Rheostat and
Tap Switch Hardware
Knobs, Dials, Mounting Fasteners
KnobS
Finger grip
with pointer
Finger grip
without pointer
Slotted
set screw
Handwheel
with pointer
Handwheel
without pointer
Finger grip
Any knob can be used with any rheo-
stat and tap switch model which has
the corresponding shaft diameter.
Knobs are fastened to shafts with slot-
ted set screws.
Hex socket
set socket
—
5103A
5104A
—
5106A
—
5109A
5110A
5111A
5112A
5150A
—
5152A
Description
Bar knob, 2
1
/
4
" long
Bar knob,
1
1
/
4
"
long
Handwheel with pointer
Handwheel without pointer
Handwheel with pointer
Handwheel without pointer
Finger-grip with pointer
Finger-grip without pointer
Finger-grip with pointer
Finger-grip without pointer
Finger-grip
Finger-grip
Like 5104 (shorter pointer)
Knob
dia.
—
—
3
1
/
4
"
3
1
/
4
"
3
1
/
4
"
3
1
/
4
"
1
5
/
8
"
1
5
/
8
"
2
3
/
8
"
2
3
/
8
"
1
1
/
2
"
3
/
4
"
Hole
dia.
1
/
4
"
1
/
4
"
3
/
8
"
3
/
8
"
1
/
4
"
1
/
4
"
1
/
4
"
1
/
4
"
1
/
4
"
1
/
4
"
1
/
4
"
1
/
8
"
1
/
4
"
Fits
model
H, J, G, K, L
H, J, G, K, L
P, N, R, U
P, N, R, U
H, J, G, K, L
H, J, G, K, L
H, J, G, K, L
H, J, G, K, L
H, J, G, K, L
H, J, G, K, L
H, J, G, K, L
C, E
H, J, G, K, L
5102
5103
5104
5105
5106
5107
5109
5110
5111
5112
5150
5151
—
3
1
/
4
"
R H e o S TaT Ta n d e m c o u p l i n g K i T S
Ohmite coupling kits permit tandem mounting of two
rheostat units. A coupling fastens to the shaft of the back
unit; projections on the coupling engage the recesses in
the driving hub of the front unit.
Each kit consists of a steel “U” frame, a coupling with
set screw, mica washer, allen wrench and instructions.
Part No.
6533
6591
6532
Front mount models
G, K, L
E
H, J
Rear mount models
H, J, G, K, L
E
H, J, G, K, L
Max. panel thickness
5
/
32
"
1
/
16
"
1
/
8
"
= Standard values
= Non-standard values subject to minimum handling charge per item
192
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
(continued)
Rheostat and
Tap Switch Hardware
Knobs, Dials, Mounting Fasteners
dialS
For
rheostats
For tap
switches
Part No.
5007
5001
5000
For model
C, E
H, J, G, K, L
For knob
5151
5150, 5116, 5103
5104, 5106
5109, 5116, 5150
5111, 5152A
5104
Dial dia.
2
3
/
16
”
5
1
/
2
”
2
3
/
4
”
3
3
/
4
”
5
1
/
2
”
1
1
/
4
”
Handsomely finished, black-enameled, aluminum dials
for Ohmite rheostats and tap switches. Figures and
lines are etched on a black background for contrast
and ease of readability. On rheostat dials, divisions
indicating approximate percentage of rheostat resis-
tance in circuit are marked from 0 to 100. On tap
switch dials, Number of dial positions are identical
with number of switch positions.
5002-*
5003-*
5004-*
P, N, R, U
111, 212 (single), 312 (single)
608
212 (tandem), 312 (tandem), 412
* Specify number of positions as suffix.
R H e o S TaT R e pa i R K i T S
Electrical contact replacement
kit. Kit includes contact/slip ring
assemblies (for round and ribbon
wire rheostats), copper graph-
ite washer, spring arm and hub.
Instructions included.
Part No.
7070
7072
7071
Rheostat
model
N
P
7074
U
R
exTRa mounTing HaRdwaRe
Kit contains 25 each, nuts and lock
washers for panel mounting units.
Part No.
7090
7091
For model
E
H, J, G, K, L, 111, 212, 711
= Standard values
= Non-standard values subject to minimum handling charge per item
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
193
Analog electronics
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