Ft-14D Flexitest Switch - ABB ANSI Technical Manual

C O M M I S S I O N I N G A N D T E S T I N G G U I D E
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FT-14D Flexitest switch

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FT-14D digital test switches are used for efficient
70 Typical FT-14D
testing of protection and control relay during
connection diagram
regular maintenance. The FT-14D test switch is
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usually supplied as a flush mounting type on the
71 FT-14D front view
and rear view
low voltage compartment door. The testing of
protection and control relay's sensor inputs is
possible without opening the low voltage
compartment door.
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70
No CT shorting required
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71
FT-14D test switch
A digital test switch is used for efficient testing
of a protection and control relay with sensor
inputs. Each FT-14D switch takes 3 phase current
and voltage sensor inputs with a separate input
for ground CT connection. A typical connection
diagram is shown below.
Standard screw type
connections
Lamicoid labels included
on each handle
35
Connections to the Relion®
relay and sensors
Passive electronic
module