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EX300T3HCU | Low voltage transformer, DOE 2016, dry type, 3 phase, 300kVA, 480V pri, 208Y/120V sec, Cu, 150C rise, Type 1 | Square D by Schneider Electric
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Details for EX300T3HCU
Low voltage transformer, DOE 2016, dry type, 3 phase, 300kVA, 480V pri, 208Y/120V sec, Cu, 150C rise, Type 1
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 300kVA, 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 99.02% 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 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.Specifications
- Range of Product
- Square D
- Product or Component Type
- Transformer
- device short name
- DOE 2016
- transformer type
- Energy efficient
- Device Application
- Low voltage electrical distribution
- box number
- 25J
- Phase
- 3 phase
- rated operational power in VA
- 300 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
- secondary voltage
- 208Y/120 V
- Coil Material
- Copper
- Basic IMP level (BIL)
- 10 kV
- Temperature Rise
- 220 °C insulated;150 °C
- DOE Efficiency
- 99.07 % at 35 % load factor ;167 °F (75.0 °C)
- Sound Level
- 6 dB NEMA ST-20;49 dB
- %IZ
- 0.06 %
- %IX
- 0.0569 %
- X/R Ratio
- 3.24
- Let Through Current
- 14.0 kA
- Transformer Losses
- 453.0 no load (core loss);5274.0 load loss (coil loss)
- Transformer BTU/HR
- 2041.5880966368477 16.6 %;2670.4276327499997 25 %;6044.609552999999 50 %;11668.24608675 75 %;19541.337234 100 %
- Height
- 57.52 in (1461 mm)
- Depth
- 32.76 in (832 mm)
- Width
- 40.08 in (1018 mm)
- Net Weight
- 1974.99 lb(US) (895.84 kg)
- mounting support
- Floor;Floor;with 7400FMB
- degree of protection
- UL type 1;UL type 2;with 7400DS25J;UL type 3R;with 7400WS25J
- electrical connection
- 4 Hole Nema Pad primary 0.44 in (11.1 mm);6 Hole Nema Pad secondary 0.44 in (11.1 mm);8 Hole Nema Pad sec - XO 0.44 in (11.1 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
- 16251-3PH EX/2016 225-300KVA LVGP XFMR
- Discount Schedule
- PE2X
- GTIN
- 785901807339
- Returnability
- Yes
- Country of origin
- MX
- Unit Type of Package 1
- PCE
- Package 1 Length
- 47.99 in (121.9 cm)
- Number of Units in Package 1
- 1
- Package 1 Width
- 40.00 in (101.6 cm)
- Package 1 Height
- 64.02 in (162.6 cm)
- Package 1 Weight
- 2235.00 lb(US) (1013.779 kg)
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