Jefferson Electric Buck-Boost Transformers Catalog Page

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Single-Phase Ventilated

15 to 1,650 kVA

Applications

n For general loads, including lighting, industrial and

commercial applications

Specications

n Meets DOE-2016 and C802 standards for energy

efciency

n 60 Hz operation

n Aluminum windings

n 150ºC temperature rise

n 220ºC insulation class standard

n NEMA3R rated enclosures standard

n Heat-cured ASA-61 gray powder coat nish

n Cores of high quality electrical steel

n Primary taps on most units

n Lugs provided for units up to and including 50 kVA on

catalog items

Standards

nMeets DOE-2016 standard Part 431, Subpart K for

energy efciency

nMeets NRCAN 2019 requirements, C802.2.18 Standard

for energy efciency

n Built in accordance with NEMA, ANSI, UL and CSA

standards

Features, Functions, Benets

n Large connection compartment for ease of wiring and

installation

n Many sizes in stock and available for immediate

shipment

n Quiet operation for installation exibility

n Seismic certication for all units through 250 kVA

Options and Accessories

n Other sizes, voltages and temperature rises available

n Copper windings

n CE Marked units available as custom

n Wall brackets available for units up to 75 kVA

Approvals

1-1

1-2

Single-Phase Ventilated

Enclosure Figure

Figure 24

Wall Mounting Bracket Kits

Part Number Description Max Unit Wgt (lbs)

223-7008-030 For 15 kVA units, 150°C rise 250

223-7008-075 For 16 to 75 kVA units, 150°C rise 750

Wall Mounting Bracket Kits with Drip Pans

400-4701-222

400-4701-223

400-4701-224

400-4701-225

For Single Phase units, 15” width

For Single Phase units, 17” width

For Single Phase units, 20” width

For Single Phase units, 22” width

250

750

Model Numbers Dened

Single-Phase, Ventilated

Floor Mount

Type

C802 compliant 5 DOE compliant 9

kVA Rating / XX kVA Rating / XX

15 16 112.5 25 20 17 150 26 25 18 167 27 30 19 200 28

37.5 20 225 29 45 21 250 30 50 22 300 31 75 23 333 32 100 24

Up to 1,650 kVA available as specials

Primary Secondary

120x240 120/240 1 208 120/240 2 Custom 3 277 120/240 4 240x480 120/240 5 Specials* 6 120x240 120/240 7 600 120/240 8 Custom 9

421-TXXY-ABC

Lugs

Part Number kVA Primary Lug Qty Secondary Lug Qty

4PT-2007-LUG 15 #14 - 2 2 #2/0 - 6 2

4PT-2017-LUG 25 #14 - 2 2 250MCM - 6 2

4PT-2008-LUG 37.5 #14 - 2 2 350MCM - 6 2

4PT-2009-LUG 50 #2/0 - 6 2 600MCM - 6 2

4PT-2018-LUG† 75 #2/0 - 6 2 600MCM - 6 4

† Must be ordered, not included on stock units

Wiring

Aluminum 0 Copper 8

Temperature Rise

150°C 0 115°C 1 80° 8

No shield 0 Shield 5



*Sufx dened incrementally

Not all features listed are compatible

Shield

Single-Phase General Purpose Transformers – DOE Compliant

150°C Temperature Rise • Aluminum Windings • NEMA3R Enclosures Taps: 2 @ 2.5% FCAN & 4 @ 2.5% FCBN

240 x 480V — 120/240V

kVA Catalog Number

15 421-9165-000 24 27 15 20.5 12.5 11 190 S480F 223-7008-030

25 421-9185-000 24 29 17 22.5 14 13 265 S480F 223-7008-075

37.5 421-9205-000 24 31 20 23.5 16.9 14 330 S480F 223-7008-075

50 421-9225-000 24 32 22 25.5 19 16 465 S480F 223-7008-075

75 421-9235-000 24 34 22 27.5 19 16 555 S480F 223-7008-075 100 421-9245-000 24 36 22 29.5 19 18 690 S480F n/a

150 421-9265-000 24 55 34 37 31 25 1255 S480F n/a

167 421-9275-000 24 55 34 37 31 25 1300 S480F n/a

200 421-9285-000 24 52 35 37 31.5 25 1355 S480F n/a

250 421-9305-000 24 55 39 44 31.5 25 1690 S480F n/a

300 421-9315-000 24 TBD TBD TBD TBD TBD TBD S480F n/a

333 421-9325-000 24 TBD TBD TBD TBD TBD TBD S480F n/a

Enclosure

Figure

150°C Temperature Rise • Aluminum Windings • NEMA3R Enclosures Taps: 2 @ 2.5% FCAN & 2 @ 2.5% FCBN

600V — 120/240V

15 421-9168-000 24 27 15 20.5 12.5 11 190 S600E 223-7008-030

25 421-9188-000 24 29 17 22.5 14 13 265 S600E 223-7008-075

37.5 421-9208-000 24 31 20 23.5 16.9 14 330 S600E 223-7008-075

50 421-9228-000 24 32 22 25.5 19 16 405 S600E 223-7008-075

75 421-9238-000 24 34 22 27.5 19 16 620 S600E 223-7008-075

100 421-9248-000 24 36 22 29.5 19 18 725 S600E n/a

150 421-9268-000 24 55 34 37 31 25 1255 S600E n/a

167 421-9278-000 24 55 34 37 31 25 1300 S600E n/a

200 421-9288-000 24 52 35 37 31.5 25 1355 S600E n/a

250 421-9308-000 24 55 39 44 31.5 25 1690 S600E n/a

300 421-9318-000 24 TBD TBD TBD TBD TBD TBD S600E n/a

333 421-9328-000 24 TBD TBD TBD TBD TBD TBD S600E n/a

Height (A)

inches

Width (B)

inches

Depth (C)

inches

(D)

inches

(E)

inches

Est Ship

Wgt

Wiring

Diagram

Wall Mounting

Bracket Kit

1-3Single-Phase Ventilated

Housing dimensions subject to change without notice.

1-4

Single-Phase Ventilated

Single-Phase General Purpose Transformers – NRCAN-2019, C802 Compliant

150°C Temperature Rise • Aluminum Windings • NEMA3R Enclosures Taps: 2 @ 2.5% FCAN & 4 @ 2.5% FCBN

240 x 480V — 120/240V

kVA Catalog Number

15 421-5165-000 24 27 15 20.5 12.5 11 190 S480F 223-7008-030

25 421-5185-000 24 29 17 22.5 14 13 265 S480F 223-7008-075

37.5 421-5205-000 24 31 20 23.5 16.9 14 330 S480F 223-7008-075

50 421-5225-000 24 32 22 25.5 19 16 405 S480F 223-7008-075

75 421-5235-000 24 34 22 27.5 19 16 620 S480F 223-7008-075

100 421-5245-000 24 36 22 29.5 19 18 725 S480F n/a

150 421-5265-000 24 55 34 37 31 25 1255 S480F n/a

167 421-5275-000 24 55 34 37 31 25 1300 S480F n/a

200 421-5285-000 24 52 35 37 31.5 25 1355 S480F n/a

250 421-5305-000 24 55 39 44 31.5 25 1690 S480F n/a

300 421-5315-000 24 TBD TBD TBD TBD TBD TBD S480F n/a

333 421-5325-000 24 TBD TBD TBD TBD TBD TBD S480F n/a

Enclosure

Figure

150°C Temperature Rise • Aluminum Windings • NEMA3R Enclosures Taps: 2 @ 2.5% FCAN & 2 @ 2.5% FCBN

600V — 120/240V

15 421-5168-000 24 27 15 20.5 12.5 11 190 S600E 223-7008-030

25 421-5188-000 24 29 17 22.5 14 13 265 S600E 223-7008-075

37.5 421-5208-000 24 31 20 23.5 16.9 14 330 S600E 223-7008-075

50 421-5228-000 24 32 22 25.5 19 16 405 S600E 223-7008-075

75 421-5238-000 24 34 22 27.5 19 16 620 S600E 223-7008-075

100 421-5248-000 24 36 22 29.5 19 18 725 S600E n/a

150 421-5268-000 24 55 34 37 31 25 1255 S600E n/a

167 421-5278-000 24 55 34 37 31 25 1300 S600E n/a

200 421-5288-000 24 52 35 37 31.5 25 1355 S600E n/a

250 421-5308-000 24 55 39 44 31.5 25 1690 S600E n/a

300 421-5318-000 24 TBD TBD TBD TBD TBD TBD S600E n/a

333 421-5328-000 24 TBD TBD TBD TBD TBD TBD S600E n/a

Height (A)

inches

Width (B)

inches

Depth (C)

inches

(D)

inches

(E)

inches

Est Ship

Wgt

Wiring

Diagram

Wall Mounting

Bracket Kit

Housing dimensions subject to change without notice.

Wiring Diagrams

1-5Single-Phase Ventilated

S480F Wiring Diagram & Connections

Wiring Diagram

Primary: 240 x 480 Volts Secondary: 120/240 Volts

PRIMARY

SECONDARY

Connections

Primary Jumpers Between Taps Primary Lines

Volts Left Coil Right Coil Connect To

504 1 2 H1, H2

492 3 2 H1, H2

480 3 4 H1, H2

468 5 4 H1, H2

456 5 6 H1, H2

444 7 6 H1, H2

432 7 8 H1, H2

252 H2, 1 H1, 2 H1, H2

240 H2, 3 H1, 4 H1, H2

228 H2, 5 H1, 6 H1, H2

216 H2, 7 H1, 8 H1, H2

Secondary Volts

240 X2 to X3 X1, X4

120/240 X2 to X3 X1, X2, X4

120

Interconnect

X1 to X3 X2 to X4

Secondary Lines

Connect To

X1, X4

S600E Wiring Diagram & Connections

Wiring Diagram

Primary: 600 Volts Secondary: 120/240 Volts

PRIMARY

SECONDARY

Connections

Primary Volts

630 1 H1, H2

615 2 H1, H2

600 3 H1, H2

585 4 H1, H2

570 5 H1, H2

Secondary Volts

240 X2 to X3 X1, X4

120/240 X2 to X3 X1, X2, X4

120

On Each Coil

Jumper Taps To

Interconnect

X1 to X3 X2 to X4

Primary Lines

Connect To

Secondary Lines

Connect To

X1, X4

Jefferson Electric Buck-Boost Transformers Catalog Page

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