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."
| 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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