Warner Electric ER-475 Brake

Model No. – ER-475
Voltage D.C. – 90V
Bore Size – .500″ to 1.000″

Dynamic Engagement Brakes
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.

Features:
• Designed for dynamic stopping operations
• High cycle rated capability
• Inside or Outside mount options for 475 or 650 sizes
• Normal or Heavy Duty options available in larger sizes

ER Series brakes are available in five sizes . Static torque ratings range from 10.5 lb.ft. to 400 lb.ft

Selection Procedure
Verify that the brake will be cycled frequently in normal operation. Determine the horsepower and speed at the brake location.

ER Series Electrically Released Brakes
Product Data – Reference (Pages A-8 to A-11) in catalog P-8590

Bushing Part Numbers   
  Bushing Number
Shaft SizeKeyway SizeWarner ElectricBrowning
1/21/8 x 1/16180-0002H-1
9/161/8 x 1/16180-0003
5/83/16 x 3/32180-0004
11/163/16 x 3/32180-0005
3/43/16 x 3/32180-0006
13/163/16 x 3/32180-0007
7/83/16 x 3/32180-0008
15/161/4 x 1/8180-0009
11/4 x 1/8180-0010
1-1/161/4 x 1/8180-0011
1-1/81/4 x 1/8180-0012
1-3/161/4 x 1/8180-0013
1-1/41/4 x 1/8180-0014
1-5/165/16 x 5/32180-0015
1-3/85/16 x 5/32180-0016
1-7/163/8 x 3/16180-0017H-2
1-1/23/8 x 3/16180-0018
3/43/16 x 3/32180-0026QI-1
13/163/16 x 3/32180-0027
7/83/16 x 3/32180-0028
15/161/4 x 1/8180-0029
11/4 x 1/8180-0030
1-1/161/4 x 1/8180-0031
1-1/81/4 x 1/8180-0032
1-3/161/4 x 1/8180-0033
1-1/41/4 x 1/8180-0034
1-5/165/16 x 5/32180-0035
1-3/85/16 x 5/32180-0036
1-7/163/8 x 3/16180-0037
1-1/23/8 x 3/16180-0038
1-9/163/8 x 3/16180-0039
1-5/83/8 x 3/16180-0040
1-11/163/8 x 3/16180-0041
1-3/43/8 x 3/16180-0042
1-13/161/2 x 1/4180-0043
1-7/81/2 x 1/4180-0044
1-15/161/2 x 1/4180-0045
21/2 x 1/4180-0046QI-2
2-1/161/2 x 1/4180-0047
2-1/81/2 x 1/4180-0048
2-3/161/2 x 1/4180-0049
2-1/41/2 x 1/4180-0050
2-5/165/8 x 5/16180-0051
2-3/85/8 x 5/16180-0052
2-7/165/8 x 5/16180-0053
2-1/25/8 x 5/16180-0054
2-9/165/8 x 5/16180-0055
2-5/85/8 x 5/16180-0056
2-11/165/8 x 5/16180-0057
1/21/8 x 1/16180-01311615
9/161/8 x 1/16180-0132
5/83/16 x 3/32180-0133
11/163/16 x 3/32180-0134
3/43/16 x 3/32180-0135
13/163/16 x 3/32180-0136
7/83/16 x 3/32180-0137
15/161/4 x 1/8180-0138
11/4 x 1/8180-0139
1-1/161/4 x 1/8180-0140
1-1/81/4 x 1/8180-0141
1-3/161/4 x 1/8180-0142
1-1/41/4 x 1/8180-0143
1-5/165/16 x 5/32180-0144
1-3/85/16 x 5/32180-0145
1-7/163/8 x 3/16180-0146
1-1/23/8 x 3/16180-0147
1-9/163/8 x 3/16180-0148
1-5/83/8 x 3/16180-0149
15/161/4 x 1/8180-02623030
11/4 x 1/8180-0263
1-1/161/4 x 1/8180-0264
1-1/81/4 x 1/8180-0265
1-3/161/4 x 1/8180-0266
1-1/41/4 x 1/8180-0267
1-5/165/16 x 5/32180-0268
1-3/85/16 x 5/32180-0269
1-7/163/8 x 3/16180-0270
1-1/23/8 x 3/16180-0271
1-9/163/8 x 3/16180-0272
1-5/83/8 x 3/16180-0273
1-11/163/8 x 3/16180-0274
1-3/43/8 x 3/16180-0275
1-13/161/2 x 1/4180-0276
1-7/81/2 x 1/4180-0277
1-15/161/2 x 1/4180-0278
21/2 x 1/4180-0279
2-1/161/2 x 1/4180-0280
2-1/81/2 x 1/4180-0281
2-3/161/2 x 1/4180-0282
2-1/41/2 x 1/4180-0283
2-5/165/8 x 5/16180-0284
2-3/85/8 x 5/16180-0285
2-7/165/8 x 5/16180-0286
2-1/25/8 x 5/16180-0287
2-9/165/8 x 5/16180-0288
2-5/85/8 x 5/16180-0289
2-11/165/8 x 5/16180-0290
2-3/45/8 x 5/16180-0291
2-13/163/4 x 3/8180-0292
2-7/83/4 x 3/8180-0293
2-15/163/4 x 3/8180-0294
33/4 x 3/8180-0295
1/21/8 x 1/16180-04101008
9/161/8 x 1/16180-0411
5/83/16 x 3/32180-0412
11/163/16 x 3/32180-0413
3/43/16 x 3/32180-0414
13/163/16 x 3/32180-0415
7/83/16 x 3/32180-0416
15/161/4 x 1/16180-0417
11/4 x 1/16180-0418
1/21/8 x 1/16180-04211310
9/161/8 x 1/16180-0422
5/83/16 x 3/32180-0423
11/163/16 x 3/32180-0424
3/43/16 x 3/32180-0425
13/163/16 x 3/32180-0426
7/83/16 x 3/32180-0427
15/161/4 x 1/16180-0428
11/4 x 1/16180-0429
1-1/161/4 x 1/8180-0430
1-1/81/4 x 1/8180-0431
1-3/161/4 x 1/8180-0432
1-1/41/4 x 1/8180-0433
1-5/1615/16 x 5/32180-0434
1-3/815/16 x 5/32180-0435

Click on the link below to see Drawings and Specs:
ER-Series-Breaks.pdf