Technical ratings, Bore size – Warner Electric ER 825 and 1225 Normal Duty User Manual
Page 12

12
Warner Electric • 800-825-9050
P-250 • 819-0122
Technical Ratings
Static
Max.
D.C.
Total
Size
Torque
RPM
Voltage
Weight
ER-825
125 lb. ft.
3600
90
15.6 lbs.
ER-1225
400 lb. ft.
3000
35 to 75
60.3 lbs.
ER-825, 1225
ER-825
ER-1225
Voltage–DC
90
35-75
Resistance @ 20°C–Ohms
304
235
Current–Amperes
.29
.383
Watts
26
35
Coil Built-up–milliseconds
400
700
Coil Decay–milliseconds
20
20
Bore Size
ER-825
ER-1225
N.D. Drive
N.D. Drive
Pin Drive
Pin Drive
Bore Dia.
Keyway
Bore Dia.
Keyway
.500-.562
1/8 x 1/16
.937-1.250
1/4 x 1/8
.625-.875
3/16 x 3/32
1.312-1.375
5/16 x 5/32
.937-1.250
1/4 x 1/8
1.437-1.750
3/8 x 3/16
1.312-1.375
5/16 x 5/32
1.812-2.250
1/2 x 1/4
1.437-1.500
3/8 x 3/16
2.312-2.750
5/8 x 5/16
1.562-1.625*
3/8 x 3/16
2.187-3.000
3/4 x 3/8
* Furnished with key.
Customer Shall Maintain:
1. Squareness of magnet mounting face with
armature shaft within .006 T.I.R.
2. Concentricity of magnet mounting pilot
diameter with armature shaft within .010 T.I.R.
3. If magnet mounting surface is a magnetic
material, the magnet is to be insulated
approximately 1/2 inch from that surface with a
plate or spacer of non-magnetic material.
Dimensions and Specifications
ER-825 & ER-1225 Magnet View
ER-825 Normal Duty
Drawing I-25577
ER-1225 Normal Duty
Drawing I-25619
ER Size
A Max.
B Dia.
D
E
G
H Max.
I
J
K Min.
825 N.D.
8.656
4.625
1.593
1.5
5.625
.531
5/16-18 UNC-3A
1.687
1.546
1225 N.D.
12.671
6.875
3.0
3.0
7.671
.546
5/16-18 UNC-3A
1.718
1.546
M
N
O
P Max.
Q
R Max.
S
T
U
V
ER-825 N.D.
.093
.562
2.078
4.359
3.750
6.75
.358
6
4.250
3.503
.338
3.501
ER-1225 N.D.
.156
.593
2.50
6.218
3.750
8.79
.358
6
7.250
6.378
.338
6.376
Removable
plug in ends
for 1/2" conduit
Mounting holes
are within 0.005
of true position
relative to pilot
diameter
V
Pilot
Dia.
K
J
G
H
S
dia. (
T
) holes
equally spaced
on
U
dia.
A
B
D
E
P
O
N
M
R
Q
I