Wirewound Rheostat/Potentiometer

RT55

Vishay Sfernice

www.vishay.com

For technical questions, contact: sfer@vishay.com

Document Number: 50027

85

Revision: 24-Sep-08

FEATURES

• 55 W at 25 °C

• 40 W at 25 °C

• CCTU 05-03B (PA3)

DIMENSIONS in millimeters

MECHANICAL SPECIFICATIONS

Mechanical Protection

Vitreous

Mechanical Travel

300° ± 5°

Operating Torque

2 to 15 Ncm

End Stop Torque

100 Ncm

Unit Weight

175 g

ENVIRONMENTAL SPECIFICATIONS

Temperature Range

- 55 °C + 320 °C

Climatic Category

CCTU 454

CEI 55/200/56

ADAPTATION BOARD

PANEL CUT OUT DETAILS

PANEL CUT OUT DETAILS

RT55-PA3

7.6

Ø 10.5

2 holes Ø 5

23.5

23.5

Ø 4.5

12.5 ± 0.5

Ø 10.5

Ø 6 - 0.05

38

60 ± 2.5

60°

Screw M3

36

4

- 0

M10 x 0.75

9 ± 1

15

AS

39

25 ± 2

Mounting side

ELECTRICAL SPECIFICATIONS

Ohmic Range

1

Ω to 10 kΩ

Tolerance Standard

± 10 %

Power Rating

55 W at 25 °C

Variation Law

Standard

linear

On request

sectorial winding

Limiting Element Voltage

500 V (linear Law)

Dielectric Strength

Insulation Resistance

Ω (500 V