 1 5255-6 1 5256-7 1
3B-1 Autogap Accessory 5390-101-002 3 5391-101-003 4 5392-101-003 1
3B-2 Terminal Accessory 5103-101-002 1 5103-101-002 1 5103-101-002 1
4 Mounting Accessory
Inside Mount
5255-101-001 1 5256-101-003 1
Outside Mount 5254-101-002 1 5255-101-002 1 5256-101-003 1
5 Conduit Box 5200-101-010 1 5200-101-010 1 5200-101-010 1
† See page 9 for specific part numbers.
* Magnets and armatures sold only in pre-burnished sets to assure rated torque available upon installation.
These units, when used with the correct Warner Electric conduit box, meet the standards of UL508 and are listed
under guide card #NMTR2, file #59164.
How to Order
1. Specify bore size.
2. Specify Normal or Heavy Duty.
Example
ER-650 Electrically Released Brake per I-25767,
7/8" bore.