Vishay RT230 Data Sheet / Manual
Summary
Discover the RT230 Sfernice Wirewound Rheostat/Potentiometer, a highly reliable component for critical control applications requiring precise resistance adjustment. This resource manual provides comprehensive technical specifications, detailing electrical parameters like Ohmic range and power rating, alongside detailed mechanical drawings for mounting, terminal dimensions, and accessory options. It is essential documentation for engineers, designers, and procurement specialists who need to select, integrate, or replicate this robust, variable resistor in specialized industrial equipment.
Page 1 Text Content
RT230 Vishay Sfernice
Wirewound Rheostat/Potentiometer
FEATURES • 250 Watt at 25°C • CCTU 05-03B (PA7) • Vitreous style
DIMENSIONS in millimeters
RT230-PA7 PANEL CUT OUT DETAILS
Screw M5
Ø 12 AS 2 holes Ø 5.5
Mounting side
MECHANICAL SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Mechanical Protection Vitreous
Ohmic Range 1Ω to 22kΩ
Mechanical Travel 300° ± 5°
Tolerance Standard ± 10%
Operating Torque 1 to 50 Ncm
Power Rating 250 W at 25°C
End Stop Torque 200 Ncm
Variation Law Standard linear
Unit Weight 1300 g
On request sectorial winding Limiting Element Voltage 1500V
ENVIRONMENTAL SPECIFICATIONS
Dielectric Strength 2000VRMS
Temperature Range – 55°C + 320°C
Insulation Resistance 103MΩ(500Vcc)
Climatic Category CCTU 454 CEI 55/200/56
Document Number: 50029 For technical questions, contact [email protected] www.vishay.com Revision 22-Jun-05
Page Summary Contents For Vishay RT230 Data Sheet / Manual
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 3 |
| File Size | 175.34 KB |
| Published | May 30, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What is the electrical resistance range of this rheostat?
The ohmic range is specified as 1Ω to 22kΩ.
What are the extreme operational temperature limits for use?
It has a temperature range from –55°C up to +320°C.
Does VISHAY offer customized models or features?
Yes, options include locking devices, command knobs, and special windings that require a detailed drawing for the order.
What is the required mounting torque specification?
The operating torque is rated between 1 to 50 Ncm, with an end stop torque of 200 Ncm.