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Victron Energy Autotransformer 120/240V-100A (ITR000100102)

Model: Autotransformer 120/240V-100A · SKU: ITR000100102

Prepared Nov 14, 2026

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Common specifications

Device type	AutotransformerSource [1]
Input voltage	120 / 240 VSource [1]
Output voltage	120 / 240 VSource [1]
Power	Not documented
Maximum output current	100 ASource [1, 2]
Isolation	Not isolatedSource [1]
Rated power (VA)	Not documented
AC configuration	Not documented
AC frequency	50/60Source [1]
Battery voltage	Not documented
Balance current	Not documented
Connection	Screw terminals 35 mm² / AWG 2Source [1]
Efficiency	Not documented
Communications	Not documented
Enclosure	IP21Source [1]
Safety listing	Not documented
Mounting	Not documented
Operating temperature	Not documented
Weight	13.5 kg29.8 lb convertedNeeds confirmationSource See note below[1, 2]
Dimensions	110 D × 214 W × 460 H mm4.33 D × 8.43 W × 18.1 H in convertedNeeds confirmationSource See note below[1]
Enclosure volume	10.83 L** Calculated from recorded external dimensions
Warranty term	5 yearsSource [1]

All recorded specifications

AC frequency	50/60Documented claim Conditions Printed once for both models as "Frequency 50/60Hz". Location: 4. Specifications, Frequency Printed once for both models as "Frequency 50/60Hz". Location: 4. Specifications, Frequency Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Connection	Screw terminals 35 mm² / AWG 2Documented claim Conditions Printed once for both models as "Electrical Terminals Screw Terminals 35 mm² / AWG 2". Location: 4. Specifications, Electrical Terminals Printed once for both models as "Electrical Terminals Screw Terminals 35 mm² / AWG 2". Location: 4. Specifications, Electrical Terminals Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Device type	AutotransformerDocumented claim Conditions Printed as "Autotransformer 120/240V-100A" beside ITR000100102 in the manual's enclosure drawing; the 2026-Q3 price list names it "Autotransformer 120/240VAC-100A". Location: 5. Enclosure Dimensions, drawing title block Printed as "Autotransformer 120/240V-100A" beside ITR000100102 in the manual's enclosure drawing; the 2026-Q3 price list names it "Autotransformer 120/240VAC-100A". Location: 5. Enclosure Dimensions, drawing title block Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Dimensions	110 D × 214 W × 460 H mm4.33 D × 8.43 W × 18.1 H in convertedNeeds confirmationThe January 2026 manual prints 460 x 214 x 110 mm for both models; Victron's 2026-Q3 price list prints 425 x 214 x 110 for ITR000100102 and the API record prints a 425 mm height. The manual value is shown. Conditions Printed once for both models as "Dimensions (h x w x d) 460 x 214 x 110 mm"; the manual's enclosure drawing (section 5) labels an overall height of 463 and a width of 214.5. Victron's 2026-Q3 price list prints 425 x 214 x 110 for ITR000100102; that value is kept as an alternative. Location: 4. Specifications, Dimensions (h x w x d) Printed once for both models as "Dimensions (h x w x d) 460 x 214 x 110 mm"; the manual's enclosure drawing (section 5) labels an overall height of 463 and a width of 214.5. Victron's 2026-Q3 price list prints 425 x 214 x 110 for ITR000100102; that value is kept as an alternative. Location: 4. Specifications, Dimensions (h x w x d) Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Enclosure	IP21Documented claim Conditions Printed once for both models; the enclosure is printed as aluminum, and section 1 says the product is designed for indoor or compartment installation. Location: 4. Specifications, Protection Category Printed once for both models; the enclosure is printed as aluminum, and section 1 says the product is designed for indoor or compartment installation. Location: 4. Specifications, Protection Category Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Input voltage	120 / 240 VDocumented claim Conditions Printed once for input and output together, for both models, as "Input/output Voltage 120 / 240 V"; the autotransformer steps 120 V up to 240 V or 240 V down to 120 V, or balances a split-phase output (manual 2.3), so the input depends on the wiring. The API record for ITR000100102 prints 120 VAC as the input voltage. Location: 4. Specifications, Input/output Voltage Printed once for input and output together, for both models, as "Input/output Voltage 120 / 240 V"; the autotransformer steps 120 V up to 240 V or 240 V down to 120 V, or balances a split-phase output (manual 2.3), so the input depends on the wiring. The API record for ITR000100102 prints 120 VAC as the input voltage. Location: 4. Specifications, Input/output Voltage Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Isolation	Not isolatedDocumented claim Conditions Printed as "The AT does not provide isolation." Location: 2.1 Description Printed as "The AT does not provide isolation." Location: 2.1 Description Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Maximum output current	100 ADocumented claim Conditions Printed as the maximum 240 V feed-through current (100A) in the 100 A column; the input circuit breaker is printed as "100A, Two Pole". Section 2.7 defines this as the current passed through without being converted: "The transformer itself is equal in both models and has a 55A capacity (30 minutes) and 45A continuous." That 55 A / 45 A limit applies to the current moved from leg to leg or from 120 V to 240 V. The API record prints maxACFeedCurrent240VAC 100 A. Location: 4. Specifications, Maximum 240 V Feed Through Current, 100 A column Printed as the maximum 240 V feed-through current (100A) in the 100 A column; the input circuit breaker is printed as "100A, Two Pole". Section 2.7 defines this as the current passed through without being converted: "The transformer itself is equal in both models and has a 55A capacity (30 minutes) and 45A continuous." That 55 A / 45 A limit applies to the current moved from leg to leg or from 120 V to 240 V. The API record prints maxACFeedCurrent240VAC 100 A. Location: 4. Specifications, Maximum 240 V Feed Through Current, 100 A column Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture)Official product page · Victron Energy public API record for SKU ITR000100102 (Autotransformer) (October 30, 2026 capture) [1, 2]
Output voltage	120 / 240 VDocumented claim Conditions Printed once for input and output together, for both models, as "Input/output Voltage 120 / 240 V"; the output depends on the wiring (manual 2.3). The API record for ITR000100102 prints 240 VAC as the output voltage. Location: 4. Specifications, Input/output Voltage Printed once for input and output together, for both models, as "Input/output Voltage 120 / 240 V"; the output depends on the wiring (manual 2.3). The API record for ITR000100102 prints 240 VAC as the output voltage. Location: 4. Specifications, Input/output Voltage Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]
Weight	13.5 kg29.8 lb convertedNeeds confirmationThe January 2026 manual prints 13.5 kg for the 100 A model; Victron's 2026-Q3 price list prints 12 kg for ITR000100102. The manual value is shown. Conditions The manual prints "Weight 12,5 kg 13,5 kg" for the 50 A and 100 A columns; 13.5 kg is this model. The API record for ITR000100102 prints 13.5 kg. Victron's 2026-Q3 price list prints 12 in its kg column for ITR000100102; that value is kept as an alternative. Location: 4. Specifications, Weight, 100 A column The manual prints "Weight 12,5 kg 13,5 kg" for the 50 A and 100 A columns; 13.5 kg is this model. The API record for ITR000100102 prints 13.5 kg. Victron's 2026-Q3 price list prints 12 in its kg column for ITR000100102; that value is kept as an alternative. Location: 4. Specifications, Weight, 100 A column Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture)Official product page · Victron Energy public API record for SKU ITR000100102 (Autotransformer) (October 30, 2026 capture) [1, 2]

Warranty

Warranty term	5 yearsDocumented claim Conditions Printed as "This product has a 5-year limited warranty.", covering defects in materials and workmanship for five years from the date of original purchase, claimed through the point of purchase with the receipt. Location: 6. Warranty Printed as "This product has a 5-year limited warranty.", covering defects in materials and workmanship for five years from the date of original purchase, claimed through the point of purchase with the receipt. Location: 6. Warranty Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture) [1]

Warranty term

5 yearsDocumented claim

Conditions

Printed as "This product has a 5-year limited warranty.", covering defects in materials and workmanship for five years from the date of original purchase, claimed through the point of purchase with the receipt.

Location: 6. Warranty

Official installation manual · Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture)

[1]

Certificate records

No records documented.

Sources and revisions

Victron Energy manual: Autotransformer 50 A and 100 A, Rev 00 - 01/2026 (October 30, 2026 capture)Official installation manual · Revision Rev 00 - 01/2026 · Checked Oct 30, 2026https://www.victronenergy.com/upload/documents/Autotransformer_50A_and_100A/37571-Autotransformer-pdf-en.pdf
Victron Energy public API record for SKU ITR000100102 (Autotransformer) (October 30, 2026 capture)Official product page · Revision Victron record modified 2025-09-15 13:46:23 · Checked Oct 30, 2026https://www.victronenergy.com/api/v1/product/sku/ITR000100102?format=json
Victron Energy price list 2026-Q3 (EUR C, web edition)Official document · Revision 2026-Q3 · Checked Sep 22, 2026https://www.victronenergy.com/media/pricelist/Pricelist_Victron_EUR_C_2026-Q3_Web.pdf