Electromagnetic Particle Clutches and Brakes
Models: POC, PHC-R, PMC-A3,
POB, PRB and PTB-BL3
P-223-4
819-0452
Performance Manual
Contents
Introduction
Torque vs Current Curves
POC/POB-0.3 . . . . . . . . . . . . . . . . . . . . . . . . . . 3
POC/POB-0.6
. . . . . . . . . . . . . . . . . . . . . . . . . . 3
POC/POB-1.2 . . . . . . . . . . . . . . . . . . . . . . . . . . 3
POC/POB-2.5 . . . . . . . . . . . . . . . . . . . . . . . . . . 4
POC/POB-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
POC/POB-10 . . . . . . . . . . . . . . . . . . . . . . . . . . 4
POC/POB-20 . . . . . . . . . . . . . . . . . . . . . . . . . . 5
POC/POB-40 . . . . . . . . . . . . . . . . . . . . . . . . . . 5
POC/POB-80 . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PHC-0.6R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PHC-1.2R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PHC-2.5R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PHC-5R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PHC-10R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PHC-20R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PMC-10A
PMC-20A
PMC-40A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
PRB-1.2H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PRB-2.5H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PRB-5H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PRB-10H . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PRB-20H . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PTB-2.5BL
PTB-5BL
PTB-10BL
PTB-20BL
. . . . . . . . . . . . . . . . . . . . . . . . . . 11
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3
Allowable Heat Dissipation Curves
POC/POB . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PHC-R
PMC-A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3
PRB-1.2H . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
PRB-2.5H . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PRB-5H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PRB-10H . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PRB-20H . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PTB-BL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3
Warranty. . . . . . . . . . . . . . . . . . . . . . . Back Page
This Performance Data manual provides torque
curves and allowable heat dissipation curves for
Warner Electric's magnetic particle clutches and
brakes. The manual covers clutch models POC,
PHC-R, and PMC. It also covers brake models
POB, PRB, and PTB.
The information in this manual is valuable for
selecting the correct unit for your specific application. For help in calculating your torque or
heat dissipation requirements, please refer to
your Warner Electric Tension Control Systems
Catalog. This catalog also provides additional
information to help you select a clutch, brake, or
control for your application.
Failure to follow these
instructions may result in product damage,
equipment damage, and serious or fatal
injury to personnel.
Warner Electric • 800-825-9050 819-0452
2
Torque vs. Current Curve (Typical)
Type: POC/POB-0.3
(kgfm)
(lb. ft.)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1
0.3
0.2
0.4 0.5 0.6 0.7
.72
1.4
2.1
2.9
3.6
4.3
5.1
Rated Current 0.55 Amp
Rated Torque 0.3 Kgfm (2.1 lb. ft.)
Torque
Current (Amp.)
Torque vs. Current Curve (Typical)
Type: POC/POB-0.6
(kgfm) (lb. ft.)
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6 0.8 1.2
1.4
2.9
4.3
5 .8
7.2
8.7
Rated Current 0.93 Amp
Rated Torque 0.6 Kgfm (4.3 lb. ft.)
Torque
Current (Amp.)
1.0
Torque vs. Current Curve (Typical)
Type: POC/POB-1.2
(kgfm) (lb. ft.)
1.6
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6 0.8 1.2
4.3
5.8
7.2
8.6
10.1
11.6
Rated Current 0.95 Amp
Rated Torque 1.2 Kgfm (8.6 lb. ft.)
Torque
Current (Amp.)
1.0
2.9
1.4
1.2
1.4
Torque (kgfm) = 0.1383 x Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
3
Torque vs. Current Curve (Typical)
Type: POC/POB-2.5
(kgfm) (lb. ft.)
4.0
2.0
1.0
0
0.2
0.4
0.6 0.8 1.6
10.8
14.5
18.1
21.7
25.3
28.9
Rated Current 1.25 Amp
Rated Torque 2.5 Kgfm (18 lb. ft.)
Torque
Current (Amp.)
1.0
7.2
3.6
3.0
1.2
1.4
Torque vs. Current Curve (Typical)
Type: POC/POB-5
(kgfm) (lb. ft.)
8
4
2
0
0.5
1.0
1.5
3.0
21.7
28.9
36.2
43.4
5.06
57.9
Rated Current 2.25 Amp
Rated Torque 5 Kgfm (36 lb. ft.)
Torque
Current (Amp.)
14.5
7.2
6
2.0
2.5
1
3
5
7
Torque vs. Current Curve (Typical)
Type: POC/POB-10
(kgfm) (lb. ft.)
16
8
4
0
0.5
1.0
1.5
3.0
43.4
57.9
72.3
86.8
101
116
Rated Current 2.20 Amp
Rated Torque 10 Kgfm (72 lb. ft.)
Torque
Current (Amp.)
28.9
14.5
12
2.0
2.5
2
6
10
14
Torque (kgfm) = 0.1383 x Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
4
Torque vs. Current Curve (Typical)
Type: POC/POB-80
(kgfm) (lb. ft.)
120
80
60
0
1
4
72
144
217
289
362
434
Rated Current 4.58 Amp
Rated Torque 80 Kgfm (578 lb. ft.)
Torque
Current (Amp.)
100
2
40
20
3
506
578
651
723
796
868
5
6
Torque vs. Current Curve (Typical)
Type: POC/POB-20
(kgfm) (lb. ft.)
30
20
15
0
0.5
1.0
1.5
3.5
36.2
72.3
108
144
181
217
Rated Current 2.75 Amp
Rated Torque 20 Kgfm (144 lb. ft.)
Torque
Current (Amp.)
25
2.0
2.5
10
5
3.0
Torque vs. Current Curve (Typical)
Type: POC/POB-40
(kgfm) (lb. ft.)
60
40
30
0
1.0
4.0
36.2
72.3
108
144
181
217
Rated Current 3.83 Amp
Rated Torque 40 Kgfm (289 lb. ft.)
Torque
Current (Amp.)
50
2.0
20
10
3.0
253
289
325
362
398
434
Torque (kgfm) = 0.1383 X Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
5
Torque vs. Current Curve (Typical)
Type: PHC-0.6R
(kgfm) (lb. ft.)
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6 0.8 1.2
1.4
2.9
4.3
5.8
7.2
8.7
Rated Current 0.93 Amp
Rated Torque 0.6 Kgfm (4.3 lb. ft.)
Torque
Current (Amp.)
1.0
Torque vs. Current Curve (Typical)
Type: PHC-1.2R
(kgfm)
(lb. ft.)
1.6
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6 0.8 1.2
4.3
5.8
7.2
8.6
10.1
11.6
Rated Current 0.95 Amp
Rated Torque 1.2 Kgfm (8.6 lb. ft.)
Torque
Current (Amp.)
1.0
2.9
1.4
1.2
1.4
Torque vs. Current Curve (Typical)
Type: PHC-2.5R
(kgfm) (lb . ft.)
4.0
2.0
1.0
0
0.2
0.4
0.6 0.8 1.6
10.8
14.5
18.1
21.7
25.3
28.9
Rated Current 1.25 Amp
Rated Torque 2.5 Kgfm (18 lb ft.).
Torque
Current (Amp.)
1.0
7.2
3.6
3.0
1.2
1.4
Torque (kgfm) = 0.1383 X Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
6
Torque vs. Current Curve (Typical)
Type: PHC-5R
(kgfm) (lb. ft.)
8
4
2
0
0.5
1.0
1.5
3.0
21.7
28.9
36.2
43.4
5.06
57.9
Rated Current 2.25 Amp
Rated Torque 5 Kgfm (36 lb. ft.)
Torque
Current (Amp.)
14.5
7.2
6
2.0
2.5
1
3
5
7
Torque vs. Current Curve (Typical)
Type: PHC-10R
(kgfm) (lb. ft.)
16
8
4
0
0.5
1.0
1.5
3.0
43.4
57.9
72.3
86.8
101
116
Rated Current 2.20 Amp
Rated Torque 10 Kgfm (72 lb. ft.)
Torque
Current (Amp.)
28.9
14.5
12
2.0
2.5
2
6
10
14
Torque vs. Current Curve (Typical)
Type: PHC-20R
(kgfm) (lb. ft.)
30
20
15
0
0.5
1.0
1.5
3.5
36.2
72.3
108
144
181
217
Rated Current 2.75 Amp
Rated Torque 20 Kgfm (144 lb. ft.)
Torque
Current (Amp.)
25
2.0
2.5
10
5
3.0
Torque (kgfm) = 0.1383 X Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
7
Torque vs. Current Curve (Typical)
Type: PMC-10A
(kgfcm) (lb. in.)
18
10
4
0
0.1
0.2
0.3
0.8
5.2
6.9
8.6
10.4
12.2
15.6
Rated Current 0.56 Amp
Rated Torque 10 Kgfcm (8.6 lb. in.)
Torque
Current (Amp.)
3.5
1.7
14
0.4
0.5
2
6
12
16
8
0.6 0.7
13.9
3
Torque vs. Current Curve (Typical)
Type: PMC-20A
(kgfcm) (lb. in.)
30
20
15
0
.01
0.6
4.3
8.7
13.0
Rated Current 0.625 Amp
Rated Torque 20 Kgfcm (17 lb. in.)
Torque
Current (Amp.)
25
0.2
10
5
0.3
17.4
21.4
26.0
0.4
0.5
0.7
3
Torque vs. Current Curve (Typical)
Type: PMC-40A
(kgfcm) (lb. in.)
50
30
20
0
0.1
0.6
4.3
8.7
13.0
Rated Current 0.75 Amp
Rated Torque 40 Kgfcm (34 lb. in.)
Torque
Current (Amp.)
40
0.2
10
0.3
17.4
21.7
26.0
0.4
0.5
0.7
0.9
0.8
30.4
34.7
39.1
43.4
3
Torque (kgfcm) = 1.152 X Torque (lb.in.)
Warner Electric • 800-825-9050 819-0452
8
Torque vs. Current Curve (Typical)
Type: PRB-1.2H
(kgfm) (lb. ft.)
1.6
1.0
0.8
0.6
0.4
0.2
0 0.1
0.2
0.3 0.4 0.7
4.3
5.8
7.2
8.6
10.1
11.6
Rated Current 0.63 Amp
Rated Torque 1.2 Kgfm (86 lb. ft.)
Torque
Current (Amp.)
0.5
2.9
1.4
1.2
1.4
1.8
13.0
0.6
Torque vs. Current Curve (Typical)
Type: PRB-2.5H
(kgfm) (lb. ft.)
4.0
2.0
1.0
0
0.2
0.4
0.6 0.8
10.8
14.5
18.1
21.7
25.3
28.9
Rated Current 0.77 Amp
Rated Torque 2.5 Kgfm (18 lb. ft.)
Torque
Current (Amp.)
1.0
7.2
3.6
3.0
Torque vs. Current Curve (Typical)
Type: PRB-5H
(kgfm) (lb. ft.)
8
4
2
0
0.2
0.4
0.6 0.8
21.7
28.9
36.2
43.4
50.6
57.9
Rated Current 1.02 Amp
Rated Torque 5 Kgfm (36 lb. ft.)
Torque
Current (Amp.)
1.0
14.5
7.2
6
1.2
7
5
3
1
Torque (kgfm) = 0.1383 X Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
9
Torque vs. Current Curve (Typical)
Type: PRB-10H
(kgfm) (lb. ft.)
16
8
4
0
0.6 0.8
1.0
1.6
43.4
57.9
72.3
86.8
101
116
Rated Current 1.33 Amp
Rated Torque 10 Kgfm (72 lb. ft.)
Torque
Current (Amp.)
28.9
14.5
12
1.2
1.4
2
6
10
14
0.4
0.2
Torque vs. Current Curve (Typical)
Type: PRB-20H
(kgfm) (lb. ft.)
30
20
15
0
0.2 0.4
0.6
1.6
36.2
72.3
108
144
181
217
Rated Current 1.58 Amp
Rated Torque 20 Kgfm (144 lb. ft.)
Torque
Current (Amp.)
25
0.8
1.0
10
5
1.2
1.4
Torque (kgfm) = 0.1383 X Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
10
Torque vs. Current Curve (Typical)
Type: PTB-2.5BL
(kgfm) (lb. ft.)
4.0
1.0
0
0.2
0.4
0.6
1.6
10.8
14.5
18.1
21.7
28.9
Rated Current 1.25 Amp
Rated Torque 2.5 Kgfcm (18 lb. ft.)
Torque
Current (Amp.)
7.2
3.6
3.0
0.8
1.0
2.0
1.2 1.4
25.3
3
Torque vs. Current Curve (Typical)
Type: PTB-5BL
(kgfm) (lb. ft.)
8
4
2
0
0.5
1.0
1.5
3.0
21.7
28.9
36.2
43.4
5.06
57.9
Rated Current 2.25 Amp
Rated Torque 5 Kgfm (36 lb. ft.)
Torque
Current (Amp.)
14.5
7.2
6
2.0
2.5
1
3
5
7
3
Torque vs. Current Curve (Typical)
Type: PTB-10BL
(kgfm) (lb. ft.)
16
8
4
0
0.5
1.0
1.5
3.0
43.4
57.9
72.3
86.8
101
116
Rated Current 2.20 Amp
Rated Torque 10 Kgfm (72 lb. ft.)
Torque
Current (Amp.)
28.9
14.5
12
2.0
2.5
2
6
10
14
3
Torque vs. Current Curve (Typical)
Type: PTB-20BL
(kgfm) (lb. ft.)
30
20
15
0
0.5
1.0
1.5
3.5
36.2
72.3
108
144
181
217
Rated Current 2.75 Amp
Rated Torque 20 Kgfm (144 lb. ft.)
Torque
Current (Amp.)
25
2.0
2.5
10
5
3.0
3
Torque (kgfm) = 0.1383 X Torque (lb.ft.)
Warner Electric • 800-825-9050 819-0452
11
Allowable Heat Dissipation Curves
Type: POC/POB
Selection Speed (RPM)
0
Heat Dissipation
500
100
1000
2000
4000
6000
(Watts)
POC POB 80
POC POB 40
POC POB 20
POC POB 10
POC POB 5
POC POB 2.5
POC POB 1.2
POC POB 0.6
POC POB 0.3
1000
0.080 2,650
0.134 4,420
0.268 8,850
0.536 17,700
1.34 44,200
2.68 88,500
8.04 265,000
5.36 177,000
1.07 35,400
0.804 26,500
0.107 3,540
(HP
t
)
ft lbs
min
200
400
600
800
80
60
Allowable Heat Dissipation Curves
Type: PHC-R
Selection Speed (RPM)
0
Heat Dissipation
500
100
200
400
600
800
80
60
1000
2000
4000
6000
(Watts)
PHC-20R
PHC-10R
PHC-5R
PHC-2.5R
PHC-1.2R
PHC-0.6R
1000
0.080 2,650
0.134 4,420
0.268 8,850
0.536 17,700
1.34 44,200
2.68 88,500
8.04 265,000
5.36 177,000
1.07 35,400
0.804 26,500
0.107 3,540
(HP
t
)
ft lbs
min
12
Heat Dissipation (Watts) = 746 X HPtHeat Dissipation (Watts) = 0.0226 X E
RATE
ft. lbs.
()
min.
Warner Electric • 800-825-9050 819-0452
Allowable Heat Dissipation Characteristics
Type: PMC-A
Selection Speed (RPM)
0
Heat Dissipation
200 400 600 800 1000 1200 1400 1600 1800
120
(Watts)
PMC-40A
3
PMC-20A
3
PMC-10A
3
0.027 885
0.054 1,770
0.080 2,650
0.107 3,540
0.134 4,420
0.161 5,310
(HP
t
)
ft lbs
min
20
40
60
80
100
3
Allowable Heat Dissipation Characteristics
Type: PRB-1.2H
Selection Speed (RPM)
0
Heat Dissipation
130
(Watts)
PRB-1.2H
0.107 3,540
0.121 3,980
0.134 4,420
0.147 4,870
0.161 5,310
0.174 5,750
(HP
t
)
ft lbs
min
80
90
100
110
120
200 400 600 800 1000 1200 1400 1600 1800
Heat Dissipation (Watts) = 746 X HP
Heat Dissipation (Watts) = 0.0226 X E
t
RATE
ft. lbs.
()
min.
Warner Electric • 800-825-9050 819-0452
13
200
180
160
140
120
100
0
200
0.241 7,960
0.214 7,080
0.118 6,190
0.161 5,310
0.134 4,420
Allowable Heat Dissipation Characteristics
Type: PRB-2.5H
Watts
HP
t
ft. lbs./min.
Selection Speed (RPM)
1000
800
600
400
1600
14001200
1800
PRB-2.5H
350
300
250
200
150
100
0
200
0.402 13,300
0.335 11,100
0.268 8,850
0.201 6,640
0.134 4,420
Allowable Heat Dissipation Characteristics
Type: PRB-5H
Watts
HP
t
ft. lbs./min.
Selection Speed (RPM)
1000
800
600
400
1600
14001200
1800
PRB-5H
500
450
400
350
300
250
0
200
0.603 19,900
0.536 17,700
0.469 15,500
0.402 13,300
0.335 11,100
Allowable Heat Dissipation Characteristics
Type: PRB-10H
Watts
HP
t
ft. lbs./min.
1000
800
600
400
1600
14001200
1800
PRP-10H
200
0.670 22,100
Selection Speed (RPM)
900
800
700
600
500
400
0
200
1.070 35,400
0.938 31,000
0.804 26,500
0.670 22,100
0.536 17,700
Allowable Heat Dissipation Characteristics
Type: PRB-20H
Watts
HP
t
ft.lbs./min.
Selection Speed (RPM)
1000
800
600
400
1600
14001200
1800
0.402 13,300
300
PRB-20H
Heat Dissipation (Watts) = 746 X HP
Heat Dissipation (Watts) = 0.0226 X E
Warner Electric • 800-825-9050 819-0452
14
t
RATE
ft. lbs.
()
min.
Allowable Slip Heat Dissipation Curves
Type: PTB-BL
Selection Speed (RPM)
0
Heat Dissipation
500
100
1000
2000
4000
10000
(Watts)
PTB-20BL
3
PTB-10BL
3
PTB-5BL
3
PTB-2.5BL
3
1000 1500
0.134 4,420
0.268 8,850
0.536 17,700
1.340 44,200
2.680 88,500
13.400 442,000
5.360 177,000
5000
6.700 221,000
3000
4.020 133,000
1.070 35,400
0.804 26,500
(HP
t
)
ft lbs
min
200
400
600
800
3
Heat Dissipation (Watts) = 746 X HP
Heat Dissipation (Watts) = 0.0226 X E
t
RATE
ft. lbs.
()
min.
Warner Electric • 800-825-9050 819-0452
15
Warranty
Warner Electric LLC warrants that it will repair or replace (whichever it deems advisable) any
product manufactured and sold by it which proves to be defective in material or workmanship
within a period of one (1) year from the date of original purchase for consumer, commercial or
industrial use.
This warranty extends only to the original purchaser and is not transferable or assignable without
Warner Electric LLC’s prior consent.
Warranty service can be obtained in the U.S.A. by returning any defective product, transportation
charges prepaid, to the appropriate Warner Electric LLC factory. Additional warranty information
may be obtained by writing the Customer Satisfaction Department, Warner Electric LLC, 449
Gardner Street, South Beloit, Illinois 61080, or by calling 815-389-3771.
A purchase receipt or other proof of original purchase will be required before warranty service is
rendered. If found defective under the terms of this warranty, repair or replacement will be made,
without charge, together with a refund for transportation costs. If found not to be defective, you
will be notied and, with your consent, the item will be repaired or replaced and returned to you
at your expense.
This warranty covers normal use and does not cover damage or defect which results from
alteration, accident, neglect, or improper installation, operation, or maintenance.
Some states do not allow limitation on how long an implied warranty lasts, so the above limitation
may not apply to you.
Warner Electric LLC’s obligation under this warranty is limited to the repair or replacement of the
defective product and in no event shall Warner Electric LLC be liable for consequential, indirect,
or incidental damages of any kind incurred by reason of the manufacture, sale or use of any
defective product. Warner Electric LLC neither assumes nor authorizes any other person to give
any other warranty or to assume any other obligation or liability on its behalf.
WITH RESPECT TO CONSUMER USE OF THE PRODUCT, ANY IMPLIED WARRANTIES WHICH
THE CONSUMER MAY HAVE ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF
ORIGINAL CONSUMER PURCHASE. WITH RESPECT TO COMMERCIAL AND INDUSTRIAL
USES OF THE PRODUCT, THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL
OTHER WARRANTIES, WHETHER EXPRESSED OR IMPLIED BY OPERATION OF LAW OR
OTHERWISE, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so
the above limitation or exclusion may not apply to you. This warranty gives you specic legal
rights and you may also have other rights which vary from state to state.
Changes in Dimensions and Specifications
All dimensions and specications shown in Warner Electric catalogs are subject to change without
notice. Weights do not include weight of boxing for shipment. Certied prints will be furnished
without charge on request to Warner Electric.
Warner Electric LLC
31 Industrial Park Road • New Hartford, CT 06057
815-389-3771 • Fax: 815-389-2582
www.warnerelectric.com
P-233-4 819-0452 7/05 Printed in USA
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