Step-up / step-down transformer

STO-2000

Step-up / step-down transformer. Explore the supplied catalogue record and request the current configuration, documentation and quotation for this model.

STO series / catalogue model

STO-2000

STO toroidal step-up & step-down transformers

Rated power 2000W
External package size 38.5 × 29.0 × 22.5 cm
Net weight 16.5 kg
Gross weight 18.0 kg

Series reference render: STO-500. The appearance of this model may differ.

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Reconstructed exterior

Every side,
square on.

STO-500, illustrative three-quarter view — Illustrative render

STO-500, illustrative front view — Front view

STO-500, illustrative rear view — Rear view

Illustrative renders reconstructed from catalogue photographs; dimensions are estimated. Appearance and configuration may vary by version.

Interactive exterior

STO-500,
in the round.

Illustrative exterior model reconstructed from catalogue photographs. Appearance and configuration may vary by version.

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Illustrative exterior model. Appearance and configuration may vary by version; check against the current product specification.

Historical catalogue record

What the catalogue says.
What to confirm.

Model: STO-2000
Series: STO
Product category: Step-up / step-down transformer
Rated power: 2000W
External package size: 38.5 × 29.0 × 22.5 cm
Net weight: 16.5 kg
Gross weight: 18.0 kg
Pieces per carton: 4
Source: Catalogue PDF pages 39–40
Source: DIYTrade listing (2025)
Current specifications & availability: Confirm by enquiry

Features as printed in the catalogue

Input voltage: AC 110V or 220V
Output voltage: AC 220V or 110V
With fuse protector or with over-current protector
Toroidal (annular) iron core

Catalogue values are historical reference information, not confirmed current specifications. Confirm the exact model, ratings, input range and certification status before ordering.

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