Model P270/271/272
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
May 1, 2009 page 1 of 4 BI technologies
27mm Rotary Potentiometer
Long Life - 1 Million cycles
Conductive Plastic Element
Heavy Duty Applications
Sealed Unit Available
RoHS Compliant
MODEL STYLES
Panel, Solder Lugs, Single Gang P270
Panel, Solder Lugs, with Center Tap P271
Panel, Solder Lugs, Dual Gang P272
ELECTRICAL1
Resistance Range, Ohms 200-1M (for “B” taper)
1K-1M (for other tapers)
Standard Resistance Tolerance ± 10%
Residual Resistance 6 Ώ max.
Input Voltage, maximum 500 Vdc not to exceed power rating
Power rating, Watts 2 Watts @ 70°C for “B” Taper, 1 Watt for all others
Dielectric Strength 1000VAC, I minute
Insulation Resistance, Minimum 50M ohms at 500Vdc
Sliding Noise 100mV max.
Actual Electrical Travel, Nominal 300°
Electrical Continuity, Nominal 312°
MECHANICAL
Total Mechanical Travel 312°± 5°
Static Stop Strength, Maximum 200 oz-in
Rotational Torque, (Single gang) Dust Proof : 1.0.oz-in. Max. Sealed : 1.0 to 2.5 oz-in
Rotational Torque, Maximum (Dual gang) Dust Proof : 3.0.oz-in. Sealed : 5.0 oz-in
Panel Nut Tightening Torque 25 lb-in
ENVIRONMENTAL
Operating Temperature Range -55°C to +120°C
Rotational Load Life 1M Cycles (10% ΔR)
1 Specifications subject to change without notice.
Model P270/271/272
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
May 1, 2009 page 2 of 4 BI technologies
ORDERING INFORMATION2
Shaft Types
F-TYPE Shaft – Bushing Combinations
Shaft Length (L) Bushing Length (M) Flat Length (T)
(1) = .625 (1) = .250 .315
(1) = .625 (2) = .375 .180
(1) = .625 (3) = .500 Not Available
(2) = .875 (3) = .500 .315
All Other Combinations .375
STANDARD RESISTANCE VALUES, OHMS
1K 2K 5K 10K 20K 50K 100K 200K 500K 1MEG
2 Contact our customer service for custom designs and features.
P270
S P 2 2 A R100
K
Model Series Total Resistance
Shaft Type: see below Bushing Length (M)
1= .250”
2 =.375”
3 = .500”
Shaft Length (L)
1 = .625”
2 = .875”
3 = 1.000”
4 = 2.000”
Seal Type
S = Sealed
D = Dust proof
Taper
Blank = B Taper
A = A Taper
C = C Taper
Model P270/271/272
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
May 1, 2009 page 3 of 4 BI technologies
P270 (witho ut Center Tap) P271 (with Voltage Center Tap) P272 (Dual Gang)
Model 270
.562 .031
M
L
.109 .016
.250+.000
-.002
MIN.125
1.050
.875 .031
.546 .015
.125
.018 .015
.078
.047
2x20 5
.394
.158
.512
()1.4
3x
.057 x .088
SLOT
3/8-32 NEF-2A
THREAD
MARKING
PANEL LAYOUT
CIRCUIT DIAGRAM
OUTLINE DRAWING
Model P270/271/272
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
May 1, 2009 page 4 of 4 BI technologies
Model 271 (Center Tap)
MIN
.125
.250+.000
-.002
.562 .031
.109 .016
M
L
1.050
.125
.018 .015
.546 .015
.875 .031
.078
.047
.875 .031
.394
.158
.512
()1.4
PANEL LAYOUT
3/8-32 NEF-2A
THREAD
MARKING
3x
.057 x .088
SLOT
CENTER TAP
TERMINAL
Model 272 (Dual gang)
.394
2x .158
.512
.078 .010
.047
L
.562 .016
.109 .016
MIN
.125
.250 +.000
-.002
1.050 .016
.125
.018 .015
.546 .015
.875 .031
2x 20 5
M
.582
1.161±.016
()1.4
PANEL LAYOUT
3/8-32 NEF-2A
THREAD
MARKING
3x
SLOT