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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
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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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