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85

RT55, RTE55

Vishay Sfernice

Document Number: 50027

Revision 27-Jun-02

For technical questions, contact sfer@vishay.com

Wirewound Rheostat/Potentiometer

FEATURES

• 55 Watt at 25°C

• 40 Watt at 25°C

• CCTU 05-03B (PA3)

ADAPTATION BOARD

PANEL CUT OUT DETAILS

PANEL CUT OUT DETAILS

RT55-PA3

MECHANICAL SPECIFICATIONS

Mechanical Protection

RT55 vitreous

RTE55 lacquered

Mechanical Travel

300° ± 5°

Operating Torque

2 to 15 Ncm

End Stop Torque

100 Ncm

Unit Weight

175 g

ENVIRONMENTAL SPECIFICATIONS

Temperature Range

RT55 – 55°C + 320°C

RTE55 – 55°C + 220°C

Climatic Category

CCTU 454

CEI 55/200/56

ELECTRICAL SPECIFICATIONS

Ohmic Range

RT55

1

Ω to 10kΩ

RTE55

> 10k

Ω to 28kΩ

Tolerance Standard

± 10%

Power Rating

RT55

55 W at 25°C

RTE55

40 W at 25°C

Variation Law

Standard

linear

On request

sectorial winding

Limiting Element Voltage

500V (linear Law)

Dielectric Strength

1000VRMS

Insulation Resistance

10

Ω(500Vcc)

7.6

Ø 10.5

2 holes Ø 5

23.5

23.5

Ø 4.5

12.5 ± 0.5

Ø 10.5

DIMENSIONS in millimeters

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