Model E
D
unenclosed
0.625"
15.88 mm
0.125"
3.18 mm
B
0.531"
shaft
13.49 mm
locking
nut
Rheostats
0.531"
13.49 mm
0.25"
6.35 mm
standard
shaft
0.25"
6.35 mm
Mounting:
Panels to
0.125" (3.18mm) thick
enclosed
with 0.25-32 bushing and
hex nut (0.063" thick).
0.094"
2.38 mm
C
0.078"
1.98 mm
(Potentiometers)
Wirewound
locking
shaft
0.406"
10.32 mm
D
Locking
shaft
Model C
D
0.25"
6.4 mm
B
B
0.625"
0.625"
15.88 mm 15.88 mm
0.125"
3.18 mm
Models P, N, R, U
M
M
2"
51 mm
B
0.25"
6.4 mm
0.25"
6.4 mm
0.109"
2.78 mm
Standard
shaft
0.375"
9.53 mm
D
0.031"
0.79 mm
C
D
0.875"
22.23 mm
Mounting:
Panels to 0.125" (3.18mm) thick with
0.25-32 bushing and hex nut (0.063" thick).
Models H, J, G,
K, L
0.375"
9.53 mm
0.031"
0.79 mm
0.25"
6.35 mm
0.75"
19.05 mm
holes for
no. 8 screws
0.25 - 20 thread for
mounting screws
1.563"
39.7 mm
0.5"
12.7 mm
bushing
projection
0.625"
15.88 mm
P
N
R
U
Dimension "M"
0.875" 22.23 mm
1.188" 30.16 mm
1.5"
38.1 mm
3"
76.2 mm
Mounting:
Panels
to 1.25" (31.75mm)
thick with 0.25-20
flat-head screws.
drill 0.188"
(4.76 mm) hole
in panel
0.031"
0.79 mm
0.344"
8.73 mm
C
shaft
locking
nut
locking shaft
(only model H
stocked)
See page 39 for knobs,
dials, and other hardware
Since all rheostats/potentiometers are electro-
mechanical devices, they are subject to mechanical
wear and, therefore, have a finite life.
0.063"
holes for:
1.59 mm
0.875"
no. 2 screws (model H)
B
22.23 mm
no. 8 screws (J, G, K, L) mounting
bracket on
standard shaft
model L only
(models H, J, G, K, L)
Mounting:
Panels to 0.25" (6.35mm) thick with 0.375-32 bushing and hex nut (0.094" thick)
(or with 10-32 x 0.75 F.H. screws for model L only).
Model
E
H
J
G
K
L
P
N
R
U
C
E
Type
RES/REL
RHS/RHL
RJS
RGS
RKS
RLS
RPS
RNS
RRS
RUS
RCS/RCL
REE
Watts
12.5
25
50
75
100
150
225
300
500
1000
7.5
12.5
Ohmic
range
1.0-15K
1.0-25K
0.5-50K
0.5-50K
0.5-50K
0.5-50K
1.0-30K
1.0-50K
1.0-20K
1.0-20K
10.0-5K
1.0-15K
Core
open
open
open
open
open
open
open
open
open
open
enclosed
enclosed
Voltage
(RMS)
305
500
750
900
1000
1200
1300
1225
1450
1600
305
305
Behind panel
"B" (In./
mm
)
0.688/17.46
1.375/34.93
1.375/34.93
1.750/44.45
1.750/44.45
2.000/50.8
2.125/53.98
2.375/60.33
2.125/53.98
3.000/76.2
0.875/22.23
1.219/30.96
Diameter
"D" (In./
mm
)
0.875/
22.23
1.560/
39.62
2.31 /
58.67
2.75 /
69.25
3.125/
79.38
4.00 /101.60
5.00 /127.00
6.00 /152.40
8.00 /203.20
12.00 /304.80
0.515/
13.08
1.047/
26.59
Dimension
"C" (In./
mm
)
0.594/15.08
0.940/23.88
1.56 /39.62
1.78 /45.21
1.91 /48.51
2.28 /57.91
2.97 /75.44
3.44 /87.38
4.31/109.47
6.38/162.05
—
—
Shaft torque
1-6 oz. in.
0.25-0.5 lb. in.
0.25-2 lb. in.
0.5-2 lb. in.
0.5-2 lb. in.
0.5-3 lb. in.
2.5-4 lb. in.
2.5-5 lb. in.
4.5-7 lb. in.
3.5-7 lb. in.
0.25-3 oz. in.
1-6 oz. in.
Rotation
(±5°)
300°
300°
300°
300°
300°
300°
310°
320°
325°
335°
300°
300°
• Models H, J, G, and K also available in enclosed versions.
• See Catalog #203 for complete details.
Made-to-order rheostats available: Contact nearest Ohmite sales office.
44
Ohmite Manufacturing
Company
3601 Howard St.
Skokie, Illinois 60076
Tel. 847/675-2600
Fax 847/675-1505
Website: www.ohmite.com
E-mail: ohmite@wwa.com
ETC [ ETC ]
