[Collins] 30L-1 amp DAHL transformer question

frankshughes at aim.com frankshughes at aim.com
Sun Jun 5 11:46:06 EDT 2011



Hi,
I have a spare transformer for my Collins 30L-1. The transformer is a custom winding done by  
PETER W. DAHL, now being sold by HARBACH ELECTRONICS.


The Harbach guys don't know what it is wound for; "That was something Pete made years ago"


Any guesses as to what situation is the different than standard voltage/ current unit designed to solve?


73
Frank
KJ4OLL


COLLINS 30L-1 ADVERTISED UNIT (standard transformer, for comparison)
CORE) EI-175 X 3" 29GA M6X STYLE #) 02 E-I LAMINATED CORE 
PR) 115/230 VAC 50/60 HZ 1 PH 
S1) 650 VAC 0.7A CCS 
S2) 120 VAC @ 0.020A CCS 
S3) 6.3 VCT @ 16A CCS 
DM) HT = 4.375 WT = 5.250 DT = 5.205 MD = 4.125 MW = 4.375 WEIGHT) 19 LBS  




COLLINS 30L-1-1 MODIFIED SEC 1 VOLTS & SEC 2 CURRENT (this is the custom wound unit)
CORE) EI-175 X 3" 29GA M6X STYLE #) 02 E-I LAMINATED CORE 
PR) 115/230 VAC 50/60 HZ 1 PH 
S1) 550 VAC 0.7A CCS 
S2) 120 VAC @ 0.100A CCS 
S3) 6.3 VCT @ 16A CCS 
DM) HT = 4.375 WT = 5.250 DT = 5.205 MD = 4.125 MW = 4.375 WEIGHT) 19 LBS



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