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Step-up / step-down transformer

ST-B step-up & step-down transformers with USB

Step-up / step-down AC converters with an additional 5V DC USB output, designed for equipment whose rated voltage differs from the local mains voltage.

ST-B step-up & step-down transformers with USB, illustrative render

ST-B series

ST-B

12 catalogue models

Representative model: ST-100B

  • Input voltage: AC 110V or 200V or 220V or 240V
  • Output voltage: AC 110V and 220V
  • With fuse protector or with over-current protector
  • With USB function, output 5V DC
12Catalogue models
100W – 10,000WCatalogue power range
27–28Catalogue pages
1989Goldsource founded
2Exterior 3D models

Reconstructed exterior

Every side,
square on.

ST-100B, illustrative three-quarter view
Illustrative render
ST-100B, illustrative front view
Front view
ST-100B, illustrative rear view
Rear view

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

Interactive exterior

ST-100B,
in the round.

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

ST-100B illustrative exterior render

Drag to rotate · Scroll to zoom

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.

Product category
Step-up / step-down transformer
Series
ST-B
Catalogue models
12
Source
Catalogue PDF pages 27–28
Current specifications & availability
Confirm by enquiry

Features as printed in the catalogue

  • Input voltage: AC 110V or 200V or 220V or 240V
  • Output voltage: AC 110V and 220V
  • With fuse protector or with over-current protector
  • With USB function, output 5V DC

Catalogue values are historical reference information, not confirmed current specifications.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

Request current documentation

Read the catalogue pages

ST-B catalogue models.

ModelRated powerExternal package sizeNet weightGross weightPieces per carton
ST-100B100W39.5 × 31.5 × 22.5 cm17.0 kg19.0 kg12
ST-200B200W39.5 × 31.5 × 22.5 cm22.0 kg24.0 kg12
ST-300B300W35.5 × 31.5 × 24.5 cm22.0 kg23.5 kg8
ST-500B500W46.0 × 19.0 × 24.5 cm20.0 kg21.5 kg6
ST-750B750W31.5 × 22.0 × 24.5 cm18.5 kg19.5 kg4
ST-1000B1000W30.0 × 25.5 × 21.5 cm6.0 kg6.5 kg1
ST-1500B1500W30.0 × 25.5 × 21.5 cm8.0 kg8.5 kg1
ST-2000B2000W34.0 × 25.5 × 21.5 cm10.0 kg10.5 kg1
ST-3000B3000W34.0 × 25.5 × 21.5 cm12.0 kg12.5 kg1
ST-4000B4000W40.0 × 28.5 × 24.0 cm16.5 kg17.0 kg1
ST-5000B5000W40.0 × 28.5 × 24.0 cm18.0 kg18.5 kg1
ST-10000B10000W41.5 × 32.5 × 34.5 cm33.0 kg34.0 kg1

Sizes are external package sizes in cm; weights in kg; quantities are pieces per carton.

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