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Home » Products » Wire Wound Resistors » Rheostats Open Round Single Tube

Rheostats Open Round Single Tube

Rheostats Open Round Single Tube
Rheostats Open Round Single Tube
Product Code : RORST-11
Brand Name : LAKSHMI TRADERS
Product Description

Incepted in 1989, we are the profound name in the market engrossed in providing Rheostats Open Round Single Tube. The provided rheostats are manufactured with optimum precision by utilizing supreme quality components at sound production unit. These rheostats are widely used to lower down or raise the resistance of a circuit in hassle free manner. Also, the provided Rheostats Open Round Single Tube can be purchased from us in varied technical specifications at the most affordable rate.

Features:

  • Reliable functionality
  • Compact size
  • Easy to operate
  • High voltage protection


Features :

  • A wide range of Rheostat are available from 0.1 amp. to 200 amp.x
  • Values from 0.5 ohms to 12000 ohms.
  • Customized designing available on request.
  • Higher wattage resistors for special applications can be made.

Rheostats :

  • Open / Covered / GRADED /
  • L.S.M.-Lead Screw Motion
  • Range : 0.5 ohms - 12000 ohms
  • Power : 0.1 Amp - 200 Amp

Selection Table available for Reference.

STEAD Brand Wirewound Sliding Rheostats are spaced wound with best quality Cu/Ni or Ni/Cr Alloy Resistance Wire having very low temp. Co-efficient and wire is protected with high temp. Resistance Compound. The winding is done on vitreous enameled drawn steel tubes, fitted with aluminium die casted stands/fabricated steel stands. Phosphor Bronze or Self Lubricating Copper Graphite Contacts are fitted on brass slider, Slides on solid drawn brass rods.

TYPES OF WINDINGS

  • Straight Winding
  • Graded Winding
  • Non-Inductive Winding

Types of Rheostats

No. of Tubes

Types of Operation

Types of Cooling

1. Open

1. Single

1. Sliding

1. Natural

2. Perforated

2. Double

2. Gear

2. Forced Air

3. Lead Screw Motion

3. Multiple

3. Power

3. Oil Cooled

Standard Tolerance + 10% but closer tolerance can also be supplied on request :

TYPE OF MOUNTING

INSULATION TEST

Front of Panel Mounting

2000 Volts AC

Back of Panel Mounting



MODEL No.

ROUND TUBE

MODEL No.

HEXAGONAL TUBE

Single Tube

Double Tube

Tube Dia. Cm.

Min. Length cm.

Max. Length cm.

Tube Dia. cm.

Min. Length cm.

Max Length cm.

SOR-1
SOR-2


DOR-S-1
DOR-S-2
DOR-S-3

4.3 (1-3/4")
6.2 (2-1/2")
10 (4")
15 (6")

15
15
40
50

60
60
80
100

SOH-1 3.7 (1-1/2")
SOH-2 2 5.1 (2")
SOH-3 (2-1/2")

15
20
35

30
50
50

Special Features :

  • FORMER - Vitreous enamelled steel tube or Vitrified Ceramic.
  • SLIDER - Pressure Die Casted Metal Slider.
  • END BRACKET - Pressure die casted Metal Stand or Steel Fabricated Stands.
  • WIRE - Cupro-Nickel Alloy / Nickel-Chromium Alloy having a negligible temperature co-efficient. Manganin Wire Wound Rheostats on request.
  • SLIDER KNOB Made of Bakelite having good finger grip.
  • 'SOR' means Single Open Round, 'DOR' means Double Open Round,
  • 'SOH' means Single Open Hexagonal, 'LSM' means Lead Screw Motion

Range In OHMS

SINGLE TUBE:DIA 3.7 CMS.(1.5)"

Length in cm.

15

20

25

30

35

40

45

50

AMPS.

OHMS

9

1.5

2.1

3

3.9

4.7

5.6

6.4

7.3

7.5

2.6

3.9

5.3

6.7

8.1

9.4

10.8

12

5.5

3.9

5.6

7.7

9.4

11.1

12.9

15.4

17.1

5

4.9

7.3

9.9

12.4

15

17.1

19.3

22

4.5

6.9

10.3

13.7

17.1

1920.6

24

28

31

4

9.4

13.7

19

23

29

33

38

43

3.2

13

19

26

32

39

45

52

58

2.8

20

30

40

49

60

69

77

86

2.3

32

47

64

79

95

110

127

141

1.8

45

64

86

107

129

150

171

193

1.6

55

82

110

137

163

189

214

249

1.4

77

116

155

193

231

270

304

339

1.2

99

150

201

240

300

347

394

441

1

137

205

275

343

411

480

549

617

0.9

171

257

343

430

515

600

686

772

0.8

231

343

465

575

686

797

917

1029

0.7

291

437

585

729

875

1011

1157

1303

0.6

342

515

685

857

1029

1200

1423

1543

0.5

454

685

910

1136

1363

1590

1817

2044

0.4

565

836

1115

1393

1672

1950

1817

2044

0.35

685

1029

1371

1715

2057

2400

2743

3086

0.3

900

1371

1845

2315

2743

3171

3600

4071

Range in Ohms.

SINGLE TUBE

TUBE IN DIA

3.7 CMS(1.5)"

5 CMS(2)"

6.3 CMS(2.5)"

Length in cm.

15

20

25

30

20

30

40

50

20

30

40

AMPS.

OHMS

0.3

800

1200

1650

2000

1600

2750

3900

5000

1725

2950

4250

0.6

260

400

525

650

500

850

1200

1500

550

950

1350

1.2

110

160

210

270

220

360

500

350

250

410

570

1.7

45

65

85

110

80

140

200

260

90

160

230

2.8

21

32

43

55

40

70

100

125

45

75

110

5

7.5

11

14.5

18

15

25

35

45

17

28

40

8.5

2.6

4

5.2

6.5

6

9

12

15

7

10.5

14

12

1.2

2

2.5

3

2.4

4.2

6

7.8

2.8

4.8

7

15

0.6

0.9

1.1

1.4

1.3

2

2.7

3.4

1.5

2.4

3.3

18

0.4

0.6

0.8

1

0.8

1.4

2

2.4

0.9

1.6

2.3

Range in Ohms

SINGLE TUBE:DIA 4.3 CMS.(1.75)"

Length in cm.

15

20

25

30

35

40

45

50

AMPS.

OHMS

9

1.7

2.5

3.5

4.5

5.5

6.5

7.5

8.5

7.5

3

4.6

6.2

7.8

9.4

11

12.6

14

5.5

4.5

6.5

6.2

7.8

9.4

11

12.6

14

5

5.7

8.5

11.5

14.5

17.5

20

22.5

25

4.5

8

12

16

20

24

28

32

36

4

11

16

22

27

33

38

44

50

3.2

15

22

30

37

45

52

60

67

2.8

23

34

46

57

70

80

90

100

2.3

37

55

74

92

110

128

148

165

1.8

50

76

100

125

150

175

200

225

1.6

64

96

128

160

190

220

250

290

1.4

90

135

180

225

270

315

355

395

1.2

115

175

235

280

350

405

460

515

1

160

240

320

400

480

560

640

720

0.9

200

300

400

500

600

700

800

900

0.8

270

400

540

670

800

930

1070

1200

0.7

340

510

680

850

1020

1180

1350

1520

0.6

400

600

800

1000

1200

1400

1660

1800

0.5

530

800

1060

1325

1590

1855

2120

2385

0.4

660

975

1300

1625

1950

2275

2640

2950

0.35

800

1200

1600

2000

2400

2800

3200

3600

0.3

1050

1600

2150

2700

3200

3700

4200

4750

Range In OHMS

SINGLE TUBE:DIA 6.2 CMS.(2.5)"

Length in cm.

15

20

25

30

35

40

45

50

AMPS.

OHMS

9

2

3

4.5

5.5

7

8

9

10

7.5

3.7

5.7

7.7

9.7

11.5

13.5

15.5

17.5

5.5

5.5

8

11

14

17

20

23

26

5

6.5

10

14

17.5

21.5

25

28.5

32

4.5

10

15

20

25

30

35

40

45

4

14

20

28

34

42

48

58

65

3.2

19

28

38

48

57

66

76

86

2.8

26

41

56

71

86

100

114

128

2.3

47

70

95

110

130

160

185

210

1.8

64

96

125

160

190

225

250

290

1.6

82

120

160

200

245

285

325

360

1.4

115

170

230

290

345

400

450

500

1.2

150

225

295

365

445

520

590

675

1

200

300

400

500

600

700

800

900

0.9

250

375

500

625

750

875

1000

1125

0.8

345

510

675

835

1000

1165

1340

1500

0.7

425

635

845

1050

1260

1470

1680

1890

0.6

500

750

1000

1250

1500

1750

2000

2250

0.5

660

1000

1340

1680

2000

2350

2730

3020

0.4

840

1250

1650

2070

2500

2900

3350

3750

0.35

1000

1500

2000

2500

3000

3500

4000

4500

0.3

1300

1950

2600

3250

3900

4600

5300

6000

Range In OHMS

DUAL TUBE:DIA 6.2 CMS.(2.5)" SERIES CONNECTION

Length in cm.

15

20

25

30

35

40

45

50

AMPS.

OHMS

9

4

6

9

11

14

16

18

20

7.5

7.2

11.2

15

19.4

23

27

31

35

6.5

9.5

14

19

24

28

33

38

43

5.5

11

16

22

28

35

40

46

52

5

13

20

28

35

43

50

57

64

4.5

20

30

40

50

60

70

80

90

4

28

40

56

59

84

96

115

130

3.2

38

56

76

96

115

130

150

170

2.8

52

82

112

140

170

200

228

255

2.3

94

140

190

220

270

320

365

425

1.8

125

190

250

320

380

450

510

580

1.6

160

240

320

400

490

560

650

720

1.4

230

340

460

580

690

800

900

1000

1.1

300

450

590

730

890

1040

1180

1350

0.8

400

600

800

1000

1200

1400

1600

1800

0.7

500

750

1000

1250

1500

1750

2000

2250

0.6

690

1020

1350

1670

2000

2300

2680

3000

0.55

850

1270

1650

2100

2500

2900

3350

3750

0.5

1000

1500

2000

2500

3000

3500

4000

4500

0.45

1320

2000

2680

3360

4000

4700

5450

6140

0.4

1680

2500

3300

4100

5000

5800

6700

7560

0.35

2000

3000

4000

5000

6000

7000

8000

9000

0.3

2600

3900

5200

6500

7800

9200

10600

12000

Range In OHMS

DUAL TUBE:DIA 6.2 CMS.(2.5)" PARALLEL CONNECTION

Length in cm.

15

20

25

30

35

40

45

50

AMPS.

OHMS

50

0.11

0.17

0.23

0.3

0.35

0.4

0.47

0.55

40

0.2

0.3

0.44

0.55

0.7

0.8

0.9

1

36

0.25

0.37

0.55

0.67

0.87

1

1.1

1.25

30

0.45

0.7

0.95

1.2

1.4

1.7

1.9

2.2

22

0.65

1

1.37

1.7

2.1

2.5

2.7

3.2

20

0.8

1.2

1.75

2.2

2.8

3.2

3.6

4

18

1

1.5

2.2

2.7

3.5

4

4.5

5

15

1.8

2.8

3.8

4.8

5.8

6.8

7.8

8.7

11

2.7

4

5.5

7

8.5

10

11.5

13

9

5

7.5

10

12.5

15

17.5

20

22.5

7.5

7

10

14

17

21

24

28

32

6.5

9.5

14

19

24

28

33

38

43

5.5

13

20

27

35

42

50

55

65

4.5

23

35

47

55

65

80

90

105

3.5

32

48

60

80

95

110

125

140

3.1

40

60

80

100

120

140

165

180

2.8

55

85

115

145

170

200

225

250

2.4

75

110

145

180

220

260

290

336

2

100

150

200

250

300

350

400

450