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  11. Low Voltage Distribution Transformer, 300 kVA, NEMA 1, 277/480V AC, 480V AC
Square D Low Voltage Distribution Transformer, 300 kVA, NEMA 1, 277/480V AC, 480V AC EX300T1814H - main

Low Voltage Distribution Transformer, 300 kVA, NEMA 1, 277/480V AC, 480V AC

  • Mfr # EX300T1814H

  • Zoro # G0128062

product price: $29,113.99
/ea
Additional $640.00 delivery surcharge applies per item.
See details

Key Features

Input Voltage - Transformer
480V AC
Output Voltage
277/480V AC
Power Rating
300 kVA
Phase
3
Mounting - Transformer
Floor
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Specifications

Product Information

MFR #
EX300T1814H
Zoro #
G0128062
UPC #
785901750857
Country of Origin
United States

Dimensions

Overall Height
57 1/2 in
Overall Width
40.07 in
Overall Depth
32 3/4 in
Knockout Size - Transformer
No Knockout

Details

Item
Low Voltage Distribution Transformer
Input Voltage - Transformer
480V AC
Output Voltage
277/480V AC
Power Rating
300 kVA
Phase
3
Mounting - Transformer
Floor
Hz - Electrical
60 Hz
NEMA Enclosure Rating
NEMA 1
Outdoor Rated - Transformer
No
Winding Material
Aluminum
Voltage Function - Transformer
Step Down
Winding Material - Transformer
Aluminum
Standards
REACH Regulation, RoHS
Continuous Thermal Current Rating Factor
2076.214827569912 0.166 %, 2610.5018888749996 0.25 %, 5477.3409455 0.5 %, 10255.406039874999 0.75 %, 16944.697172 1.0 %
Device Short Name
DOE 2016
Noise Level
6 dB NEMA ST-20, 49 dB
X/R Ratio
3.48
Electrical Connection
4 Hole Nema Pad primary 11.1 mm, 6 Hole Nema Pad secondary 11.1 mm, 8 Hole Nema Pad sec - XO 11.1 mm
Tap Loss
485.0 no load (core loss), 4481.0 load loss (coil loss)
Percentage Impedance Voltage
0.054
[Uimp] Rated Impulse Withstand Voltage
10 kV
Percentage Reactance
0.00052
Primary Voltage
480 V delta
Average Ambient Air Temperature For Operation
30°C
[Ipk] Rated Peak Withstand Current
6.7 kA
Efficiency
99.12% at 35% load factor, 75.0 Degrees C
Temperature Rise
150°C
Degree Of Protection
UL type 1, UL type 2, with 7400DS25J, UL type 3R, with 7400WS25J
Rated Operational Power In Va
300 kVA
Material
aluminium
Number Of Tap-Offs
2 2.5 % FCAN, 4 2.5 % FCBN
Device Application
low voltage electrical distribution
Type Of Cooling
natural convection
Ambient Air Temperature For Operation
40-40°C
Sound Level
6 dB NEMA ST-20; 49 dB
DOE Efficiency
99.12% at 35% load factor, 167 Degrees F (75.0 Degrees C)
Box Number
25J
Transformer Btu/Hr
2076.214827569912 0.166%; 2610.5018888749996 0.25%; 5477.3409455 0.5%; 10255.406039874999 0.75%; 16944.697172 1.0%
Transformer Losses
485.0 no load (core loss); 4481.0 load loss (coil loss)
Includes Knockouts
No Knockouts

Description

Dry Type Power Distribution Transformer, Input Voltage - Transformer 480V AC Delta, Output Voltage - Transformer 277V AC, 480V AC Wye, VA Rating - Transformer 300 kVA, Mounting - Transformer Floor, Outdoor Rated - Transformer No, Voltage Function - Transformer Step Down, Winding Material - Transformer Aluminum, Hz - Electrical 60 Hz, Temp. Rise 150 Degrees C, Enclosure Rating NEMA 1 (Convertible to NEMA 3R by Adding Weather Shield), IP Rating Not Applicable

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