Warner Electric ER-1225 Heavy Duty Brake

  • Model Number: ER-1225 Heavy Duty
  • Series: ER
  • Bore Size: .75″ to 2.687″
  • Voltage: 90 VDC
  • Static Torque: 400 lb. ft.
  • Max RPM: 3000

Model No. – ER-1225 HD
Voltage D.C. – 90V
Bore Size – .75″ to 2.687″

ER-1225 HD Model Selection and Ordering
Is the ER-1225 HD the correct brake for you?
1.Verify that the brake will be cycled frequently in normal operation.
2. Use chart to verify ER-1225 HD is within RPM and Horsepower limits.

How To Order:
1. Specify Model Number : ER-1225 HD
2. Specify bore size : .75″ to 2.687″

ER Series Description
ER brakes provide a permanent magnet engage/electrically released design. This brake must be engaged while the shaft is in motion. Shaft speed should be 100 RPM or greater when the brake is engaged. This style brake offers a bulkhead flange mounting system, the highest torque rating offered by Warner Electric in the power released series, high cycle rate capability, and excellent life. ER Series brakes are available in five sizes . Static torque ratings range from 10.5 lb.ft. to 400 lb.ft

Designed for Dynamic stopping operations
High Cycle rated capability

Looking for Parts for an ER-1225 HD?

Warner Electric ER 375 Brake graph
ER 825 1225

ER-1225 HD Component Parts

Description Part Number
†Bushing 180-0026-180-0057
(3/4” to
2-11/16” Bore)
Splined Hub 540-0064
Retainer Ring 748-0005
Mounting Accessory, I.M 5321-101-001
Magnet (I.M.) and Armature
sold only in matched pairs*
90V 5252-4
Terminal Accessory 5311-101-001
Conduit Box 5200-101-010

Manuals and Specifications

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Catalog Warner Electric ER Series Electrically Released Brakes Catalog
Service Parts Catalog Warner Electric ER Series Electrically Released Brakes Service Parts Catalog