2
2-17 Model 400 Series
MODEL STYLES
Model # Body Style Termination Style Weight (grams)
423 Round Wire Leads 28 + (16 x mechanical travel)
424 Round Gold Plated Terminals 28 + (16 x mechanical travel)
432 Round with Mounting Flange Wire Leads 38 + (16 x mechanical travel)
434 Round with Mounting Flange Gold Plated Terminals 38 + (16 x mechanical travel)
472 Rectangular Wire Leads 21 + (12 x mechanical travel)
474 Rectangular Gold Plated Terminals 21 + (12 x mechanical travel)
482 Rectangular with Mounting Flange Wire Leads 23 + (12 x mechanical travel)
484 Rectangular with Mounting Flange Gold Plated Terminals 23 + (12 x mechanical travel)
MODEL 400 SERIES
Linear Actuation
Conductive Plastic
Precision Potentiometer /
Position Sensor
ELECTRICAL
Resistance Range, Ohms See Table 1
Standard Resistance Tolerance ±10%
Minimum Practical Resistance Tolerance ±5%
Independent Linearity See Table 1
Minimum Practical Independent Linearity See Table 1
Input Voltage, Maximum 400Vdc, but not to exceed power rating
Power Rating, Watts See Table 1
Dielectric Strength 1,000V rms
Insulation Resistance, Minimum 1,000 Megohms
Output Smoothness, Maximum 0.1% at 10” to 18”/ Minute
Actual Electrical Travel, Nominal See Table 1
Electrical Continuity Travel, Minimum Within Mechanical Travel
Resolution Essentially infinite
Temperature Coefficient* –800 ppm/°C
Specifications subject to change without notice.
*Special tempco available to ±100ppm/°C.
2-18 Model 400 Series
MECHANICAL
Total Mechanical Travel See Table 1
Actuating Force, Maximum 10 oz.
Shaft Rotation Continuous
Backlash, Maximum .003”
Static Stop Strength 10 lb.
TABLE 1
Electrical Travel, Inches 0.5” 1.0” 2.0” 3.0”
(Ordering #) (-050) (-100) (-200) (-300)
Standard Resistance Range, Ohms 1K to 150K 2K to 300K 4K to 600K 8K to 900K
Standard Independent Linearity ±1.0% ±0.75% ±0.5% ±0.5%
Minimum Practical Independent Linearity 0.5% 0.25% 0.25% 0.25%
Power Rating, Watts 0.5 0.75 1.0 1.5
Mechanical Travel, Inches 0.6” 1.1” 2.1” 3.1”
Electrical Travel, Inches 4.0” 5.0” 6.0”
(Ordering #) (-400) (-500) (-600)
Standard Resistance Range, Ohms 1.2K to 1Meg 1.5K to 1.3Meg 2K to 1.5Meg
Standard Independent Linearity ±0.5% ±0.5% ±0.25%
Minimum Practical Independent Linearity 0.25% 0.25% 0.15%
Power Rating, Watts 2.0 2.5 3.0
Mechanical Travel, Inches 4.1” 5.1” 6.1”
CIRCUIT DIAGRAM
Green
Brown (if req'd.)
Yellow
Red
Single
Section
Dual
Section
(if req'd.)
White/Red
White/Yellow
White/Brn (if req'd.)
White/Green
Shaft
Extend
ENVIRONMENTAL (MIL-R-39023)
Operating Temperature Range Static: –55°C to +125°C
Dynamic: –40°C to +125°C
Load Life 10 mil. shaft actuations (10% ∆R)
2
2-19 Model 400 Series
OUTLINE DIMENSIONS (Inch)
Model
Number
Elect. Travel
Inch ±.015
Mech. Travel
Inch ±.030
Dim “L”
Inch ±.030
Dim “M43”
Inch ±.020
Dim “M48”
Inch ±.020
4XX-050
4XX-100
4XX-200
4XX-300
4XX-400
4XX-500
4XX-600
.500 .560 1.500 1.188 1.750
1.000 1.060 2.000 1.688 2.250
2.000 2.060 3.000 2.688 3.250
3.000 3.060 4.000 3.688 4.250
4.000 4.100 5.000 4.688 5.250
5.000 5.100 6.000 5.688 6.250
6.000 6.100 7.000 6.688 7.250
Notes:
•The dimensions for “Wire Lead” models are the same as the
“Terminal” models, except as indicated.
•Housing, Brackets and Caps: Aluminum (Anodized).
•Wire Leads: #26 lead wire, 12 inch minimum length
(Meets MIL-W-16878C).
•* Dual Sections and Center Tap are available on special order only.
•Shafts: Stainless Steel (Passivated). Chamfer is .015 x 45°.
** Diameter is .1248
•Unspecified Tolerance: ± .005.
Wire Leads
Dual*
Section
Single
Section
Dual*
Section
Single
Section
"L" ±.030
.200 Max.
Solderable
Terminals
1.000±.030
(Fully
Retracted)
.1248 Dia.**
..750 Dia.
+.002
-.006
Terminals for Dual*
Section (if required)
Mounting Hole
.188 Dia. (Typ. 4 Plcs.)
Solderable
Terminals
"L" ± .030
.745 Dia.
1.000±.030
(Fully
Retracted)
.1248
Dia.**
.188 Typ.
"M43" ± .020
1.150Max.
.885
Max.
.890
Max.
.4371.500
Wire Leads
Lead Wires for Dual*
Section (if required)
WIRE LEAD MODEL TERMINAL MODEL
WIRE LEAD MODEL TERMINAL MODEL
Model 423 Model 424
Model 434
Model 432
Dual*
Section
Single
Section
1.030
Max.
.500
.625
"L" ± .030 1.000±.030
(Fully
Retracted)
.1248 Dia.**
Solderable
Terminals
Wire Leads
Dual*
Section
Single
Section
Model 474
Model 472
WIRE LEAD MODEL TERMINAL MODEL
Dual*
Section
Single
Section
.531
.375±.010
.1248
Dia.
1.000±.030
(Fully
Retracted)
"L" ± .030
Solderable
Terminals
.250 Typ.
Mounting Hole .136 Dia.(Typ. 4 Plcs.)
"M48" ± .020
.500
.625
.281
1.030
Max.
Wire Leads
Dual*
Section
Single
Section
Model 484
Model 482
WIRE LEAD MODEL TERMINAL MODEL
+.0000
- .0003
Model 400 Series
2-20
ORDERING INFORMATION
423 600 R 10K T5 L.25 XX
Model Series
Electrical Travel
Resistance Prefix
Resistance Value
Optional Special
Feature Code(s)
Linearity
Optional
Non-Standard Tolerance
SPECIAL FEATURE CODES
Center Tap CT
Linearity Tape LT
Two Gangs (Dual Section) 2G
