Rheostat and
Tap Switch Hardware
Knobs, Dials, Mounting Fasteners
rhEostat tanDEM couPling Kits
Knobs
Finger grip
with pointer
Finger grip
without pointer
handwheel
with pointer
handwheel
without pointer
Finger grip
Any knob can be used with any rheostat and tap switch model
which has the corresponding shaft diameter. Knobs are fas-
tened to shafts with slotted set screws.
slotted hex socket
set screw set socket
5102
—
5103
5103A
5104
5104A
5105
—
5106
5106A
5107
—
5109
5109A
5110
5110A
5111
5111A
5112
5112A
5150
5150A
5151
—
—
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
”
3
1
/
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
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.
6532
6533
6591
Front mount models
H, J
G, K, L
E
rear mount models
H, J, G, K, L
H, J, G, K, L
E
Max. panel thickness
5
/
32
”
1
/
8
”
1
/
16
”
rhEostat rEPair Kits
Dials
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 resistance in circuit are marked from 0 to 100. On tap
switch dials, Number of dial positions are identical with number
of switch positions.
Electrical contact replacement kit. Kit
includes contact/slip ring assemblies (for
round and ribbon wire rheostats), copper
graphite washer, spring arm and hub.
Instructions included.
Part no.
7070
7071
7072
7074
rheostat model
P
N
R
U
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
For
rheostats
For tap
switches
= Standard values
= Non-standard values subject to minimum handling charge per item
Part no.
For model
5007
C, E
5000
H, J, G, K, L
5001
P, N, R, U
5002-*
111, 212 (single), 312 (single)
5003-*
212 (tandem), 312 (tandem), 412
5004-*
608
* Specify number of positions as suffix.
For knob
5151
5150, 5116, 5103
5104, 5106
5109, 5116, 5150
5111, 5152A
5104
Dial dia.
1
1
/
4
”
2
3
/
16
”
5
1
/
2
”
2
3
/
4
”
3
3
/
4
”
5
1
/
2
”
82
Ohmite Mfg. Co.
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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