| Major3IT Isolation Transformers |
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The Major3IT Isolation Transformer is a reliable source of clean, conditioned power designed to protect sensitive equipment from all types of power disturbances and electrical noise. The Major3IT Isolation Transformer
is ideal for use in industrial, telecom, utility, medical, and military applications.
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Major3IT
Isolation Transformers Specs |
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- Highly Shielded
- Low Transfer Output Impedance
- Low Load Regulation
- Choice of Common Mode Noise Reduction Characteristic Model
- Small Footprint
- Exclusive Shielding
- Low Noise
- Reduces common mode and normal mode noise
- Prevents back feeding of noise from line to load
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- Saves Valuable Space
- Fast Easy Installation
- Protects Sensitive Loads
- Low Leakage Current (full safe)
- Allows use of products in hospitals and medical labs
- UL & cUL Listed
- Warranty
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| Electrical |
| Power Ratings |
15, 30, 50, 75, 112.5, 125, 150 and 225 kVA, 3-phase |
| Input Voltage Range |
±10% of nominal rated voltage |
| Load Regulation |
4% or less from no load to full load |
| Technology |
Highly shielded with REI/EMI filtering incorporated into design |
| Frequency |
47 Hz minimum for 50 Hz models; 57 Hz minimum for 60 Hz models |
| Efficiency |
97% typical |
| Insulation Resistance |
100 mH minimum from winding to core measured at 500 Vdc |
| Noise Suppression Performancce |
| Common Mode Noise |
150 dB |
| Normal Mode Noise |
65 dB |
| Surge Suppression |
Meets ANSI/IEEE standard C62.41, 1991 (IEEE, 587 category A and B),
IEC 1000-4 and 1000-5 |
| K-Factor Rating |
K-13 (other ratings are available upon request) |
| Environmental |
| Audible Noise |
Complies with NEMA requirements |
| Ambient Temperature |
Operating 0°C to 40°C; Storage 0°C to 85°C |
| Operating Humidity |
95% relative (non-condensing) |
| Operating Altitude |
10,000 ft maximum (full load power rating should be decreased approx 3.3% per 1000 ft of altitude about 10,000 ft) |
| EMI |
<0.1 gauss at a distance of 3 ft |
| Mechanical |
| Hardwired |
Field wired terminal block |
| Safety Agency Approvals |
UL1561, cUL (Canadian standard C22.2 No 125) (60 Hz models)
CE mark (50 Hz models),
Complies with Part-15 Subpart J of FCC rules for a Class A computing device |
| Load Regulation |
±3% or less from no load to full load at unity power factor |
| Harmonic Distortion |
1% maximum |
| Electro-Magnetic Interference |
<0.2 gauss @ 3 feet |
| Warranty |
6 years |
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| Model |
Rating
kVA
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Input
VAC
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Output
VAC
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Dimensions
H x W x D, in (cm)
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Weight
(lbs/kg)
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| Major3IT15K-208-208 |
15 |
208 |
208Y/120, 60 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
260 lbs (118 kg) |
| Major3IT15K-480-208 |
15 |
480 |
208Y/120, 60 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
260 lbs (118 kg) |
| Major3IT15K-400-400 |
15 |
400 |
400Y/230, 50 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
295 lbs (134 kg) |
| Major3IT30K-208-208 |
30 |
208 |
208Y/120, 60 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
330 lbs (150 kg) |
| Major3IT30K-480-208 |
30 |
480 |
208Y/120, 60 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
335 lbs (152 kg) |
| Major3IT30K-400-400 |
30 |
400 |
400Y/230, 50 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
385 lbs (175 kg) |
| Major3IT50K-208-208 |
50 |
208 |
208Y/120, 60 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
405 lbs (184 kg) |
| Major3IT50K-480-208 |
50 |
480 |
208Y/120, 60 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
410 lbs (186 kg) |
| Major3IT50K-400-400 |
50 |
400 |
400Y/230, 50 Hz |
38 x 24 x 19" (97 x 61 x 48 cm) |
475 lbs (215 kg) |
| Major3IT75K-208-208 |
75 |
208 |
208Y/120, 60 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
525 lbs (238 kg) |
| Major3IT75K-480-208 |
75 |
480 |
208Y/120, 60 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
520 lbs (236 kg) |
| Major3IT75K-400-400 |
75 |
400 |
400Y/230, 50 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
610 lbs (277 kg) |
| Major3IT112.5K-480-480 |
112.5 |
480 |
208Y/120, 60 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
763 lbs (346 kg) |
| Major3IT112.5K-480-480 |
112.5 |
400 |
400Y/230, 50 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
890 lbs (404 kg) |
| Major3IT125K-480-208 |
125 |
480 |
208Y/120, 60 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
782 lbs (355 kg) |
| Major3IT125K-400-400 |
125 |
400 |
400Y/230, 50 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
915 lbs (415 kg) |
| Major3IT150K-480-208 |
150 |
480 |
208Y/120, 60 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
887 lbs (402 kg) |
| Major3IT150K-400-400 |
150 |
400 |
400Y/230, 50 Hz |
40 x 38 x 28" (102 x 97 x 71 cm) |
1040 lbs (472 kg) |
| Major3IT225K-480-208 |
225 |
480 |
208Y/120, 60 Hz |
40 x 52 x 28" (102 x 132 x 71 cm) |
1207 lbs (547 kg) |
| Major3IT225K400-400 |
225 |
400 |
400Y/230, 50 Hz |
40 x 52 x 28" (102 x 132 x 71 cm) |
1415 lbs (642 kg) |
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| Custom
Isolation Transformer Applications - Contact MajorPower.Com |
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