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Descripción

Activo maduro
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 30kVA, 480V primary (three wire), 240V secondary (three wire) with aluminum 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 98.23% 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 1/2 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.
Country of Origin
MX
Part Number
EXN30T6H
Tariff Code
8504330020
EAN
39121001
UNSPSC
39121001
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Environment

Average Ambient Air Temperature For Operation
30 °C
Ambient Air Temperature For Operation
40-40 °C
Standards
UL 1561 || CSA C22.2 No 47 || NEMA ST-20

Complementary

Tap Loss
110 no load (core loss) || 703 load loss (coil loss)
Network Frequency
60 Hz
Primary Voltage
480 V delta
Percentage Impedance Voltage
2.99 %
Height
719 mm
Number Of Mounting Holes
4 Ø: 13 mm
[Uimp] Rated Impulse Withstand Voltage
10 kV
Primary Operational Current
36.08-36.08 A 72.17 A 30 kVA
Temperature Rise
150 °C || 220 °C insulated
Degree Of Protection
UL type 2 || UL type 3R, with 7400WS18M19M20M
Number Of Tap-Offs
2 2.5 % FCAN || 4 2.5 % FCBN
X/R Ratio
1.00
Rated Operational Power In Va
30 kVA
Electrical Connection
2 Hole Nema Pad secondary 11.1 mm || 2 Hole Nema Pad primary 11.1 mm
Phase
3 phase
Material
aluminium
Net Weight
163.75 kg
Secondary Voltage
240 V delta
Percentage Reactance
1.90 %
Noise Level
6 dB NEMA ST-20 || 39 dB
Type Of Cooling
natural convection
Efficiency
98.31 % at 35 % load factor , 75.0 °C
Mounting Support
floor || floor, with 7400FMB || ceiling, with 7400CMB18M19M20M || wall, with 7400WMB18M19M20M
Continuous Thermal Current Rating Factor
442 16.6 % || 525 25 % || 975 50 % || 1725 75 % || 2774 100 %
Width
648 mm
Depth
627 mm
Inrush Current
547 A
Box Number
18M
[Ipk] Rated Peak Withstand Current
2.41 kA

Specifications

Range Of Product
Square D
Product Or Component Type
transformer
Transformer Type
energy efficient
Device Application
low voltage electrical distribution
Device Short Name
DOE 2016

Documentos

Data Sheet

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