Maddox 3-phase 480V delta to 208Y/120V step-down transformer, 15 kVA (MIT-DRY-100)

By MaddoxSold by Current ConnectedSKU MIT-DRY-100

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Key specs

Units
SKU
MIT-DRY-100
Official store listing
Sources

Maddox's store data lists SKU MIT-DRY-100 for the variant "15 kVA / New / Aluminum (standard)" of its "3-Phase 480V Delta - 208 Y 120" transformer. The product page prints "SKU: MIT-DRY-100" for the default size.

Official store listing: Maddox store Checked · Earlier documentOfficial product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Store product data, product.variants (title, sku); product page, SKU line

Documented

AC configuration
3-phase
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview

Documented

Weight
106.59 kg235 lb converted
Converted: 235 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Official product page
Sources

Converted: 235 lb x 0.45359237 kg/lb, rounded to 0.01 kg

Printed as 235 lbs in the row "15 22"x22"x21" 235" of a table Maddox labels "Approximate Enclosure Dimensions & Weights"; an approximate weight, printed in pounds only and converted.

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Dimensions & Weights, 15 kVA row, Weight (lbs)

Converted

Device type
Step-down transformer
Official store listing
Sources

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".

Official store listing: Maddox store Checked · Earlier documentOfficial product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

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

Documented

Dimensions
166.56 L
Calculated: Enclosure volume: W × H × D ÷ 1,000,000
W: 558.8 × H: 558.8 × D: 533.4 mmW: 22 × H: 22 × D: 21 inOfficial product page
Sources

Converted: 22 x 22 x 21 in x 25.4 mm/in, rounded to 0.1 mm

Printed as "15 22"x22"x21" 235" under "Dimensions & Weights kVA Dimensions (HxWxD) Weight (lbs)", in inches, in a table Maddox labels "Approximate Enclosure Dimensions & Weights"; approximate enclosure figures.

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Dimensions & Weights, 15 kVA row

Calculated

Rated power (VA)
15,000 VA
Converted: 15 kVA x 1000 VA/kVA = 15000 VA
Official store listing
Sources

Converted: 15 kVA x 1000 VA/kVA = 15000 VA

Printed as the size option "15 kVA" whose new, aluminum-winding variant carries SKU MIT-DRY-100.

Official store listing: Maddox store Checked · Earlier documentOfficial product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Store product data, variant "15 kVA / New / Aluminum (standard)" (SKU MIT-DRY-100); product page, Size Guide

Converted

AC frequency
60 Hz
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview, Transformer Specifications

Documented

Input voltage
480 V delta
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview, Primary Voltage

Documented

Output voltage
208Y/120 V
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview, Secondary Voltage

Documented

All specs9
AC configuration
3-phase
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview

Documented

Weight
106.59 kg235 lb converted
Converted: 235 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Official product page
Sources

Converted: 235 lb x 0.45359237 kg/lb, rounded to 0.01 kg

Printed as 235 lbs in the row "15 22"x22"x21" 235" of a table Maddox labels "Approximate Enclosure Dimensions & Weights"; an approximate weight, printed in pounds only and converted.

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Dimensions & Weights, 15 kVA row, Weight (lbs)

Converted

Device type
Step-down transformer
Official store listing
Sources

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".

Official store listing: Maddox store Checked · Earlier documentOfficial product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

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

Documented

Dimensions
533.4 D × 558.8 W × 558.8 H mm21 D × 22 W × 22 H in
Converted: 22 x 22 x 21 in x 25.4 mm/in, rounded to 0.1 mm
Official product page
Sources

Converted: 22 x 22 x 21 in x 25.4 mm/in, rounded to 0.1 mm

Printed as "15 22"x22"x21" 235" under "Dimensions & Weights kVA Dimensions (HxWxD) Weight (lbs)", in inches, in a table Maddox labels "Approximate Enclosure Dimensions & Weights"; approximate enclosure figures.

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Dimensions & Weights, 15 kVA row

Converted

Rated power (VA)
15,000 VA
Converted: 15 kVA x 1000 VA/kVA = 15000 VA
Official store listing
Sources

Converted: 15 kVA x 1000 VA/kVA = 15000 VA

Printed as the size option "15 kVA" whose new, aluminum-winding variant carries SKU MIT-DRY-100.

Official store listing: Maddox store Checked · Earlier documentOfficial product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Store product data, variant "15 kVA / New / Aluminum (standard)" (SKU MIT-DRY-100); product page, Size Guide

Converted

AC frequency
60 Hz
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview, Transformer Specifications

Documented

Input voltage
480 V delta
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview, Primary Voltage

Documented

Output voltage
208Y/120 V
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Overview, Secondary Voltage

Documented

Maximum output current
42 A
Official product page
Sources

The size guide prints "15 18 42" under the headings "Size Guide kVA Amps at 480v Amps at 208 Y 120": 42 A at 208 Y 120 (the secondary) and 18 A at 480 V (the primary) for 15 kVA. It is the rated current of the size; Maddox prints no separate maximum.

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Size Guide, 15 kVA row, Amps at 208 Y 120

Documented

Published claims and calculations, not independent test results.

Documents

1 on file
  • WEB
    Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture)OfficialMaddoxOfficial product page
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-10-30.

    Location: Overview; Transformer Specifications; Size Guide; Dimensions & Weights; Warranty

    Retrieved

    Maddox's own web store page for its 3-phase 480 V delta primary, 208Y/120 V secondary transformer (store.maddox.com, linked as the shop from maddox.com), captured on October 30, 2026 between 14:43 and 14:49 UTC with the paced research fetcher (HTTP 200). It prints the primary and secondary voltages, the frequency, temperature rise, taps and insulation class once for every size, a size guide of amps per kVA, an approximate enclosure dimensions and weights table per kVA, and the warranty; the page shows the SKU of the selected size only (MIT-DRY-100). Manufacturer claims, not independent tests.

    Open

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Warranty

Product warranty
5 years
Official product page
Sources

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

Official product page: Maddox store product page: 3-Phase 480V Delta - 208 Y 120 (October 30, 2026 capture) Checked · Earlier document

Location: Warranty

Documented

Sellers

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Price history

$2,432

Prices we read at Current Connected · 14 readings · no change in our readings since

Chart, listings & data

Since · Listing price (USD)

View listing at Current Connected Paid link.
$2,200$2,400$2,600Current Connected: $2,432 · Oct 30, 2026, 6:17 AM PDTCurrent Connected: $2,432 · Oct 31, 2026, 1:26 AM PDTCurrent Connected: $2,432 · Nov 1, 2026, 1:06 AM PDTCurrent Connected: $2,432 · Nov 2, 2026, 1:36 AM PSTCurrent Connected: $2,432 · Nov 3, 2026, 1:06 AM PSTCurrent Connected: $2,432 · Nov 4, 2026, 1:06 AM PSTCurrent Connected: $2,432 · Nov 5, 2026, 1:06 AM PSTCurrent Connected: $2,432 · Nov 6, 2026, 1:06 AM PSTCurrent Connected: $2,432 · Nov 7, 2026, 1:16 AM PSTCurrent Connected: $2,432 · Nov 8, 2026, 1:16 AM PSTCurrent Connected: $2,432 · Nov 9, 2026, 1:16 AM PSTCurrent Connected: $2,432 · Nov 10, 2026, 1:06 AM PSTCurrent Connected: $2,432 · Nov 11, 2026, 1:36 AM PSTCurrent Connected: $2,432 · Nov 12, 2026, 1:26 AM PSTOct 30, 2026Nov 12, 2026
Current Connected$2,432Nov 12, 2026, 1:26 AM PSTLatest check · hover or tap for earlier prices
Price data
Collected price observations by seller
Checked (UTC)SellerPrice
Oct 30, 2026, 6:17 AM PDTCurrent Connected Paid link.$2,432
Oct 31, 2026, 1:26 AM PDTCurrent Connected Paid link.$2,432
Nov 1, 2026, 1:06 AM PDTCurrent Connected Paid link.$2,432
Nov 2, 2026, 1:36 AM PSTCurrent Connected Paid link.$2,432
Nov 3, 2026, 1:06 AM PSTCurrent Connected Paid link.$2,432
Nov 4, 2026, 1:06 AM PSTCurrent Connected Paid link.$2,432
Nov 5, 2026, 1:06 AM PSTCurrent Connected Paid link.$2,432
Nov 6, 2026, 1:06 AM PSTCurrent Connected Paid link.$2,432
Nov 7, 2026, 1:16 AM PSTCurrent Connected Paid link.$2,432
Nov 8, 2026, 1:16 AM PSTCurrent Connected Paid link.$2,432
Nov 9, 2026, 1:16 AM PSTCurrent Connected Paid link.$2,432
Nov 10, 2026, 1:06 AM PSTCurrent Connected Paid link.$2,432
Nov 11, 2026, 1:36 AM PSTCurrent Connected Paid link.$2,432
Nov 12, 2026, 1:26 AM PSTCurrent Connected Paid link.$2,432

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Certificates

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Parts and accessories

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Model history

Model identity

Model
MIT-DRY-100

Manufacturer SKU MIT-DRY-100

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