Datasheet

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188
Mounting: Panels to
0.25" (6.35mm) thick
with
3
/8-32 bushing and
hex nut
(
3
/32" thick) (or with 10-32
x 0.75 flat-head screws
for model L only).
0.5"
12.7 mm
holes for:
no. 2 screws (model H)
no. 8 screws (J, G, K, L)
mounting
bracket on
model L only
1.75"
44.5 mm
D
0.25"
6.35 mm
0.031"
0.79 mm
0.344"
8.73 mm
0.031"
0.79 mm
0.063"
1.59 mm
0.375"
9.53 mm
0.875"
22.23 mm
B
C
0.75"
19.05 mm
bushing
projection
0.625"
15.88 mm
shaft
locking
nut
standard shaft
(models H, J, G, K, L)
locking shaft
(only model H
stocked)
drill 0.188" (4.76 mm)
hole in panel.
washer not included
in model L
Rheostats
(Potentiometers) Wirewound
MODELS H, J, G, K, L
MODELS P, N, R, U
Max.
Ohmic Voltage Behind panel “B" Diameter “D" Dimension “C" Shaft Rotation
Model Type Watts range Core (RMS)* (in./mm Ref.) (in./mm Ref.) (in./mm Ref.) torque (±5°)
H RHS/RHL 25 1.0-25K open 500 1.375/34.93 1.560/ 39.62 0.940/23.88 0.25-0.5 lb. in. 300°
J RJS 50 0.5-50K open 750 1.375/34.93 2.31 / 58.67 1.56 /39.62 0.25-2 lb. in. 300°
G RGS 75 0.5-50K open 900 1.750/44.45 2.75 / 69.25 1.78 /45.21 0.5-2 lb. in. 300°
K RKS 100 0.5-50K open 1000 1.750/44.45 3.125/ 79.38 1.91 /48.51 0.5-2 lb. in. 300°
L RLS 150 0.5-50K open 1200 2.000 / 50.8 4.00 /101.60 2.28 /57.91 0.5-3 lb. in. 300°
• Models H, J, G, and K also available in enclosed versions.
• See Catalog #203 for complete details.
0.375"
9.53 mm
D
M M
1
/ 4 - 20 thread for
mounting screws
0.031"
0.79 mm
2"
51 mm
B
1.563"
39.7 mm
C
holes for
no. 8 screws
Dimension “M"
P 0.875" 22.23 mm
N 1.188" 30.16 mm
R 1.5" 38.1 mm
U 3" 76.2 mm
Mounting: Panels
to 1.25" (31.75mm)
thick with
1
/4-20
flat-head screws.
Max.
Ohmic Voltage Behind panel “B" Diameter “D" Dimension “C" Shaft Rotation
Model Type Watts range Core (RMS)* (in./mm Ref.) (in./mm Ref.) (in./mm Ref.) torque (±5°)
P RPS 225 1.0-30K open 1300 2.125/53.98 5.00 /127.00 2.97 /75.44 2.5-4 lb. in. 310°
N RNS 300 1.0-50K open 1225 2.375/60.33 6.00 /152.40 3.44 /87.38 2.5-5 lb. in. 320°
R RRS 500 1.0-20K open 1450 2.125/53.98 8.00 /203.20 4.31/109.47 4.5-7 lb. in. 325°
U RUS 1000 1.0-20K open 1600 3.000 / 76.2 12.00 /304.80 6.38/162.05 3.5-7 lb. in. 335°
• See Catalog #203 for complete details.
(continued)