elcon changeover switches proven over decades · technical specifications ref standard is 13947-3...

There's always a better way

LOAD

ELCON Changeover Switches...

Proven over decades

L.T. SWITCHGEARS

400

1 00A0s ngl dlei e han

chan ov r w chge e s it

wne2 A 200 & 50An si e I m t compacti z - os

On Load Changeover Switches

L.T. SWITCHGEARS

ELCON is the Pioneer Brand in

Changeover Switches in India.

Elcon switchgear range covers....

• On Load Changeover Switches

• Fuse Combination Units

• Switchfuse Units

• Fuse Links and Fuse Bases

• Switch Disconnector/Isolators

Changeover Switches are widely

used to Switch over from electricity

supply to stand-by supply, hence

ensuring power continuity. Due to

its application, reliability is the most

important factor. Changeover

Switch has to operate when it is

r e q u i r e d m o s t ! A r e l i a b l e

changeover switch can save

otherwise probable process losses.

Elcon Changeover switches meet

this criteria perfectly and is proven

over decades.

Application areas:

• Airports

• Hotel / Hospitals

• Steel and Cement Plants

• Industrial Manufacturing Units

• Major Commercial Complexes

• Telecom Sector

• Chemical / Pharma industry

E l c o n c h a n g e o v e r s w i t c h e s

incorporate simple, yet strong and

quick make / break spring operated

mechanism, which makes operation

very easy for the operator.

FEATURES• Wide range from 32A-3150A in

3P, TPN & 4P version.• Compact and elegant.• Suitable for AC 23A duty.• High thermal capacity and

reliability.• Fool proof, easy to operate

design. Minimum torque requirement.

• High short circuit fused current withstand capacity of the order of 80kArms..

• Pad-lockable handle in 'OFF' position can also offer the same in 'ON' position on request.

• Interlock defeat facility. • Available in open execution as

well as in sheet steel (SS)enclosure.

• 2NO.2NCAuxiliary contactscan be offered for 125A-3150A.

Normal Service Conditions :-5°C to 45°C Operating temperature range :

oNo derating upto +55 C

A high mechanical and electrical endurance is assured through the u s e o f s i m p l e a n d r o b u s t mechanism. Several improvements have been incorporated over the years to make the product suitable for working under Indian climatic conditions. Products pass through stringent quality control checks at every stage of manufacturing which ensures reliability.

Type CSH (32A - 63A)DUCO

Type CSH (125A - 800A)DUMECO

Type CS(125A - 1000A)

DUMECO

Type QNA (1000A - 3150A)

PAMECO

Technical Specifications Ref standard IS 13947-3

On Load Changeover Switch Type CS

Type CS (Double handle operated)

Thermal current (Ithe)

Rating operational current

Rated Duty

Utilization Category at 415V AC

Insulation Voltage

Rated operational voltage

Rated making capacity

Rated breaking capacity

Rated short time withstand capacity rms (1s)

Dielectric strength (at 50Hz for 1min)

Min. enclose dim. is SS (HxWxD) in

mm horizontal version)

Weight (kg)

125A

125A

200A

200A

250A

250A

320A

320A

400A

400A

630A

630A

800A

800A

Uninterrupted

1000 V

10 13 13 14 41 43 46

1000A 1600A 2000A 2560A 3200A 5040A 6400A

5KA 7.5KA 7.5KA 10KA 10KA 12KA 12KA

5KV 5KV 5KV 8KV 8KV 8KV 8KV

1250A 2000A 2500A 3200A 4000A 6300A 8000A

DUMECO

415 V 415 V 415 V 415 V 415 V 415 V 415 V

AC 23-A

470 x 500 x 300 650 x 700 x 350

32A

32A

63A

63A

125A

125A

200A

200A

1 1 5.5 7.25

256A 504A 1000A

1KA 1.5KA 5KA

5KV 5KV 5KV

Type CSH (Single handle operated)


Rating operational current

Rated Duty


Insulation Voltage






Min. enclosure dimn. is SS (HxWxD) in

mm horizontal version)

Weight (kg)

250A

250A

320A

320A

400A

400A

630A

630A

800A

800A

Uninterrupted

1000 V

7.5 8 24 24 25

1600A 2000A 2560A 3200A 5040A 6400A

7.5KA 7.5KA

5KV 5KV 8KV 8KV 8KV 8KV

On Load Changeover Switch Type CSH

320A 630A 1250A 2000A 2500A 3200A 4000A 6300A 8000A

DUCO DUMECO

415 V 415 V 415 V 415 V 415 V 415 V 415 V 415 V 415 V

10KA 10KA 12KA 12KA

AC 23-A

210 x 250 x 250 315 x 450 x 350 1300 x 1500 x 600

On Load Changeover Switch Type QNA

1000A

1000A

1250A

1250A

1600A

1600A

2000A

2000A

2500A

2500A

3000A

3000A

Uninterrupted

1000 V

88 88 90 93 110 110

10000A 12500A 16000A 20000A 25000A 30000A

8KV 8KV 8KV 8KV 8KV 8KV

Type QNA (Double handle operated)


Rated operational current

Rated Duty


Insulation Voltage






Weight (kg)

8000A

50KA

10000A

50KA

12800A

50KA

16000A

50KA

20000A

50KA

24000A

50KA

PAMECO

415V 415V 415V 415V 415V 415 V

AC 23-A

CSH DUMECO Changeover Switches (Single handle operated)

In open execution

CSH DUCO Changeover Switches (Single handle operated)

32A-63A In open execution

• Switch Mounting Dimension.

� All dimensions mentioned above are for 4 pole changeover switches.

RATINGS

1000 A

800 A

630 A

400 A

A

345

345

345

345

NEW CAT. NO.CSHIII41000

CSHIII4800

CSHIII4630

CSHIII4400

CSHII4320

CSHII4250

CSHI4250

CSHI4200

CSHI4160

CSHI4125

III

II

I

B

110

110

110

110

C

110

110

110

110

D

315

315

315

315

E

97.5

97.5

97.5

97.5

F

97.5

97.5

97.5

97.5

G

275

275

275

275

H

54.5

54.5

54.5

54.5

J

132

-

124

124

K

162

-

159

159

K1

188

-

159

159

M

213

213

184

179

N

43

43

43

43

P

70

70

70

70

R

40

35

35

35

T

12

8

8

8

U

88

84

84

84

V

182

180

180

180

W

310.5

310.5

310.5

310.5

ØY

14.5

10.5

14.5

14.5

M1

187

187

184

179

Z

157

157

149

144

320 A

250 A

250 A

200 A

160 A

125 A

245

245

104

104

81

81

220

220

91.5

91.5

68.5

68.5

217

217

52

52

81.5

81.5

104

104

104

104

119.5

119.5

20.5

25.5

56.5

55

35

30

4

4

82

82

140

140

222.5

222.5

10.5

10.5

119.5

119.5

97

97

88.5

88.5

88.5

69.5

103.5

103.5

103.5

87.5

9

9

9

8.5

198.5

198.5

198.5

198.5

137

136

136

136

82

82

82

81

5

4

4

3

25

25

25

20

40

40

40

40

33

33

33

33

98

98

98

87.5

82.5

82.5

82.5

77.5

90.5

90.5

90.5

77.5

72.5

72.5

72.5

59.5

52

52

52

52

217

217

217

217

60

60

60

60

79.5

79.5

79.5

79.5

196

196

196

196

72.5

72.5

72.5

72.5

92

92

92

92

221

221

221

221

FRAME SIZE

Dimensions in mm

M6

x12.5

mm

Ch.hd

screwfor

allterminal

Ø6x2

nos.M

ounting

holes

Ø7

M6

R1

Y1N11

814

14

18

*S

witch

mounting

dimension

19.5 16 16 16

85

161

205

B1

N2

B2

Y2

B2

90

10

56

52

62

81

90

Handle

ondoor

arrangement

(Optional)

Door

cutoutsdetails

62.5

Ø5

x4nos.

Ø22

62.5

Door

56

90

15

20 20

35

78

78

Ø 6 x 4 nos.

Ø 30

COMMON SIDE

Ø YN

R

P

M 1K

MK

Ø 9.5

D

AGH

SOURCE II

SOURCE I

z

T

V

U

BE

CF

W

PP

J

CS DUMECO Changeover Switches (Double handle operated)

In open execution

T

V F

H

10

Z1

C

10

G

JT1

Door

Handle on door

arrangement

Change over switch

A

DD1

10

10

WLK

UK1

UK

LPX

S

B

R N N NL L

YQ

B

Door cutout detailsRating

125 to 300A400 to 800A

A182.578

B1Ø 21Ø 50

C14x154x15

D148.25

58

D1107.6160

B1

Door cutout with Defeat lock

D1Ø10

7.6

A1

A1 C1

MS

19.2

5

Bottom terminal

details for 800A.

1535

20

20

(Q)

2xØ10.5(W)

2xØ10.5(R)

35

15

20

(P)

Bak

elite

body

70

MS

Top terminal details

for 800A.

20

RATINGS

800A

630A

400A

300A

200A

125A

A

590

590

590

420

420

420

B

502.5

502.5

502.5

307

300

300

C

440

440

440

285

285

285

D

227

227

227

204

204

204

E

300

300

300

215

215

215

F

192

192

192

150

150

150

G

195

195

195

145

145

145

H

83

83

83

65

65

65

J

127

127

127

93

93

93

K

70

70

70

50

50

40

K1

90

90

90

65

65

95

L

35

35

35

25

25

20

M

40

35

35

25

25

20

N

82

82

82

70

58.3

58.3

P

*

35

30

12.5

12.5

10

Q

30

30

15

15

15

R

Ø16

Ø12.5

Ø10.5

Ø10.5

Ø10.5

S

275

275

275

174

174

174

T

8

8

8

4

4

3

T1

10

8

7

6

5

5

U

282.5

282.5

282.5

152

152

152

V

178

178

178

136

136

136

W

*

Ø16

Ø12.5

M-10

M-10

M-8

X

157

152

147

87

80

67.5

X1

120

120

120

85

85

76

YX

6xØ85

6xØ85

6xØ85

6xØ85

6xØ85

6xØ85

Z

243

243

243

155

155

155

Door Interlock assembly for CSH Changeover Switches

S. No.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

Description

Switch Shaft

Adjusting pipe assembly

H.O.D. Plate assembly

Pad locking piece

Door

Flange

Flange Fixing screw

Pad locking strip

Operating handle

Handle fixing screw

Indicator

Qty.

1

1

1

3

1

4

1

1

1

1


Dimensions in mm

ON LOAD Changeover Switch - Type QNA (Vertical) in Open Execution


QNA PAMECO Changeover Switches (Double handle operated)

RATINGS

3150

2500A

2000A

1600A

1250A

1000A

A

520

508

430

390

430

390

B

460

436

360

330

360

330

C

180

180

151

151

151

151

D

73

73

118

118

120

120

E

470

470

452

452

452

452

F

1220

1220

1044

1044

1044

1044

G

590

590

502

502

502

502

H

1280

1280

1104

1104

1104

1104

J

157

105

95

95

95

95

K

50

275

217

217

217

217

L

80

65

50

50

50

50

M

25

25

16

16

12

12

N

20

37

35

30

35

30

P

40

34

35

-

35

-

P

Ø 13

Ø 13

Ø 15

Ø 18

Ø 15

Ø 15

In open execution

Notes:

1) Mechanical interlock allows

closing of any one switch at a

time. Both Switches can remain

OFF at a time

2) Handle on door Mechanism will

be provided Auxiliary conts.

(2NO+2NC) can be provided

(Optional)

77.5

77.5

4Nos x M4

for flonge

M4

Ø38.5

28

28

L34

P

N

B

4 Nos.-QTerminal details

for 1250A & 2000A

Terminal details

for 1000A

2 Nos

Q

P

N

B

N

B

Q

LL15

F

GN

A B

J KH

L G

MZ Channel

40 x 30 x 3mm

4 Nos -Ø17 Hole

for unit mounting

Mfg. surface

PamecoSwitch

Aux.contacts Door

MD

E ± 2mm

32

9

48

5

92

5

Dimensions in mm

ON-LOAD Changeover S.F.U. - Type CSH

In open execution

RATING

200 A

320 A

400 A

630 A

Z

87.5

100

100

105

A

335

335

397

397

B

140

140

180

180

C

82

82

80

80

D

4

4

8

8

E

241.5

253.5

303

327

G

124

124

160

160

H

245

245

345

345

I

70.5

60.5

73

73

J

50

56.5

70

70

L

75

81.5

124

124

M

101

104

159

159

N

117

119.5

179

184

P

42.5

42.5

54.5

54.5

R

490

500

630

645

S

305

305

395

395

T

26

30

30

40

U

55.5

52

58

58

V

65

65

85

85

X

10.5

10.5

14.5

14.5

Y

470

480

610

625

K

25

35

35

35

125A to 630A ONLOAD Changeover S.F.U. in S.S. Enclosure Type CS

A

E

B

D

ØG

F*

R

C20

HG

P

N

L

J K

M

RATINGS

400/630

200/300A

125A

A

950

700

700

B

700

500

500

C

320

295

295

D

300

215

215

E

220

165

208

F

840

640

640

G

640

440

440

H

670

470

470

J

270

245

245

K

250

225

225

L

650

450

450

M

150

125

125

N

400

250

250

P

M8

M8

M8

Q

12

12

12

R

369

353

353

ON-LOAD Changeover Switch Fuse Unit - Type CS

In open execution

RATING

125 A

200 A

300 A

400 A

630 A

A

420

420

420

590

590

B

352

454

476

642

657

C

360

474

474

650

650

D

204

204

204

227

227

E

263

263

263

293

293

E1

107.5

107.5

107.5

150

150

F

76

80

87

147

152

G

145

145

145

195

195

H

65

65

65

83

83

J

95

95

95

129

129

K

40

50

50

70

70

K1

95

65

65

90

90

L

20

25

25

35

35

M

220

25

25

35

35

N

58

70

70

82

82

P

10

12.5

12.5

30

35

Q

9.5

12.5

15

15

20

R

Ø 8

Ø 11.5

Ø 14

Ø 14

Ø 18

S

224

274

274

380

380

T

3

4

4

8

8

T1

2

2

2.5

2.5

3

U

9.5

27.5

15

50

45

V

76

85

85

120

120

W

M 8

M 10

M 10

Ø 12.5

Ø 16

X

25

26

30

30

40

Y

315

420

420

630

630

Rating

200 / 300A

400 / 630A

A1

62.5

78

B1

Ø21

Ø30

C1

4xØ5

4xØ6

D1

48.25

56

Door Cutout Details

K K K K1 K K K

Ø10x6nos.mtg.hole

10

HL

E1 E1 W ED

PT DOOR

VF

B

SQ

10

X RN N

A

N

M10

U T1

G

J A1

C1

A1 B1

D1

Ø1

0M

319.25

75

Y C


Dimensions in mm

Dimensions in mm

Dimensions in mm

There's always a better way

Corporate Office:

203/204, 2nd Floor, Shreya House,

Off Andheri Kurla Road,

301/A, Parera Hill Road.

Andheri (East), Mumbai - 400099

Tel.: +91-22-5695 2666

Telefax: +91-22-5693 4988

E-mail : [email protected]

Regional Sales Office :

Rakhial Road, Ahmedabad - 380 023

Tel. : +91-79-2273 2161

Fax : +91-79-2277 5077

E-mail: [email protected]

21/2 E.A.T. Street, 2nd Floor,

Gandhi Bazar, Basavanagudi,

Bangalore - 560 004.

Tel.: (080) 2660 4690

Telefax: (080) 2661 0670


F2, 1st Floor, Pragadeeswara Apt.

No. 51 & 52, 1st Main Road,

West CIT Nagar,

Chennai - 600 035.

Tel.: (044) 2435 7935

Telefax: (044) 24357936


S-468 Greater Kailash-II,

New Delhi - 110 048.

Tel.: (011) 2621 7627/5163 0634/35

Fax: (011) 2621 7808


Sree Rama Bhavanamu,

10-2-233, 1st Floor, Rd. No. 5,

Plot No. 176, West Mareedpally,

Hyderabad - 500 026.

Tel.: (040) 2789 0678/5531 2732

Telefax: (040) 5532 0192


Resident Representatives at :

BARODA, CHANDIGARH, JAIPUR, PUNE

ONLOAD Changeover S.F.U. in S.S. Enclosure - Type CSH

RATINGS

800A

630A

300/400A

250A

200A

A

482

458

368

368

272

B

430

430

360

360

310

C

408

408

352

352

352

D

352

352

282

282

232

E

264

251

184

184

148

F

412

388

298

298

202

G

360

360

290

290

240

H

406

406

336

336

286

J

253

253

197

197

197

K

273

273

217

217

217

L

380

380

310

310

260

M

500

500

407

407

407

N

280

280

240

240

210

P

299

299

243

243

243

R

M8

M8

M8

M8

M8

Ordering data for 4 pole changeover switches in open execution

All information provided above is in good

faith. GERARD Electric Shall not be liable

for any damage arising out of incorrect use

and/or interpretation. The company

reserves the right to change any of the

above specifications without any prior

notice


Current Rating

A

DUCO/DUMECOCSH range

(Single handle)

DUMECOCS range

(Double handle)

PAMECOHorizontal

(Double handle)

PAMECOVertical

(Double handle)

32

63

125

160

200

250

250

320

400

630

800

1000

1250

1600

2000

2500

3000

-

-

CSHI4125

CSHI4160

CSHI4200

CSHI4250

CSHII4250

CSHII4320

CSHIII4400

CSHIII4630

CSHIII4800

CSHIII41000

-

-

-

-

-

-

-

CS4125

CS4160

CS4200

CS4250

CS4320

CS4400

CS4630

CS4800

CS41000

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

QNA41000/H

QNA41250/H

QNA41600/H

QNA42000/H

QNA42500/H

QNA43000/H

-

-

-

-

-

-

-

-

-

-

-

QNA41000/V

QNA41250/V

QNA41600/V

QNA42000/V

QNA42500/V

QNA43000/V

• Pl. refer our price list for Ordering C/o Switches in SS enclosure.• For 200A & 250A size II C/o switches ordering no. pl. refer back to us.

Gerard Electric India Pvt.Ltd., is a part of the Australia based Gerard Corporation Group and

offers diverse electric products including LV Switchgear, MCBs, RCDs, Distribution Boxes,

Conduit Fittings & Pipes, Ventilation products, Wires and cables.

elcon changeover switches proven over decades · technical specifications ref standard is 13947-3...

Documents