DC switching power supply
DF1790-1320
DC switching power supply. Explore the supplied catalogue record and request the current configuration, documentation and quotation for this model.
Reconstructed exterior
Every side,
square on.
Illustrative renders reconstructed from catalogue photographs; dimensions are estimated. Appearance and configuration may vary by version.
Interactive exterior
DF1790-1303,
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
- DF1790-1320
- Series
- DF1790
- Product category
- DC switching power supply
- Output current
- 20A
- Surge current
- 22A
- Load regulation
- 1.0%
- Ripple voltage
- 200mV
- External package size
- 57.35 × 53.5 × 24.0 cm
- Net / gross weight
- 20 / 22 kg
- Pieces per carton
- 8
- Source
- Company website archive (2014)
- Source
- DIYTrade listing (2025)
- Current specifications & availability
- Confirm by enquiry
Features as printed in the catalogue
- Input voltage: AC 110V ±15% or 220V ±15%
- Output voltage: 13.8V ±3%
- 0.5% power adjustment rate
- Overload and short-circuit protective circuit
- High-frequency switching: small dimensions, high efficiency, low ripple
Catalogue values are historical reference information, not confirmed current specifications. Confirm the exact model, ratings, input range and certification status before ordering.
