EX500T79H

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EX500T79H

Schneider Electric

Low voltage transformer, DOE 2016, dry type, 3 phase, 500kVA, 600V pri, 208Y/120V sec, Al, 150C rise, Type 1

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"EX 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 500kVA, 600V primary (three wire), 208Y/120V secondary (four wire) with aluminum windings with a 220 insulation system design for 150 degree C temperature rise. This transformer\u2019s DOE 2016 and NRCan efficiency is a minimum of 99.14% at 35% loading and 75\u00b0C 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 1 for indoor installation, field convertible to Type 2 via dripshield for indoor applications with dropping water or to Type 3R via weathershield for outdoor installation. The transformer's open bottom design limits the units to floor 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."

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Specification	Value
Network Frequency	60 Hz
Primary Voltage	600 V delta
Height	1803 mm
[Uimp] Rated Impulse Withstand Voltage	10 kV
Temperature Rise	150 °C \|\| 220 °C insulated
Degree Of Protection	UL type 1 \|\| UL type 2, with 7400DS30J \|\| UL type 3R, with 7400WS30J
Number Of Tap-Offs	2 2.5 % FCAN \|\| 2 2.5 % FCBN
Rated Operational Power In Va	500 kVA
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
Phase	3 phase
Material	aluminium
Net Weight	1322.22 kg
Secondary Voltage	208Y/120 V
Noise Level	6 dB NEMA ST-20 \|\| 56 dB
Type Of Cooling	natural convection
Mounting Support	floor \|\| floor, with 7400FMB
Width	1226 mm
Depth	963 mm
Box Number	30J
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

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*New items come with up to 24 month Obso Warranty
Our previously used items and repair options come with 12 months Obso Warranty.

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Standard options for delivery are also available where required.

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