Acme Electric ACME TRANSFORMER Accessories Catalog

GENERAL

ACME®TRANSFORMER™ACCESSORIES

Wall Mounting Brackets

Required on:

V entilated Units:

1Ø, 37.5 and 50 KV A
3Ø, 30, 45 and 75 KV A

Catalog Number: PL-79912
Encapsulated Units:

3Ø dit., 11 KV A — 20 KVA
3Ø std. distribution — 15 KV A

Catalog Number: PL-79911

Thermal Switch Kits

Acme Thermal Switch Kits are designed for usewithsingle and three
phase drive isolation and distribution transformers. Thermal switch kits
are available for one or three sensor systems.

Thermal sensors can be field or factory installed in the transformer
winding ducts to detect abnormal temperatures. The thermal sensors
are a normally closed contact that opens at 200°C ± 10°C and has a
current capacity of 5 amps @ 120V or 2.5 amps @ 240V . This contact
can activate any number of different typesof alarms or mechanisms
that could warnof a potential failure.

Catalog Number: PL-79900

KVA Mounting Position Illustration

27.0- Bottom of

220.0 the case

275.0- Top Flange of the
750 Core Bracket

Figure 1

Figure 2

Wall mounting brackets are not
required on:
1Ø units — 25 KV A and below
3Ø units — 9 KV A and below

Standard T aps

The catalog number suffix provides tap
information as outlined in chart below:

If the catalog number has no suffix,
there are no taps available.

EXAMPLE: T -2-53019-3S

The suffix 3S indicates the unit has two 2.5%
(+) ANFC taps and four 2.5% (–) BNFC taps.

Suffix Tap Arrangement

– 1S Two 5% (–) BNFC Taps

One 5% (+) ANFC Tap

– 2S and

One 5% (–) BNFC Tap
Two 2-1/2% (+) ANFC Taps

– 3S and

Four 2-1/2%(–) BNFC Taps
Two 2-1/2% (+) ANFC Taps

– 4S and

Two 2-1/2% (–) BNFC Taps
Two 5% (+) ANFC Taps

– 5S and

Two 5% (–) BNFC Taps

TERMINAL BLOCK

EPOXY LAYER

THERMAL SWITCH

.5H

(1.3 cm)

H

COIL 1

BOTTOM OF CASE

COIL 2

COIL 3

CORE

Figure 1

.625 (1.6 cm) H DIA.

EPOXY-RING

COIL 1 COIL 3

COIL 2

CORE

Figure 2

ACME ELECTRIC, POWER DISTRIBUTION PRODUCTS DIVISION •LUMBERTON, NC •800-334-5214 •www.acmepowerdist.com

157

GENERAL

ACME®TRANSFORMER™ACCESSORIES

Lug Kits

Acme’ s mechanical transformer lug kits contain all of the hardware necessary
to provide satisfactory transformer terminations. Lug kits are available in
sizes from 27 KVA to 660 KVA.

Acme lugs are of the dual rated single pole solderless type, made from high
strength aluminum alloy. To provide the best in low contact resistance, all
lugs in these kits are plated.

Kit Contains

Catalog No. KVA Size Al or Cu Qty Nuts & Bolts Qty

Lug 1

Lug 2

Lug 3

Lug 4 440 - 660 3-phase 600 mcm - 2 29

Transformer Wire Range

371/2 1-phase 2 -14 8

27-45 3-phase 250 mcm - 6 4

50 - 75 1-phase

51 - 118 3-phase

100 -167 1-phase 250 mcm - 6 3

145 - 300 3-phase 600 mcm - 2 22

250 mcm - 6 12

1

/4 - 20 x 3/4 8

1

/4 - 20 x 3/4 8

1

/4 - 20 x 13/4 8

1

/4 - 20 x 3/4 3

3

/8 - 16 x 2 16

3

/8 - 16 x 2 8

Weather Shields

Catalog No. Approx. Ship Weight

Lbs. (Kg.)

WS-A-1 6 (2.7)
WS-A-2 7 (3.2)
WS-A-3 8 (3.6)
WS-A-4 8 (3.6)
WS-A-5 10 (4.5)
WS-A-6 10 (4.5)
WS-A-8 7 (3.2)
WS-A-53 7 (3.2)
WS-A-58 10 (4.5)
WS-A-60 9.5 (4.3)
WS-B-1 31 (14.1)
WS-B-2 31 (14.1)
WS-B-3 30 (13.6)
WS-B-4 32 (14.5)
WS-B-5 35 (15.9)

Spare Parts

TOP COVER

CATALOG NO. APPROX. SHIP WEIGHT

Lbs. (Kg.)

SA-1-701319 14 (6.4)

SA-2-701319 16 (7.3)

SA-3-701319 20 (9.1)

SA-4-701319 34 (15.4)

SA-6-701319 17 (7.7)

SIDE PANEL

CATALOG NO. APPROX. SHIP WEIGHT

Lbs. (Kg.)

SA-1-701320 11 (5.0)

SA-2-701320 13 (5.9)

SA-3-701320 19 (8.6)

FRONT/REAR PANEL

CATALOG NO. APPROX. SHIP WEIGHT

Lbs. (Kg.)

SA-1-701321 13 (5.9)

SA-2-701321 15 (6.8)

SA-3-701321 21 (9.5)

SA-4-701321 35 (15.9)

SA-7-701321 16 (7.3)

158

SA-4-701320 34 (15.4)

ACME ELECTRIC, POWER DISTRIBUTION PRODUCTS DIVISION •LUMBERTON, NC •800-334-5214 •www.acmepowerdist.com