EXN45T3HCU | Low voltage transformer, DOE 2016, dry type, 3 phase, 45kVA, 480V pri, 208Y/120V sec, Cu, 150C rise, Type 2 | Square D by Schneider Electric
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EXN45T3HCU | Low voltage transformer, DOE 2016, dry type, 3 phase, 45kVA, 480V pri, 208Y/120V sec, Cu, 150C rise, Type 2 | Square D by Schneider Electric

Brand: Square DSKU: EXN45T3HCU
Square D | EXN45T3HCU
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Overview Details for EXN45T3HCU

Low voltage transformer, DOE 2016, dry type, 3 phase, 45kVA, 480V pri, 208Y/120V sec, Cu, 150C rise, Type 2

EXN three phase low voltage dry type distribution transformers from Square D comply with DOE energy conservation standards and Natural Resources Canada (NRCan) minimum energy efficiency levels. This transformer is a 45kVA, 480V primary (three wire), 208Y/120V secondary (four wire) with copper windings with a 220 insulation system design for 150 degree C temperature rise. This transformer’s DOE 2016 and NRCan efficiency is a minimum of 98.40% at 35% loading and 75°C temperature. Terminals are designed to accommodate wire ranges sized for 125% of the secondary nameplate current and 250% of the primary nameplate current. The terminals allow for NEMA two hole lugs and wiring bending radius to align with the wire ranges and to allow for side and bottom access. Units are natural air cooled with exhaust vents located on the front only, allowing the transformers to be mounted with rear clearance to obstructions of ½ inch. Units are shipped as Type 2 for indoor installation, field convertible to Type 3R via weathershield for outdoor installation. The transformers are floor mounted but field accessories are available for wall or trapeze (ceiling) mounting. EX transformers have a low sound level, with a minimum of 3dB below NEMA Standard ST-20 requirements. Units are specifically designed to function with other Square D equipment; inrush is coordinated to meet identified breaker trip curves, and IZ levels allow for let through current to match AIR levels of panelboards. See product data sheets for these values.

Specifications

Range of Product
Square D
Product or Component Type
DOE 2016 energy efficient transformer
device short name
DOE 2016
transformer type
Energy efficient
Device Application
Low voltage electrical distribution
box number
19M
Phase
3 phase
rated operational power in VA
45 kVA
Network Frequency
60 Hz
type of cooling
Natural convection
Primary Voltage
480 V delta
number of tap-offs
2 2.5 % FCAN;4 2.5 % FCBN
primary operational current
54.13 A 124.91 A 45 kVA
secondary voltage
208Y/120 V
Coil Material
Copper
Basic IMP level (BIL)
10 kV
Temperature Rise
150 °C;220 °C insulated
DOE Efficiency
98.51 % at 35 % load factor ;167 °F (75.0 °C)
Sound Level
6 dB NEMA ST-20;42 dB
%IZ
3.44 %
%IX
1.68 %
X/R Ratio
0.59
inrush current
709 A
Let Through Current
4.03 kA
Transformer Losses
99 no load (core loss);1384 load loss (coil loss)
Transformer BTU/HR
469 16.6 %;633 25 %;1518 50 %;2994 75 %;5060 100 %
Height
29.33 in (745 mm)
Depth
25.94 in (659 mm)
Width
25.51 in (648 mm)
Net Weight
398.99 lb(US) (180.98 kg)
mounting support
Floor;Floor;with 7400FMB;Ceiling;with 7400CMB18M19M20M;Wall;with 7400WMB18M19M20M
degree of protection
UL type 2;UL type 3R;with 7400WS18M19M20M
electrical connection
2 Hole Nema Pad secondary 0.44 in (11.1 mm);4 Hole Nema Pad sec - XO 0.44 in (11.1 mm);2 Hole Nema Pad primary 0.44 in (11.1 mm)
number of mounting holes
0.51 in (13 mm)
Ambient air temperature for operation
104 °F (40 °C)
Average ambient air temperature for operation
30 °C
Standards
UL 1561;CSA C22.2 No 47;NEMA ST-20
Category
16256-3PH EXN/2016 15-150KVA LVGP XFMR
Discount Schedule
PE2X
GTIN
785901413233
Returnability
Yes
Country of origin
MX
Unit Type of Package 1
PCE
Package 1 Length
31.00 in (78.74 cm)
Number of Units in Package 1
1
Package 1 Width
32.00 in (81.28 cm)
Package 1 Height
35.40 in (89.916 cm)
Package 1 Weight
423.00 lb(US) (191.87 kg)

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