JEFFERSON Medium Voltage Transformers Single-Phase 3 to 167 KVA Three-Phase 15 to 300 KVA

® JEFFERSON Medium Voltage Transformers Single-Phase 3 to 167 KVA Three-Phase 15 to 300 KVA TYPICAL APPLICATIONS ■ Indoors or outdoors for: • • • • ...
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JEFFERSON Medium Voltage Transformers Single-Phase 3 to 167 KVA Three-Phase 15 to 300 KVA TYPICAL APPLICATIONS

■ Indoors or outdoors for: • • • • • •

Industrial and commercial High rise apartments Factories Offices and schools Hospitals Mass transit facilities For the name of your local representative, or for technical assistance, call

1-800-892-3755

®

Jefferson Electric

Medium Voltage Transformers features & benefits ■ Designed for lower weight and smaller size for easier handling and installation. ■ Quiet operation for more flexibility in choice of mounting locations. ■ Heavy-duty sheet metal enclosures for maximum durability in severe industrial applications. ■ NEMA Type 3R enclosures for indoor or outdoor applications. ■ Heat applied ASA-61 Gray Powder Coat Finish to resist corrosion in severe environments. ■ Large connection compartment for ease of wiring and installation. ■ Standard stub down terminations. ■ Taps provided on primary to compensate for voltage variations. ■ Cores made from high quality electrical steel for increased efficiency and lower operating costs. ■ Built in accordance with ANSI C57.12. ■ 220°C insulation system standard with 150°C temperature rise for longer, more reliable life. Low temperature 115°C and 80°C rise units also available. ■ Meets or exceeds all applicable NEMA, ANSI and OSHA requirements. ■ Made in U.S.A.

80 ®

Jefferson Electric

1-800-892-3755

MEDIUM VOLTAGE

Medium voltage dry type transformers offer an economical alternative to liquid filled designs for institutional, industrial and commercial applications. Designs are available for both indoor or outdoor applications. If necessary, Jefferson Electric will customize any of the standard models shown to meet your precise requirements.

Enclosures

Typical KVA/Voltage Ratios

• Encapsulated

• Single-Phase: 60 Hz - 150°C Rise 3-167 KVA

All 3 - 25 KVA

Any HV from 1.2 KV to 5 KV

• Ventilated Indoor/Outdoor NEMA 3R

Any LV from 120 V to 480 V

All 15 KVA - 300 KVA Bolted (knockdown) construction for easy field installation.

• Three-Phase: 60 Hz - 150°C Rise 15 - 300 KVA Any HV from 1.2 KV to 5 KV Any LV from 208 V to 480 V

Terminations

Standard Basic Impulse Levels (BIL)

• Standard stub down terminations through 300 KVA; front wiring to common terminal insulating bar.

Wiring Compartment

Voltage Class - KV

Full & Chopped Waves Crest - KV

1.2

10

5.0

30 or 60

• Spacious area for large conductor, ease of bending and termination. • Adequate room provided for specified fan cooling or future fan cooling provision with or without controls upon request. • Expanded metal bottom assures air cooling for accommodation of UL required conductor sizes. • Large permanent nameplate provided for ratings identification.

Sound Reduction • Designed for low flux density using grain-oriented silicon steel. • Core clamps properly torqued to assure quiet operation. • Designed to meet ANSI requirements for testing.

1-800-892-3755

®

Jefferson Electric

81

SINGLE-PHASE MEDIUM VOLTAGE Wall Mounting • Encapsulated • 2 Taps @ 5% (FCBN) • 115°C KVA

Case Size

3 5

PA

7.5 10 15

PB

25

Approx. Ship Wt. (lbs)

Catalog No. for 2400V Primary 120/240V Secondary

Catalog No. for 2400V Primary 240/480 Secondary

Catalog No. for 4160V Primary 120/240V Secondary

Catalog No. for 4160V Primary 240/480V Secondary

Fig.

Wiring Diagram

225-0105-000



225-0107-000



11

81A

185

225-0115-000



225-0117-000



11

81A

105

225-0135-000



225-0137-000



11

81A

135

225-0155-000

225-0156-000

225-0157-000

225-0158-000

11

81A

165

225-0165-000

225-0166-000

225-0167-000

225-0168-000

11

81A

235

225-0185-000

225-0186-000

225-0187-000

225-0188-000

11

81A

345

Approx. Ship Wt. (lbs)

Cabinet Style • 60 Hz • 5 KV Class • 4 Taps @ 21/2% (FCABN) • 150°C Catalog No. for 2400V Primary 120/240V Secondary

Catalog No. for 2400V Primary 240/480V Secondary

Catalog No. for 4160V Primary 120/240V Secondary

Catalog No. for 4160V Primary 240/480V Secondary

Fig.

Wiring Diagram

225-0205-000

225-0206-000

225-0207-000

225-0208-000

12

78A

385

225-0225-000

225-0226-000

225-0227-000

225-0228-000

12

78A

480

75

225-0235-000

225-0236-000

225-0237-000

225-0238-000

12

78A

620

100

225-0245-000

225-0246-000

225-0247-000

225-0248-000

12

78A

760

225-0275-000

225-0276-000

225-0277-000

225-0278-000

12

78A

1220

KVA

Case Size

37.5 50

SA

SB

167

All terminals are located on the bottom.

NOTE:

Housing dimensions subject to change without notice. Contact factory where dimensions are critical.

Dimensions in Inches

Case Size

A

B

C

PA

16.03

12.63

8.75

PB

21.19

16

10.75

SA

40.5

17.5

20

SB

51.88

26

30.88

Figure 11

Figure 12

Wiring Diagram 81A

Wiring Diagram 78A

82 ®

Jefferson Electric

1-800-892-3755

THREE-PHASE MEDIUM VOLTAGE Cabinet Style • 60 Hz • 5 KV Class • 4 Taps @ 21/2% (FCABN) • 150°C KVA

15

Case Size

TA

2400 208Y/120

227-0161-000

2400 240

2400 480Y/277

2400 480

227-0162-000 227-0163-000

4160 208Y/120

4160 240

4160 480Y/277

4160 480

Wir. Dia. Delta Wye Fig. Sec. Sec.

227-0164-000 227-0165-000 227-0166-000 227-0167-000 227-0168-000

15

82B 82A

Approx. Ship Wt. (lbs)

325

30

227-0191-000

227-0192-000 227-0193-000

227-0194-000 227-0195-000 227-0196-000 227-0197-000

227-0198-000

15

82B 82A

400

45

227-0211-000

227-0212-000 227-0213-000

227-0214-000 227-0215-000 227-0216-000 227-0217-000 227-0218-000

15

82B 82A

480

227-0231-000

227-0232-000 227-0233-000 227-0234-000 227-0235-000 227-0236-000 227-0237-000 227-0238-000

15

82B 82A

800

227-0251-000

227-0252-000 227-0253-000 227-0254-000 227-0255-000 227-0256-000 227-0257-000 227-0258-000

15

82B 82A

900

75

TB

112.5 150 225 300

TC TD

227-0261-000

227-0262-000 227-0263-000 227-0264-000 227-0265-000 227-0266-000 227-0267-000 227-0268-000

15

82B 82A

1525

227-0291-000

227-0292-000 227-0293-000 227-0294-000 227-0295-000 227-0296-000 227-0297-000 227-0298-000

15

82B 82A

1600

227-0311-000

227-0312-000 227-0313-000

15

82B 82A

2250

227-0314-000 227-0315-000

227-0316-000 227-0317-000

227-0318-000

All terminals are located on the bottom. Contact factory for additional sizes. Dimensions in Inches

Figure 15

Case Size

A

B

C

TA

33.75

24.75

18.38

TB

41.5

29.13

24.5

TC

51.88

35.75

30.88

TD

60

48

34

NOTE: Housing dimensions subject to change without notice. Contact factory where dimensions are critical.

1-800-892-3755

®

Jefferson Electric

83

THREE-PHASE MEDIUM VOLTAGE Wiring Diagram 82A

Wiring Diagram 82B

PRIMARY: 2400 or 4160 Volt Delta SECONDARY: 480Y/277 or 208Y/120 TAPS: 2, 2.5% FCAN; 2, 2.5% FCBN

PRIMARY: 2400 or 4160 Volt Delta SECONDARY: 480 or 240 Volt Delta TAPS: 2, 2.5% FCAN; 2, 2.5% FCBN PRIMARY

PRIMARY

SECONDARY

SECONDARY Primary

Primary

% Taps

On Each Coil Jumper Between Taps

Connect Primary Lines To

% Taps

On Each Coil Jumper Between Taps

Connect Primary Lines To

+5.0

1 and 2

H1, H2, H3

+5.0

1 and 2

H1, H2, H3 H1, H2, H3

+2.5

2 and 3

H1, H2, H3

+2.5

2 and 3

Nom.

3 and 4

H1, H2, H3

Nom.

3 and 4

H1, H2, H3

-2.5

4 and 5

H1, H2, H3

-2.5

4 and 5

H1, H2, H3

-5.0

5 and 6

H1, H2, H3

-5.0

5 and 6

H1, H2, H3

Secondary

Secondary Connect Secondary Lines To

Volts

Connect Secondary Lines To

480 or 208

X1, X2, X3

480 or 240

X1, X2, X3

277 or 120 1 Phase

Between X0 and X1 or X2 or X3

Volts

84 ®

Jefferson Electric

1-800-892-3755