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Maddox 3-phase 480V delta to 208Y/120V step-down transformer, 45 kVA (MIT-DRY-102)

Model: MIT-DRY-102 · SKU: MIT-DRY-102

Prepared Nov 12, 2026

Common specifications

Device type
Step-down transformerSource [1, 2]
Input voltage
480 V deltaSource [1]
Output voltage
208Y/120 VSource [1]
PowerNot documented
Maximum output current
125 ASource [1]
IsolationNot documented
Rated power (VA)
45,000 VACalculatedSource [1, 2]
AC configuration
3-phaseSource [1]
AC frequency
60 HzSource [1]
Battery voltageNot documented
Balance currentNot documented
ConnectionNot documented
EfficiencyNot documented
CommunicationsNot documented
EnclosureNot documented
Safety listingNot documented
MountingNot documented
Operating temperatureNot documented
Weight
213.19 kg470 lb convertedCalculatedSource [1]
Dimensions
609.6 D × 660.4 W × 736.6 H mm24 D × 26 W × 29 H inCalculatedSource [1]
Enclosure volume296.54 L** Calculated from recorded external dimensions
Warranty term
5 yearsSource [1]

All recorded specifications

AC configuration
3-phaseDocumented claim
Conditions

Printed as "convert 3-phase 480v to 3-phase 208v/120" and in the product name "3-Phase 480V Delta - 208 Y 120".

Location: Overview

Printed as "convert 3-phase 480v to 3-phase 208v/120" and in the product name "3-Phase 480V Delta - 208 Y 120".

Location: Overview

[1]
AC frequency
60 HzDocumented claim
Conditions

Printed once for every size as "60 Hz Frequency".

Location: Overview, Transformer Specifications

Printed once for every size as "60 Hz Frequency".

Location: Overview, Transformer Specifications

[1]
Device type
Step-down transformerDocumented claim
Conditions

Maddox's store data tags the product's type as "Step down"; the page's overview says "This transformer is designed to convert 3-phase 480v to 3-phase 208v/120".

Location: Store product data, tags; product page, Overview

Maddox's store data tags the product's type as "Step down"; the page's overview says "This transformer is designed to convert 3-phase 480v to 3-phase 208v/120".

Location: Store product data, tags; product page, Overview

[1, 2]
Dimensions
609.6 D × 660.4 W × 736.6 H mm24 D × 26 W × 29 H inCalculated29 x 26 x 24 in x 25.4 mm/in, rounded to 0.1 mm
Conditions

Printed as "45 29"x26"x24" 470" under "Dimensions & Weights kVA Dimensions (HxWxD) Weight (lbs)", in inches, in a table Maddox labels "Approximate Enclosure Dimensions & Weights"; approximate enclosure figures.

Location: Dimensions & Weights, 45 kVA row

Printed as "45 29"x26"x24" 470" under "Dimensions & Weights kVA Dimensions (HxWxD) Weight (lbs)", in inches, in a table Maddox labels "Approximate Enclosure Dimensions & Weights"; approximate enclosure figures.

Location: Dimensions & Weights, 45 kVA row

[1]
Input voltage
480 V deltaDocumented claim
Conditions

Printed once for every size as "Primary Voltage: 480 Delta".

Location: Overview, Primary Voltage

Printed once for every size as "Primary Voltage: 480 Delta".

Location: Overview, Primary Voltage

[1]
Maximum output current
125 ADocumented claim
Conditions

The size guide prints "45 54 125" under the headings "Size Guide kVA Amps at 480v Amps at 208 Y 120": 125 A at 208 Y 120 (the secondary) and 54 A at 480 V (the primary) for 45 kVA. It is the rated current of the size; Maddox prints no separate maximum.

Location: Size Guide, 45 kVA row, Amps at 208 Y 120

The size guide prints "45 54 125" under the headings "Size Guide kVA Amps at 480v Amps at 208 Y 120": 125 A at 208 Y 120 (the secondary) and 54 A at 480 V (the primary) for 45 kVA. It is the rated current of the size; Maddox prints no separate maximum.

Location: Size Guide, 45 kVA row, Amps at 208 Y 120

[1]
Output voltage
208Y/120 VDocumented claim
Conditions

Printed once for every size as "Secondary Voltage: 208 Y 120".

Location: Overview, Secondary Voltage

Printed once for every size as "Secondary Voltage: 208 Y 120".

Location: Overview, Secondary Voltage

[1]
Rated power (VA)
45,000 VACalculated45 kVA x 1000 VA/kVA = 45000 VA
Conditions

Printed as the size option "45 kVA" whose new, aluminum-winding variant carries SKU MIT-DRY-102.

Location: Store product data, variant "45 kVA / New / Aluminum (standard)" (SKU MIT-DRY-102); product page, Size Guide

Printed as the size option "45 kVA" whose new, aluminum-winding variant carries SKU MIT-DRY-102.

Location: Store product data, variant "45 kVA / New / Aluminum (standard)" (SKU MIT-DRY-102); product page, Size Guide

[1, 2]
Weight
213.19 kg470 lb convertedCalculated470 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Conditions

Printed as 470 lbs in the row "45 29"x26"x24" 470" of a table Maddox labels "Approximate Enclosure Dimensions & Weights"; an approximate weight, printed in pounds only and converted.

Location: Dimensions & Weights, 45 kVA row, Weight (lbs)

Printed as 470 lbs in the row "45 29"x26"x24" 470" of a table Maddox labels "Approximate Enclosure Dimensions & Weights"; an approximate weight, printed in pounds only and converted.

Location: Dimensions & Weights, 45 kVA row, Weight (lbs)

[1]

Warranty

Warranty term
5 yearsDocumented claim
Conditions

Printed as "All new and used Maddox transformers are tested and come with a full 5 year warranty against defects."

Location: Warranty

Printed as "All new and used Maddox transformers are tested and come with a full 5 year warranty against defects."

Location: Warranty

[1]

Certificate records

No records documented.

Sources and revisions

  1. Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture)Official product page · Checked https://store.maddox.com/products/3-phase-480v-delta-208-y-120
  2. Maddox store product data: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture)Official product feed · Checked https://store.maddox.com/products/3-phase-480v-delta-208-y-120.json