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REL250E

Description
Rheostats 12.5watt 250ohm 305V Locking Shaft
CategoryPassive components    The resistor   
File Size474KB,3 Pages
ManufacturerOhmite
Websitehttps://www.ohmite.com
Environmental Compliance
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REL250E Overview

Rheostats 12.5watt 250ohm 305V Locking Shaft

REL250E Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerOhmite
package instructionPanel Mount,
Reach Compliance Codeunknown
Actuator directionHORIZONTAL
Actuator typeSHAFT
structureOpen Core
gang number1
Installation featuresPANEL MOUNT
Number of terminals3
number of turns1
Package diameter22.23 mm
Package length17.46 mm
Package shapeCIRCULAR PACKAGE
Package formPanel Mount
Rated power dissipation(P)12.5 W
resistance250 Ω
resistance lawLINEAR
Resistor typePOTENTIOMETER
rotation angle300 deg
surface mountNO
technologyWIRE WOUND
Terminal shapeLUG
Tolerance10%
Rheostats
(Potentiometers) Wirewound
Model C
• See Catalog #203 for complete details.
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°)
C RCS/RCL 7.5 10.0-5K
enclosed
305
0.875/22.23
0.515/ 13.08
0.25-3 oz. in. 300°
0.531"
13.49 mm
Locking
shaft
0.25"
6.4 mm
D
B
0.625"
0.625"
15.88 mm 15.88 mm
Mounting:
Panels
to 0.125" (3.18mm)
thick with
1
/
4
-32
bushing and hex
nut (
1
/
16
" thick).
0.125"
3.18 mm
0.25"
6.4 mm
0.25"
6.4 mm
0.109"
2.78 mm
Standard
shaft
Model e
• See Catalog #203 for complete details.
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°)
E RES/REL 12.5 1.0-15K open
305
0.688/17.46
0.875/ 22.23 0.594/15.08 1-6 oz. in.
300°
E
REE
12.5 1.0-15K
enclosed
305
1.219/30.96
1.047/ 26.59
1-6 oz. in.
300°
unenclosed
D
0.25"
6.35 mm
0.625"
15.88 mm
0.531"
shaft
13.49 mm
locking
nut
0.125"
3.18 mm
B
Mounting:
Panels to
0.125" (3.18mm) thick
with
1
/
4
-32 bushing and
hex nut (
1
/
16
" thick).
standard
shaft
0.25"
6.35 mm
enclosed
C
0.078"
1.98 mm
0.406"
10.32 mm
D
REL
locking
shaft
0.094"
2.38 mm
Dimensions for reference only; consult factory for details.
B
Since all rheostats/potentiometers are electro-mechanical devices, they are subject to mechanical wear and, therefore, have a finite life.
Models H, J, K, L and N are listed under UL File No. E-10946 and CSA File No. 21309 unless noted otherwise.
All rheostats are 10% tolerance.
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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