Hammond PWDP13121 Henry 2KD-5 Replacement Power Transformer, 2250 VAC
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224-955-1644Key Features
- Direct replacement for Henry 2KD-5 T1 power transformer, Henry P/N FDN-7497
- S1 high-voltage secondary: 0-1780-2250 VAC @ 400 mA CCS
- S2 secondary: 10.0 VCT @ 15 A CCS
- Primary: 115/230 VAC, 60 Hz, single phase
- EI-212 x 3 in. core, 29G M6X laminations, style 4
- Approx. weight 29 lb; REACH and RoHS compliant
The PWDP13121 is a power transformer from the Peter W. Dahl design files, listed as the T1 power transformer for the Henry 2KD-5 linear amplifier and described as a direct replacement for Henry P/N FDN-7497. It is aimed at amateur radio operators, restorers and service technicians who need a correct-spec replacement for a worn or failed original.
The single-phase primary is rated 115/230 VAC at 60 Hz. Two secondaries are provided: S1 is a tapped high-voltage winding at 0-1780-2250 VAC rated 400 mA CCS, and S2 is a 10.0 VCT winding rated 15 A CCS. The dual high-voltage taps (1780 and 2250 VAC) are part of the listed design.
Construction is on an EI-212 x 3 in. lamination stack of 29G M6X steel, built in mounting style 4 of the series style sheet. Approximate weight is 29 lb. The part is listed as REACH and RoHS compliant.
Note that the primary is listed for 60 Hz only; the series notes advise buyers outside North America to select a 50/60 Hz part if they need 50 Hz operation. PWDAHL Series transformers are usually built to order one at a time, so confirm availability by phone or e-mail before planning a restoration around the PWDP13121.
Ideal For
- Henry 2KD-5 linear amplifier restoration
- Replacement of Henry P/N FDN-7497 T1 power transformer
- Vintage amateur radio amplifier repair
Overview
| Series | PWDAHL Series (Peter W Dahl Transformers) |
| Replaces | Henry 2KD-5 T1, P/N FDN-7497 |
| Part Number | PWDP13121 |
| Series Tagline | Magnetics for Amateur Radio Products |
| Short Description | HENRY 2KD-5 POWER TRANS |
| Ordering Table Description | HENRY 2KD-5 POWER XFMR T1, P/N FDN-7497, DIRECT REPLACEMENT |
Dimensions
| Approx. Weight | 29 lbs |
Electrical
| Primary | 115/230 VAC 60 HZ 1PH |
| Secondary S1 | 0-1780-2250 VAC @ 400 MA CCS |
| Secondary S2 | 10.0 VCT @ 15A CCS |
Identifiers
| UPC | 623980999081 |
| UNSPSC | 39121301 |
Construction & Finish
| Core | EI-212 X 3" 29G M6X |
| Style (Per Series Style Sheet) | 4 |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What equipment does the PWDP13121 replace?▾
It is listed as the T1 power transformer for the Henry 2KD-5 and as a direct replacement for Henry P/N FDN-7497.
What are the secondary ratings?▾
S1 is 0-1780-2250 VAC at 400 mA CCS and S2 is 10.0 VCT at 15 A CCS.
Can it run on 50 Hz mains?▾
The primary is listed as 115/230 VAC 60 Hz single phase. The series notes advise choosing a part marked 50/60 Hz if you need 50 Hz operation.
How heavy is it?▾
The approximate weight is 29 lb.
Is this transformer kept in stock?▾
Transformers in the PWDAHL Series are usually built to order one at a time, and many of the designs are decades old, so the series notes recommend confirming availability by phone or e-mail before ordering.
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