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Cable Spec 26 - Eaton Leonard Current Loop Cable

Written by Michael Cone

Updated at January 27th, 2026

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This is the wiring schematic for the Eaton-Leonard-style current loop cable.
Connector Hardware: 97 series connectors - 10-pin Amphenol Circular Male on both ends

Parts List
Connector
 

  • Amphenol Part Number 97-3106A-18-1P-ND
  • DDK Part Number: D/MS 3106A-18-1P
  • DDK Part Number: D/MS 3106B-18-1P (Is split backshell version)

Cable Clamp and Bushing
 

  • Amphenol Part Number: 97-3057-1010-1-ND
  • DDK Part Number: D/MS 3057-10A

Reducing Bushing
 

  • DDK Part Number: AN3420-8
  • Provides support for cable clamp on circular connector

Cable
 

  • 24 Gauge Twisted Pair, Shielded
  • Belden 9504 (pin-out is shown above)
  • Length – 10, 25, 50, or 100 feet typical (Make all cables 10 feet long unless specified differently.)
Currentloop 26 view1.png

 




 

Cable Pinout

End A
 
 		 End B
 
Red
 		 A
 
Red/Black
 		 B
 
White
 		 C
 
White/Black
 		 D
 
Green
 		 E
 
Green/Black
 		 F
 
Blue
 		 G
 
Blue/Black
 		 H
 
Shield
 		 J
 

 
A
 		 Red
 
B
 		 Red/Black
 
C
 		 White
 
D
 		 White/Black
 
E
 		 Green
 
F
 		 Green/Black
 
G
 		 Blue
 
H
 		 Blue/Black
 
J
 		 Shield
 
cable current

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