Secondary Connectors

FAA AC 5345-26, L-823, Class B

Efla’s Secondary Connectors are packed and delivered in kits including all the necessary parts for making the assembly on secondary cables or wires. Each Secondary Connector kit contains parts for a plug or a receptacle, resulting in a watertight post-installation connection.

 

Nominal rating: 20 A and 600 V.

 

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For two core cable, Styles 5 and 12

KD 501 –series (Plug)

KD 502 –series (Receptacle)

 

KD 501 and KD 502 for two-core cables: 

Type Conductor size AWG Cable diameter in inches Efla Type
Plug 1.5 – 2.5 mm² 16-14 8.5 – 13.5 mm 0,334 – 0,531 KD 501
Plug 4.0 – 6.0 mm² 12-10 / 8 11.5 – 18.0 mm 0,157 – 0,708 KD 501.1
Plug 4.0 – 6.0 mm² 12-10 / 8 8.5 – 13.5 mm 0,334 – 0,531 KD 501.2
Receptacle 1.5 – 2.5 mm² 16-14 8.5 – 13.5 mm 0,334 – 0,531 KD 502
Receptacle 4.0 – 6.0 mm² 12-10 / 8 11.5 – 18.0 mm 0,157 – 0,708 KD 502.1
Receptacle 4.0 – 6.0 mm² 12-10 / 8 8.5 – 13.5 mm 0,334 – 0,531 KD 502.2

 

Check out our installation instruction for the KD501 and KD503 Secondary Connectors


 

 

Special Secondary Connectors to be used on Approach Lines

 

ICAO AMD6 dictates that secondary connectors, installed on frangible approach line masts, shall have means to guarantee that by-force disconnection, in the event of an airliner crash on the approach line, is not taking place in open air and thus igniting surrounding kerosene. The KD501.X.AMD6 and KD 502.X.AMD6 have been designed for this purpose and have a 27 mm long sleeve covering the connection. The AMD6 types can only be used as a pair.

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For two single wires, Styles 4 and 11

 

KD 503 –series (Plug)

KD 503 –series (Plug)

KD 503R –series (Receptacle)

KD 503R –series (Receptacle)

 

Type Conductor size AWG Wire diameter in inches Efla Type
Plug 1.5 – 2.5 mm² 16-14 2.8 – 4.0 mm (x 2) 0,110 – 0,157 KD 503
Plug 4.0 – 6.0 mm² 12-10 / 8 3.8 – 5.5 mm (x 2) 0,149 – 0,216 KD 503.1
Plug 4.0 – 6.0 mm² 12-10 / 8 2.8 – 3.4 mm (x 2) 0,110 – 0,133 KD 503.2
Plug 4.0 – 6.0 mm² 12-10 / 8 5.0 – 8.0 mm (x 2) 0,196 – 0,314 KD 503.3
Receptacle 1.5 – 2.5 mm² 16-14 2.8 – 4.0 mm (x 2) 0,110 – 0,157 KD 503R
Receptacle 4.0 – 6.0 mm² 12-10 / 8 3.8 – 5.5 mm (x 2) 0,149 – 0,216 KD 503R.1
Receptacle 4.0 – 6.0 mm² 12-10 / 8 2.8 – 3.4 mm (x 2) 0,110 – 0,133 KD 503R.2
Receptacle 4.0 – 6.0 mm² 12-10 / 8 5.0 – 8.0 mm (x 2) 0,196 – 0,314 KD 503R.3

 

Check out our installation instruction for the KD501 and KD503 Secondary Connectors


 

 

3-Pole Secondary Connector

 

KD3P

KD3P

 

 

KD3R

KD3R

Caution: Secondary connectors are interconnectable with KD3R. Please take necessary measures to avoid dangerous interchangeability with 3-pole connectors of other manufactures.

 

Type Conductor size AWG Cable diameter in inches Efla Type
Plug 1.5 – 2.5 mm² 16-14 8.5 – 13.5 mm 0,334 – 0,531 KD 3P
Plug 4.0 – 6.0 mm² 12-10 / 8 11.5 – 18.0 mm 0,157 – 0,708 KD 3P.1
Plug 4.0 – 6.0 mm² 12-10 / 8 8.5 – 13.5 mm 0,334 – 0,531 KD 3P.2
Receptacle 1.5 – 2.5 mm² 16-14 8.5 – 13.5 mm 0,334 – 0,531 KD 3R.
Receptacle 4.0 – 6.0 mm² 12-10 / 8 11.5 – 18.0 mm 0,157 – 0,708 KD 3R.1
Receptacle 4.0 – 6.0 mm² 12-10 / 8 8.5 – 13.5 mm 0,334 – 0,531 KD 3R.2

 

MORE TECHNICAL DATA OF SECONDARY CONNECTORS

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