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Square D

EX300T3HCU - Transformer, dry type, DOE 2016, 300kVA, 3 phase, 480V delta primary, 208Y/120V secondary, 25J, 150C rise, Cu

Category Dry Type Transformers 600V Or Less
Picture of EX300T3HCU - Transformer, dry type, DOE 2016, 300kVA, 3 phase, 480V delta primary, 208Y/120V secondary, 25J, 150C rise, Cu
Square D

EX300T3HCU - Transformer, dry type, DOE 2016, 300kVA, 3 phase, 480V delta primary, 208Y/120V secondary, 25J, 150C rise, Cu

Item Code: 1012438
Category Dry Type Transformers 600V Or Less
Manufacturer SCHNEIDER ELECTRIC
Manufacturer Ref EX300T3HCU

Owners User Manual
RoHS
Specification Sheet
Technical Bulletin
Call for Availability
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Description

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

Weight

2230.31

Height

64

Width

39.62

Length

47.54

Brand

Square D

Category

DRY TYPE TRANSFORMERS 600V OR LESS

Connection Type

4/6/8 Hole NEMA Pad

Dimensions

57.52 in H x 40.08 in W x 32.76 in D

Efficiency

99.07 %

Frequency Rating

60 Hz

Insulation

220 DEG C

Maximum Amperage Rating

14 kA

Mounting Type

Floor

Number Of Taps

4-Feb

Phase

3

Power Rating

300 kVA

Primary Voltage

480 Delta V AC

Secondary Voltage

208Y/120 V AC

Temperature Rating

150 Deg C

Type

Energy Efficient Dry-Type

Square D

EX300T3HCU - Transformer, dry type, DOE 2016, 300kVA, 3 phase, 480V delta primary, 208Y/120V secondary, 25J, 150C rise, Cu

Category Dry Type Transformers 600V Or Less
Picture of EX300T3HCU - Transformer, dry type, DOE 2016, 300kVA, 3 phase, 480V delta primary, 208Y/120V secondary, 25J, 150C rise, Cu
Square D

EX300T3HCU - Transformer, dry type, DOE 2016, 300kVA, 3 phase, 480V delta primary, 208Y/120V secondary, 25J, 150C rise, Cu

Item Code: 1012438
Category Dry Type Transformers 600V Or Less
Manufacturer SCHNEIDER ELECTRIC
Manufacturer Ref EX300T3HCU

Owners User Manual
RoHS
Specification Sheet
Technical Bulletin
Call for Availability
Add to Favorites
Compare

Description

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

Weight

2230.31

Height

64

Width

39.62

Length

47.54

Brand

Square D

Category

DRY TYPE TRANSFORMERS 600V OR LESS

Connection Type

4/6/8 Hole NEMA Pad

Dimensions

57.52 in H x 40.08 in W x 32.76 in D

Efficiency

99.07 %

Frequency Rating

60 Hz

Insulation

220 DEG C

Maximum Amperage Rating

14 kA

Mounting Type

Floor

Number Of Taps

4-Feb

Phase

3

Power Rating

300 kVA

Primary Voltage

480 Delta V AC

Secondary Voltage

208Y/120 V AC

Temperature Rating

150 Deg C

Type

Energy Efficient Dry-Type

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