Stewart Isolation Transformer
35 kVa  -  160 KVDC Isolation
Ion Implantation

(TP) STL35KVA
Stewart isolation transformer. Electrostatically shielded. 50.52 amps / 35 kva - 160 kvdc isolation between input and output. Built-in casters on base. Two - New, crated transformers in stock.

• Input: 400 vac Delta / 3 phase / 47-63 Hz
• Output: 3 Single Phase outputs each at 230v intended to be connected in Wye configuration yielding 3 phase at 400v between lines.
• Capacity: Less than 300pF between input and output and output and ground
• Dimensions: 27-3/4" high, 44" wide, 37" terminal tip to back
• Total Weight: 600 kg
• Shipping Weight: 1,475 lbs

Delta to WYE Transformer
Input: 480v @ 136 amps, 3 phase - Delta
Output: 480y / 277 @ 136 amps, 3 phase - WYE

(TP) 112T76HIS
Square D 3 phase isolation transformer. Delta to WYE trans. 112.5 kva. Used, removed.

• Input: 480v @ 136 amps,
3 phase - Delta
• Output: 480y / 277 @ 136 amps,
3 phase - WYE
• Taps: 504v / 492v / 480v / 468v / 456v
• Dimensions: 20" x 30" x 37"H
• Weight: 730 lbs net

Hipotronics Isolation Transformer
7.5 kva - 100 kv Isolation

(TP) IT100-75E3K-C
Hipotronics high voltage isolation transformer. 100 kv isolation. 7.5 kva, 3 phase, 50/60 Hz.

• Primary: 400v Delta @ 10.83 amps
• Secondary: 208Y / 120v @ 20.83 amps
• Dimensions: 14"W x 29"H x 19-1/4" terminal tip to back
• Weight: 365 lbs

Dell Elec Isolation Transformer
7.5 kva - 100 kv Isolation

(TP) AD6273
Dell Electric high voltage isolation transformer. 100kv isolation. 7.5 kva, 3 phase, 50/60 Hz.

• Primary: 400v Delta @ 10.83 amps
• Secondary: 208Y / 120v @ 20.83 amps
• Dimensions: 15-1/8"W x 29"H x 19-1/2" terminal tip to back
• Weight: 500 lbs

10 kva Trenco Transformer
Step Up / Step Down - 60Hz

(TP) 17428
Trenco step up / step down transformer. 60 Hz. New, unused.

• Input: Delta 275v
• Output: 208Y / 120v
• Dimensions: 18"W x 13"D x 20"H
• Weight: 169 lbs

Topaz AC Line Regulator
Input: 96 / 126v
Output: 208y / 120v - 7.5 kva

(TP) 75507
Topaz AC line regulator. 0.005 pF isolation. 3 phase WYE, 7.5 kva. 3 phase or split into three individual single phase transformers.

• Input: 96 / 126v, 27 amp max,
47-63 Hz p/ leg
• Output: 208y / 120v, ±5%, 7.5 kva
• Dimensions: 13" x 30" x 8"H
• Weight: 127 lbs

Great for isolation and line regulation on 3 phase system or you can split into 3 single phase transformers, part number (TP) 75507/S. Includes 3 phase breaker. New in crates. (Includes crate).

Topaz Ultra Isolation Transformer
3 Phase / 12.6 kva

(TP) 91912-50
Topaz ultra isolation transformer. 3 phase, 12.6 kva. 0.001 pF, 50/60 Hz. 208Y / 120 volt.

Use as a 3 phase unit or as 3 separate 5 kva 120 in / out isolation transformers.

• Dimensions: 16-1/4" x 35" x 8"H

Topaz Ultra Isolation Transformer
1 Phase / 15 kva

(TP) 93115-31
Topaz ultra isolation transformer. 1 phase, 15 kva. Extra low capacitance @ 0.0005 pF. 146 dB common mode rej. Used, but in excellent condition.

• Input: 240 / 480v
• Output: 120 / 240v
• Dimensions: 15" x 14" x 22-1/2"H
• Weight: 283 lbs

Topaz Ultra Isolation Transformers
3 Phase / 15 kva

(TP) 91415-11
Topaz extremely high ultra isolation and noise suppressing transformer. 3 phase, 15 kva, 0.005 pF, interwinding capacity. Used, but in new condition.

• Input: 208Y / 120 vac
• Output: 208Y / 120 vac
• Frequency: 50/60 Hz
• Dimensions: 15" x 34" x 8"
• Weight: 350 lbs

Use as a 3 phase unit or break into separate 120v / 208, 5 kva transformers.

Acme Transformer
45 kva - 3 phase

(TP) T-1A-53313-3S
Acme transformer. 3 phase, 45 kva, 60 Hz, winding rise = 150ºC. 5.50% impedance at 170ºC. Instructions I-40. Type 2 enclosure. Minimum field installed clearance = 4", vertical = 4". C3222-L, class 220 insulation system. Shielded for cleaner power. Catalog No. T-1A-53313-3S, Style G. Removed from service but in excellent condition!!

• Primary Volts: 480v with FC taps
• Secondary Volts: 208Y / 120v
• Dimensions: 27-1/2"W x 26-1/2"H x
23-1/4"D
• Weight: 380 lbs

MGE Ultraguard
Isolation Transformer
208Y / 120v - 50 kva - 60 Hz

(TP) 97405-31
MGE Ultraguard Isolation Transformer. 3 phase, 50 kva, 60Hz, electrostatically shielded.

• Input: Delta 480v
• Output: 208Y / 120v
• Dimensions: 43" x 22" x 43"H
• Weight: 690 lbs

Delta to WYE Transformer
Input: 456v / 480v / 504v
Output: 480v / 277v

(TP) 51T1817HISDIT40DB
Square D 3 phase isolation transformer. Delta to WYE trans. 51 kva, 61.3 amps, 60 Hz. Electrostatically shielded. Small dent on one side. New in original box.

• Input: 456 / 480 / 504, 3 phase - Delta
• Output: 480 / 277, 3 phase - WYE
• Dimensions: 20" x 30" x 36"H
• Weight: 550 lbs net

Topaz Isolation Transformer
Input: 120 - 240v
Output: 120 - 240v

(TP) 96907-41
Topaz isolation transformer. 1 phase. 7.5 kva. 0.0005 pF isolation. No manual. New, but a bit shelf worn.

• Input: 120 - 240v, 50/60 Hz
• Output: 120 - 240v @ 63 / 32 amps
• Dimensions: 15" x 18" x 29"H
• Weight: 230 lbs